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October Birthstone Beads: Opal & Tourmaline

October has two birthstones: opal and tourmaline. Our opals run from Peruvian pink opal (a natural common opal) to Australian opal with true play-of-color — Australian material is universally untreated. Opal is soft (Mohs 5.5–6.5), so favor necklaces and earrings over daily-wear bracelets.

Tourmaline (Mohs 7–7.5) covers pink, green, blue, and watermelon zoning; heat treatment is common for the brighter colors. Shop opal beads and tourmaline beads.

Products: 148

Multi Tourmaline 4mm Faceted Coin Beads - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
$24.00
$24.00 - $24.00
Current price $24.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $24.00 - Original price $24.00
Original price $24.00
$24.00
$24.00 - $24.00
Current price $24.00

Multi Tourmaline 2mm Faceted Coin - 15-16 Inch

Original price $15.00 - Original price $15.00
Original price $15.00
$15.00
$15.00 - $15.00
Current price $15.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $15.00 - Original price $15.00
Original price $15.00
$15.00
$15.00 - $15.00
Current price $15.00

Multi Tourmaline 8mm Coin Faceted - 15-16 Inch

Original price $37.00 - Original price $37.00
Original price $37.00
$37.00
$37.00 - $37.00
Current price $37.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $37.00 - Original price $37.00
Original price $37.00
$37.00
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Current price $37.00

Multi Tourmaline 6mm Double Heart Faceted - 15-16 Inch

Original price $27.00 - Original price $27.00
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$27.00
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Current price $27.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $27.00 - Original price $27.00
Original price
$27.00
$27.00 - $27.00
Current price $27.00

Blue Tourmaline 4mm Round Faceted - 15-16 Inch

Original price $33.00 - Original price $33.00
Original price $33.00
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Current price $33.00

Blue Tourmaline ranges in color from green to blue to yellow to green with black, milky white and clear, colorless inclusions. It is an aluminum bo...

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Original price $33.00 - Original price $33.00
Original price $33.00
$33.00
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Current price $33.00

Plum Tourmaline 8mm Round - 15-16 Inch

Original price $28.00 - Original price $28.00
Original price $28.00
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Current price $28.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $28.00 - Original price $28.00
Original price $28.00
$28.00
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Current price $28.00

Pink Purple Tourmaline 3x4mm Rondell Faceted - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00

Pink Tourmaline ranges in color from light pink to deep magenta, with inclusions of white to colorless translucent or transparent. Tourmaline occur...

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Original price $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00

Black Tourmaline 7x8mm Faceted Swirl Oval - 15-16 Inch

Original price $27.00 - Original price $27.00
Original price $27.00
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Current price $27.00

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

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Original price $27.00 - Original price $27.00
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Current price $27.00

Pink Tourmaline with Leopidolite 10mm Round A Grade - 15-16 Inch

Original price $31.00 - Original price $31.00
Original price $31.00
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Current price $31.00

Pink Tourmaline ranges in color from light pink to deep magenta, with inclusions of white to colorless translucent or transparent. Tourmaline occur...

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Original price $31.00 - Original price $31.00
Original price $31.00
$31.00
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Current price $31.00

Pink Tourmaline 6x12-10x20mm Free Form Dancing Drops A Grade - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00

Pink Tourmaline ranges in color from light pink to deep magenta, with inclusions of white to colorless translucent or transparent. Tourmaline occur...

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Original price $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00

Black Tourmaline 9x13-12x16mm Top Drill Irregular Flat Drop - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

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Original price $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00

Multi Tourmaline 3mm Banded Faceted Round - 15 Inch

Original price $14.00 - Original price $14.00
Original price $14.00
$14.00
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Current price $14.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $14.00 - Original price $14.00
Original price $14.00
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Current price $14.00

Petro Tourmaline 3mm Banded Faceted Round - 15 Inch

Original price $14.00 - Original price $14.00
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Current price $14.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $14.00 - Original price $14.00
Original price $14.00
$14.00
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Current price $14.00

Multi Tourmaline 3mm Faceted Round - 15 Inch

Original price $14.00 - Original price $14.00
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Current price $14.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $14.00 - Original price $14.00
Original price $14.00
$14.00
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Current price $14.00

Blue Tourmaline 3mm Banded Faceted Round - 15 Inch

Original price $16.00 - Original price $16.00
Original price $16.00
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Current price $16.00

Blue Tourmaline ranges in color from green to blue to yellow to green with black, milky white and clear, colorless inclusions. It is an aluminum bo...

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Original price $16.00 - Original price $16.00
Original price $16.00
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Current price $16.00

Black Tourmaline 5-10x5-12mm Graduated Nugget Bead - 15-16 Inch

Original price $32.00 - Original price $32.00
Original price $32.00
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Current price $32.00

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

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Original price $32.00 - Original price $32.00
Original price $32.00
$32.00
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Current price $32.00

Multi Tourmaline 10mm Round - 15-16 Inch

Original price $44.00 - Original price $44.00
Original price $44.00
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Current price $44.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $44.00 - Original price $44.00
Original price $44.00
$44.00
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Current price $44.00
Large Hole

Multi Tourmaline 10mm Round Large Hole Beads - 8-inch

Original price $27.00 - Original price $27.00
Original price $27.00
$27.00
$27.00 - $27.00
Current price $27.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $27.00 - Original price $27.00
Original price $27.00
$27.00
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Current price $27.00

Multi Tourmaline 2mm Faceted Cube - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
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Current price $20.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $20.00 - Original price $20.00
Original price $20.00
$20.00
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Current price $20.00

Multi Tourmaline 4mm Round - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
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Current price $20.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $20.00 - Original price $20.00
Original price $20.00
$20.00
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Current price $20.00

Multi Tourmaline 4mm Faceted Round AAA Grade Beads - 15-16 Inch

Original price $72.00 - Original price $72.00
Original price $72.00
$72.00
$72.00 - $72.00
Current price $72.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $72.00 - Original price $72.00
Original price $72.00
$72.00
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Current price $72.00

Multi Tourmaline 6x10mm Rondelle - 15-16 Inch

Original price $84.00 - Original price $84.00
Original price $84.00
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$84.00 - $84.00
Current price $84.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $84.00 - Original price $84.00
Original price $84.00
$84.00
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Current price $84.00

Multi Tourmaline 7x9-8x10mm Pebble - 15-16-Inch

Original price $18.00 - Original price $18.00
Original price $18.00
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Current price $18.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $18.00 - Original price $18.00
Original price $18.00
$18.00
$18.00 - $18.00
Current price $18.00

Multi Tourmaline 8mm Round - 15-16 Inch

Original price $46.00 - Original price $46.00
Original price $46.00
$46.00
$46.00 - $46.00
Current price $46.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $46.00 - Original price $46.00
Original price $46.00
$46.00
$46.00 - $46.00
Current price $46.00

Multi Tourmaline 3mm Round - 15-16 Inch

Original price $25.00 - Original price $25.00
Original price $25.00
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Current price $25.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $25.00 - Original price $25.00
Original price $25.00
$25.00
$25.00 - $25.00
Current price $25.00

Multi Tourmaline 2mm Faceted Cube A Grade - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00
$22.00 - $22.00
Current price $22.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $22.00 - Original price $22.00
Original price $22.00
$22.00
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Current price $22.00

Multi Tourmaline 5x10-20mm Top Drill Teeth - 15-16 Inch

Original price $16.00 - Original price $16.00
Original price $16.00
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Current price $16.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $16.00 - Original price $16.00
Original price $16.00
$16.00
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Current price $16.00

Multi Tourmaline 5x8mm Tear Drop Beads AAA Grade - 15-16 Inch

Original price $177.00 - Original price $177.00
Original price $177.00
$177.00
$177.00 - $177.00
Current price $177.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $177.00 - Original price $177.00
Original price $177.00
$177.00
$177.00 - $177.00
Current price $177.00

Multi Tourmaline 3x4mm Faceted Rondelle - 15-16 Inch

Original price $26.00 - Original price $26.00
Original price $26.00
$26.00
$26.00 - $26.00
Current price $26.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $26.00 - Original price $26.00
Original price $26.00
$26.00
$26.00 - $26.00
Current price $26.00

Multi Tourmaline 2mm Faceted Round AA Grade - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
$24.00
$24.00 - $24.00
Current price $24.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $24.00 - Original price $24.00
Original price $24.00
$24.00
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Current price $24.00

MATTE White African Opal 4mm Round 8-Inch

Original price $7.00 - Original price $7.00
Original price $7.00
$7.00
$7.00 - $7.00
Current price $7.00

White African Opal is a white to cream to light tan stone with veining of black or gray. Like all Opals, it is a form of hydrated amorphous silica,...

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Original price $7.00 - Original price $7.00
Original price $7.00
$7.00
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Current price $7.00

Multi Tourmaline 4mm Banded Blue/Green Microfaceted Round - 15-16 Inch

Original price $31.00 - Original price $31.00
Original price $31.00
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Current price $31.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $31.00 - Original price $31.00
Original price $31.00
$31.00
$31.00 - $31.00
Current price $31.00

Tourmaline 3mm Yellow & Green Banded Faceted Round - 15-16 Inch

Original price $23.00 - Original price $23.00
Original price $23.00
$23.00
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Current price $23.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $23.00 - Original price $23.00
Original price $23.00
$23.00
$23.00 - $23.00
Current price $23.00
Large Hole

Multi Tourmaline 8mm Round Large Hole Beads - 8-inch

Original price $25.00 - Original price $25.00
Original price $25.00
$25.00
$25.00 - $25.00
Current price $25.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $25.00 - Original price $25.00
Original price $25.00
$25.00
$25.00 - $25.00
Current price $25.00

Multi Tourmaline 6x12mm Chip Bead - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00
$22.00 - $22.00
Current price $22.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

View full details
Original price $22.00 - Original price $22.00
Original price $22.00
$22.00
$22.00 - $22.00
Current price $22.00

Multi Tourmaline 8x10-10x12mm Freeform Cut - 15-16 Inch

Original price $120.00 - Original price $120.00
Original price $120.00
$120.00
$120.00 - $120.00
Current price $120.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $120.00 - Original price $120.00
Original price $120.00
$120.00
$120.00 - $120.00
Current price $120.00

Multi Tourmaline 3-5mm Banded Chip A Grade - 15-16 Inch

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00
$18.00 - $18.00
Current price $18.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

View full details
Original price $18.00 - Original price $18.00
Original price $18.00
$18.00
$18.00 - $18.00
Current price $18.00

Multi Tourmaline 8mm Round - 15-16 Inch

Original price $32.00 - Original price $32.00
Original price $32.00
$32.00
$32.00 - $32.00
Current price $32.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $32.00 - Original price $32.00
Original price $32.00
$32.00
$32.00 - $32.00
Current price $32.00

Yellow Green Banded Tourmaline 3mm Faceted Round - 15-16 Inch

Original price $38.00 - Original price $38.00
Original price $38.00
$38.00
$38.00 - $38.00
Current price $38.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $38.00 - Original price $38.00
Original price $38.00
$38.00
$38.00 - $38.00
Current price $38.00

Multi Tourmaline 2mm Cube Table Cut Banded Bead - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00
$22.00 - $22.00
Current price $22.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

View full details
Original price $22.00 - Original price $22.00
Original price $22.00
$22.00
$22.00 - $22.00
Current price $22.00
Large Hole

Multi Tourmaline 8mm Faceted Round Large Hole - 8-inch - CLEARANCE

Original price $29.00 - Original price $29.00
Original price $29.00
$29.00
$29.00 - $29.00
Current price $29.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $29.00 - Original price $29.00
Original price $29.00
$29.00
$29.00 - $29.00
Current price $29.00

Multi Tourmaline 2mm Cube Table Cut A Grade Bead - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
$20.00
$20.00 - $20.00
Current price $20.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $20.00 - Original price $20.00
Original price $20.00
$20.00
$20.00 - $20.00
Current price $20.00

Yellow Moss Opal 8x10-9x13mm Side Drilled Pebble - 15-16 Inch

Original price $14.00 - Original price $14.00
Original price $14.00
$14.00
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Current price $14.00

Yellow Moss Opal is transparent to opaque, milky white to pale yellow in color. It features dark brown to black dendritic inclusions that branch li...

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Original price $14.00 - Original price $14.00
Original price $14.00
$14.00
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Current price $14.00

Yellow Opal 6mm Faceted Round - 15-16 Inch

Original price $26.00 - Original price $26.00
Original price $26.00
$26.00
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Current price $26.00

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that bran...

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Original price $26.00 - Original price $26.00
Original price $26.00
$26.00
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Current price $26.00

White African Opal 6mm Round w/ Red Matrix - 15-16 Inch

Original price $16.00 - Original price $16.00
Original price $16.00
$16.00
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Current price $16.00

White African Opal is a white to cream to light tan stone with veining of black or gray. Like all Opals, it is a form of hydrated amorphous silica,...

View full details
Original price $16.00 - Original price $16.00
Original price $16.00
$16.00
$16.00 - $16.00
Current price $16.00

Yellow Opal 6x12-10x20mm Free Form Dancing Drops A Grade - 15-16 Inch

Original price $17.00 - Original price $17.00
Original price $17.00
$17.00
$17.00 - $17.00
Current price $17.00

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that bran...

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Original price $17.00 - Original price $17.00
Original price $17.00
$17.00
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Current price $17.00

Yellow Opal 5-8mm Banded Faceted Rondelle - 18 Inch

Original price $56.00 - Original price $56.00
Original price $56.00
$56.00
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Current price $56.00

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that bran...

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Original price $56.00 - Original price $56.00
Original price $56.00
$56.00
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Current price $56.00

Multi Tourmaline 4-6x8-9mm Irregular Rondelle Bead - 15-16 Inch

Original price $56.00 - Original price $56.00
Original price $56.00
$56.00
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Current price $56.00

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

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Original price $56.00 - Original price $56.00
Original price $56.00
$56.00
$56.00 - $56.00
Current price $56.00

FAQ

Are all Dakota Stones gemstone beads genuine?

Yes, all of our gemstone beads are made from authentic, natural materials. Any treatments (such as stabilization or dyeing) are clearly noted.

Are gemstone beads durable for everyday jewelry?

Most stones are durable, but hardness varies. Softer stones (below 6 on the Mohs scale) are best for necklaces or earrings rather than rings or bracelets.

How are Dakota Stones ethically sourced?

We are an ethical business that focuses on responsibly sourced rather than making absolute claims. There is no universal or enforceable certification system for ethically sourced gemstone rough used in beads.

Our sourcing decisions are guided by:

  • Long-standing relationships with trusted partners
  • Clear expectations for labor and working conditions
  • Ongoing evaluation of suppliers and materials
  • Transparency about what is—and isn’t—documented in the industry
Where are your gemstones manufactured?

Most of our gemstone beads are manufactured in China and India, with select turquoise products sourced and produced in the United States.

Our primary manufacturing partner in China is a long-standing, multigenerational relationship that dates back to 2003. In India, we work primarily with smaller, family-based operations and purchase ready stock rather than commissioning production.

Do you work directly with miners?

When possible, yes. In many cases, however, direct sourcing from miners is not feasible due to cost, logistics, or material availability—especially for lower-value stones like jaspers and agates.

Instead, we often work with trusted intermediaries who have established relationships within the mining and cutting communities. This is common and unavoidable in the natural stone industry.

Why don’t you list mine-by-mine origins for every stone?

That level of documentation often does not exist—or cannot be verified reliably—for gemstone beads.

Natural stones frequently pass through multiple hands between mining, cutting, and stringing. Rather than offering incomplete or misleading origin claims, we choose to be honest about what we know and transparent about industry limitations.

Have labor conditions improved in your supply chain over time?

Yes. Over the past two decades, labor standards, worker protections, and compensation—particularly in China—have improved significantly as policies shifted toward building a middle class and formalizing manufacturing standards.

These changes have increased costs, but they also reflect progress in worker welfare. We view that as a positive development and adjust our sourcing accordingly.