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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: 152

Pink Tourmaline 3mm Round Faceted A Grade - 15-16 Inch

Original price $19.00 - Original price $19.00
Original price $19.00
$19.00
$19.00 - $19.00
Current price $19.00

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 $19.00 - Original price $19.00
Original price $19.00
$19.00
$19.00 - $19.00
Current price $19.00

Pink Tourmaline 2mm Round 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

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

Pink Tourmaline with Pink Lepidolite 4mm Round 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

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

Dendritic Black Opal 6mm Round 15-16 Inch

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

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

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

Dendritic Black Opal 8mm Round - 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

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

View full details
Original price $17.00 - Original price $17.00
Original price $17.00
$17.00
$17.00 - $17.00
Current price $17.00

Mexican Fire Opal 2x6-5x10mm Rough Chips 15-16 Inch - CLEARANCE

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

Fire Opal is a transparent or translucent stone named for the vivid red, orange and yellow colors in which it occurs. The most precious Fire Opal h...

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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

Black Tourmaline 10mm Round - 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

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
$24.00
$24.00 - $24.00
Current price $24.00

Australian Boulder Opal 4mm Faceted Round - 15-16 Inch

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

Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

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

Mexican Fire Opal 8-20mm Top Drill Rough Drops 15-16 Inch

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

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

Black Opal Australian, Faceted 3mm Round - 15-16 Inch

Original price $40.00 - Original price $40.00
Original price $40.00
$40.00
$40.00 - $40.00
Current price $40.00

Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is ...

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Original price $40.00 - Original price $40.00
Original price $40.00
$40.00
$40.00 - $40.00
Current price $40.00

Black Opal Australian, Faceted 4mm Round - 15-16 Inch

Original price $48.00 - Original price $48.00
Original price $48.00
$48.00
$48.00 - $48.00
Current price $48.00

Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is ...

View full details
Original price $48.00 - Original price $48.00
Original price $48.00
$48.00
$48.00 - $48.00
Current price $48.00

Australian Boulder Opal Faceted 3mm 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

Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

View full details
Original price $32.00 - Original price $32.00
Original price $32.00
$32.00
$32.00 - $32.00
Current price $32.00

Australian Boulder Opal Faceted 5mm Round - 15-16 inch - CLEARANCE

Original price $52.00 - Original price $52.00
Original price $52.00
$52.00
$52.00 - $52.00
Current price $52.00

Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

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Original price $52.00 - Original price $52.00
Original price $52.00
$52.00
$52.00 - $52.00
Current price $52.00

Green and Yellow Banded Tourmaline 4mm Faceted Coin - 15-16 Inch

Original price $43.00 - Original price $43.00
Original price $43.00
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$43.00 - $43.00
Current price $43.00

Green Tourmaline ranges in color from pale green to dark emerald to shades of olive and moss green. It is an aluminum borosilicate mixed with iron,...

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Original price $43.00 - Original price $43.00
Original price $43.00
$43.00
$43.00 - $43.00
Current price $43.00

Pink Opal 6mm Natural Energy Prism Faceted - 15-16 Inch

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

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

Black Moss Opal 27x34mm Slice Gold Plated - Pendant

Original price $8.00 - Original price $8.00
Original price $8.00
$8.00
$8.00 - $8.00
Current price $8.00

Black Moss Opal 27x34mm Slice Gold Plated - Pendant

Original price $8.00 - Original price $8.00
Original price $8.00
$8.00
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Current price $8.00

Black Tourmaline 4x6mm Table Cut Corner Drilled Cube Bead - 15-16 Inch

Original price $30.00 - Original price $30.00
Original price $30.00
$30.00
$30.00 - $30.00
Current price $30.00

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 $30.00 - Original price $30.00
Original price $30.00
$30.00
$30.00 - $30.00
Current price $30.00

Yellow Opal 2mm Table Cut Cube Banded Bead - 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

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

Multi Tourmaline Natural 6-7mm Table Cut Cube Bead - 15-16 Inch

Original price $43.00 - Original price $43.00
Original price $43.00
$43.00
$43.00 - $43.00
Current price $43.00

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 $43.00 - Original price $43.00
Original price $43.00
$43.00
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Current price $43.00

Yellow Opal 12-16mm Irregular Faceted Coin A Grade - 15-16 Inch

Original price $39.00 - Original price $39.00
Original price $39.00
$39.00
$39.00 - $39.00
Current price $39.00

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 $39.00 - Original price $39.00
Original price $39.00
$39.00
$39.00 - $39.00
Current price $39.00

Black Flower Tourmaline 4mm Round - 15-16 Inch

Original price $9.00 - Original price $9.00
Original price $9.00
$9.00
$9.00 - $9.00
Current price $9.00

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

View full details
Original price $9.00 - Original price $9.00
Original price $9.00
$9.00
$9.00 - $9.00
Current price $9.00

Black Flower Tourmaline 10mm Round - 15-16 Inch

Original price $13.00 - Original price $13.00
Original price $13.00
$13.00
$13.00 - $13.00
Current price $13.00

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

View full details
Original price $13.00 - Original price $13.00
Original price $13.00
$13.00
$13.00 - $13.00
Current price $13.00

Australian Opal 3-8mm Chip - 15-16 Inch

Original price $175.00 - Original price $175.00
Original price $175.00
$175.00
$175.00 - $175.00
Current price $175.00

Dakota Stones Australian Opals are back. We have been working with a father/ son team out of Australia for many years that assist us to bring you s...

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Original price $175.00 - Original price $175.00
Original price $175.00
$175.00
$175.00 - $175.00
Current price $175.00

Blue Tourmaline 3mm Round Faceted - Microfaceted Rounds - 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

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

Blue Tourmaline 2mm Round Faceted AAA Grade - Microfaceted Rounds - 15-16 inch - CLEARANCE

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

Australian Green Opal 10mm Round Faceted - 15-16 Inch - CLEARANCE

Original price $59.00 - Original price $59.00
Original price $59.00
$59.00
$59.00 - $59.00
Current price $59.00

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite. Common Opal is generally opaque, without the play of c...

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Original price $59.00 - Original price $59.00
Original price $59.00
$59.00
$59.00 - $59.00
Current price $59.00

Australian Green Opal 8mm Round Faceted - 15-16 Inch - CLEARANCE

Original price $45.00 - Original price $45.00
Original price $45.00
$45.00
$45.00 - $45.00
Current price $45.00

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite. Common Opal is generally opaque, without the play of c...

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Original price $45.00 - Original price $45.00
Original price $45.00
$45.00
$45.00 - $45.00
Current price $45.00

Australian Green Opal Light Green 10mm Round A Grade - 15-16 Inch - CLEARANCE

Original price $59.00 - Original price $59.00
Original price $59.00
$59.00
$59.00 - $59.00
Current price $59.00

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite. Common Opal is generally opaque, without the play of c...

View full details
Original price $59.00 - Original price $59.00
Original price $59.00
$59.00
$59.00 - $59.00
Current price $59.00

Pink Opal 8mm Round A Grade - 15-16 Inch

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $33.00 - Original price $33.00
Original price $33.00
$33.00
$33.00 - $33.00
Current price $33.00

Pink Opal 4mm Round A 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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $24.00 - Original price $24.00
Original price $24.00
$24.00
$24.00 - $24.00
Current price $24.00

Pink Opal 10mm Round A Grade - 15-16 Inch

Original price $42.00 - Original price $42.00
Original price $42.00
$42.00
$42.00 - $42.00
Current price $42.00

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $42.00 - Original price $42.00
Original price $42.00
$42.00
$42.00 - $42.00
Current price $42.00

Dendritic Black Opal 4mm Round - 15-16 Inch

Original price $13.00 - Original price $13.00
Original price $13.00
$13.00
$13.00 - $13.00
Current price $13.00

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

View full details
Original price $13.00 - Original price $13.00
Original price $13.00
$13.00
$13.00 - $13.00
Current price $13.00

Dendritic Green Opal 10mm 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

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

View full details
Original price $38.00 - Original price $38.00
Original price $38.00
$38.00
$38.00 - $38.00
Current price $38.00
Large Hole

Pink Opal 8mm Round - Large Hole Beads

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $23.00 - Original price $23.00
Original price $23.00
$23.00
$23.00 - $23.00
Current price $23.00
Large Hole

Pink Opal 6mm Round - Large Hole Beads

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

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
Large Hole

Pink Opal 6mm Round Faceted - Large Hole Beads - CLEARANCE

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $23.00 - Original price $23.00
Original price $23.00
$23.00
$23.00 - $23.00
Current price $23.00

Madagascar Green Dendritic Opal 10mm Round - 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

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

View full details
Original price $24.00 - Original price $24.00
Original price $24.00
$24.00
$24.00 - $24.00
Current price $24.00

Madagascar Green Dendritic Opal 8mm Round - 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

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

View full details
Original price $20.00 - Original price $20.00
Original price $20.00
$20.00
$20.00 - $20.00
Current price $20.00

Madagascar Green Dendritic Opal 6mm Round - 15-16 Inch

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

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

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

Dendritic Yellow Opal 15x20mm Oval - 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

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

Pink Opal 5x8mm Chip - 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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

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

Pink Opal 5x10-20mm Top Drill Teeth - 15-16 Inch

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

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

Pink Opal 6x8mm Faceted Oval - 15-16 Inch

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $44.00 - Original price $44.00
Original price $44.00
$44.00
$44.00 - $44.00
Current price $44.00

Pink Opal 6mm Square Faceted - 15-16 Inch

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

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with pre...

View full details
Original price $44.00 - Original price $44.00
Original price $44.00
$44.00
$44.00 - $44.00
Current price $44.00

Mexican Fire Opal Dark 2-10mm Chip - 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

[Use Fire Opal description? This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hard...

View full details
Original price $46.00 - Original price $46.00
Original price $46.00
$46.00
$46.00 - $46.00
Current price $46.00

Black Opal 4mm Round Faceted - 15-16 Inch

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

Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is ...

View full details
Original price $44.00 - Original price $44.00
Original price $44.00
$44.00
$44.00 - $44.00
Current price $44.00

Ethiopian Opal 2.5mm Cube Light Yellow Faceted - 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

Ethiopian Opal was first discovered in Ethiopia in 1994, with additional major finds in 2008 and 2013. Beautiful specimens of Precious Opal, Fire O...

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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

Ethiopian Opal 4x6-7x10mm Drop Faceted White - 15-16 Inch

Original price $252.00 - Original price $252.00
Original price $252.00
$252.00
$252.00 - $252.00
Current price $252.00

Ethiopian Opal was first discovered in Ethiopia in 1994, with additional major finds in 2008 and 2013. Beautiful specimens of Precious Opal, Fire O...

View full details
Original price $252.00 - Original price $252.00
Original price $252.00
$252.00
$252.00 - $252.00
Current price $252.00

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.