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16-Inch Gemstones

The 16-inch strand is the industry standard—and no one stocks more of them than Dakota Stones. Browse more than 200 stone types across every color and pattern, from everyday staples like Amethyst and Jasper to collector favorites such as Red Garnet and rare Turquoise mine-runs. Because the strands measure a full 15 – 16 inches, you get enough beads for matching earring pairs, stretch bracelets, or a necklace focal and still have extras for accents.
Need to drill down fast? Use the filter bar to sort by Stone Type when you know the gem you want, or by Color when you’re building a palette first. Shapes range from classic rounds and rondelles to cubes, heishi, chips, and rare designer cuts—each strand calibrated for even sizing and smooth stringing.
Whether you’re a hobbyist replenishing a bead board or a pro assembling a full production run, this category is the workhorse of our catalog: reliable lengths, vast variety, and new additions arriving every month. Dive in, filter your way to the perfect strand, and keep your design queue flowing with Dakota Stones’ biggest collection.

Products: 2359

Australian Boulder Opal 4mm Round - 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

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

Australian Boulder Opal 10mm Round - 15-16 Inch

Original price $90.00 - Original price $90.00
Original price $90.00
$90.00
$90.00 - $90.00
Current price $90.00

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 $90.00 - Original price $90.00
Original price $90.00
$90.00
$90.00 - $90.00
Current price $90.00

Blue Moonstone 8mm Round - 15-16 Inch

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

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

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

Blue Moonstone 10mm Round A Grade - 15-16 Inch

Original price $55.00 - Original price $55.00
Original price $55.00
$55.00
$55.00 - $55.00
Current price $55.00

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

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Original price $55.00 - Original price $55.00
Original price $55.00
$55.00
$55.00 - $55.00
Current price $55.00

Azurite 8mm Round A Grade - 15-16 Inch

Original price $54.00 - Original price $54.00
Original price $54.00
$54.00
$54.00 - $54.00
Current price $54.00

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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Original price $54.00 - Original price $54.00
Original price $54.00
$54.00
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Current price $54.00

Azurite 6mm Round A Grade - 15-16 Inch

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

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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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

Azurite 4mm Round A Grade - 15-16 Inch

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

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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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

Azurite 10mm Round A Grade - 15-16 Inch

Original price $76.00 - Original price $76.00
Original price $76.00
$76.00
$76.00 - $76.00
Current price $76.00

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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Original price $76.00 - Original price $76.00
Original price $76.00
$76.00
$76.00 - $76.00
Current price $76.00

Yellow and Green Aqua Impression Jasper 8mm Round - 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

Impression Jasper naturally occurs in colors of tan, pale blue to green and crimson, in striking patterns. It is often color to enhanced to bring o...

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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

Yellow and Green Aqua Impression Jasper 6mm Round - 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

Impression Jasper naturally occurs in colors of tan, pale blue to green and crimson, in striking patterns. It is often color to enhanced to bring o...

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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

Yellow and Green Aqua Impression Jasper 10mm Round - 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

Impression Jasper naturally occurs in colors of tan, pale blue to green and crimson, in striking patterns. It is often color to enhanced to bring o...

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

Devil Aquamarine 8mm Round - 15-16 Inch

Original price $36.00 - Original price $36.00
Original price $36.00
$36.00
$36.00 - $36.00
Current price $36.00

"Devil Aquamarine" (or "Devil Blue Aquamarine") is a market term for natural aquamarine characterized by deep blue, dark tones, and inclusions of b...

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Original price $36.00 - Original price $36.00
Original price $36.00
$36.00
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Current price $36.00

Aquamarine 8mm Round AAA Grade Beads - 15-16 Inch

Original price $85.00 - Original price $85.00
Original price $85.00
$85.00
$85.00 - $85.00
Current price $85.00

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

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Original price $85.00 - Original price $85.00
Original price $85.00
$85.00
$85.00 - $85.00
Current price $85.00

Aquamarine 6mm Round AAA Grade Beads - 15-16 Inch

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

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

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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

Aquamarine 4mm Round AAA Grade Beads - 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

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

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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

Aquamarine 4mm Round A Grade Beads - 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

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

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

Ice Amazonite 8mm Round A Grade - 15-16 Inch

Original price $34.00 - Original price $34.00
Original price $34.00
$34.00
$34.00 - $34.00
Current price $34.00

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

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Original price $34.00 - Original price $34.00
Original price $34.00
$34.00
$34.00 - $34.00
Current price $34.00

Ice Amazonite 6mm 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

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

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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

Ice Amazonite 10mm Round A Grade - 15-16 Inch

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

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

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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

Multi Tourmaline 3-5mm Banded Chip A Grade - 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
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Banded Mixed Stone 6-9mm Chips - Amethyst and Rose Quartz - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
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Current price $11.00

This banded strand of chips features Amethyst, Rose Quartz, and Purple Rose Quartz.

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00
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Current price $11.00

Labradorite 5x7mm Faceted Irregular Rondelle AA Grade - 15-16 Inch

Original price $47.00 - Original price $47.00
Original price $47.00
$47.00
$47.00 - $47.00
Current price $47.00

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

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Original price $47.00 - Original price $47.00
Original price $47.00
$47.00
$47.00 - $47.00
Current price $47.00

Labradorite 3x4mm Faceted Rondelle AAA Grade- 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

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

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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

Labradorite 10x13mm Irregular Tear Drop - 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

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

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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

Red Black Super Seven 3mm Table Cut Cube A Grade - 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

Super 7, also known as Melody's Stone, is a rare, naturally occurring rock composed of seven specific minerals: amethyst, clear quartz, smoky quart...

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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

Red Black Super Seven 3x4mm Faceted Rondelle 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

Super 7, also known as Melody's Stone, is a rare, naturally occurring rock composed of seven specific minerals: amethyst, clear quartz, smoky quart...

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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

Red Black Super Seven 6mm Round - 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

Super 7, also known as Melody's Stone, is a rare, naturally occurring rock composed of seven specific minerals: amethyst, clear quartz, smoky quart...

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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

Red Black Super Seven 10mm Round - 15-16 Inch

Original price $41.00 - Original price $41.00
Original price $41.00
$41.00
$41.00 - $41.00
Current price $41.00

Super 7, also known as Melody's Stone, is a rare, naturally occurring rock composed of seven specific minerals: amethyst, clear quartz, smoky quart...

View full details
Original price $41.00 - Original price $41.00
Original price $41.00
$41.00
$41.00 - $41.00
Current price $41.00

Red Black Super Seven 4mm Faceted Round A Grade - 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

Super 7, also known as Melody's Stone, is a rare, naturally occurring rock composed of seven specific minerals: amethyst, clear quartz, smoky quart...

View full details
Original price $14.00 - Original price $14.00
Original price $14.00
$14.00
$14.00 - $14.00
Current price $14.00

Red Black Super Seven 8mm 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

Super 7, also known as Melody's Stone, is a rare, naturally occurring rock composed of seven specific minerals: amethyst, clear quartz, smoky quart...

View full details
Original price $28.00 - Original price $28.00
Original price $28.00
$28.00
$28.00 - $28.00
Current price $28.00

Red Garnet 6mm Faceted Lantern - 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

Red Garnet is the most commonly known type of Garnet, which occurs in many colors. Garnet has been used for adornment and spirituality by myriad cu...

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

Labradorite 6mm Faceted Lantern A Grade - 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

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

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

African Turquoise 6mm Faceted Lantern A Grade - 15-16 Inch

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

African Turquoise is not actually Turquoise, but rather a speckled teal Jasper found in Africa and often treated to simulate the beautiful blue to ...

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

Amazonite 4mm Faceted Lantern - 15-16 Inch

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

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

View full details
Original price $27.00 - Original price $27.00
Original price $27.00
$27.00
$27.00 - $27.00
Current price $27.00

Labradorite 4mm Faceted Lantern A Grade - 15-16 Inch

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

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

View full details
Original price $27.00 - Original price $27.00
Original price $27.00
$27.00
$27.00 - $27.00
Current price $27.00

Yellow Jade 6mm Hexagon - 15-16 Inch

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

Yellow Jade is not actually Jade, but a form of natural Serpentine which is commonly referred to as Yellow Jade in the stone industry. This semi to...

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

White Howlite 6mm Hexagon - 15-16 Inch

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

White Howlite is named for Canadian mineralogist Henry How, who first discovered the stone in Southern California in 1868. It is typically white or...

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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

Unakite 6mm Hexagon - 15-16 Inch

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

Unakite is a granite composed of pink Feldspar and Epidote, creating a beautiful blend of pink and green in mottled patterns. The colors in this st...

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

Sardonyx 6mm Hexagon - 15-16 Inch

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

Sardonyx has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is not Onyx, but rather a dark variety of ...

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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

Rhodonite with Matrix 6mm Hexagon - 15-16 Inch

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

Rhodonite, whose name is derived from the Greek word for Rose, “rhodon,” is known for its pink, red and magenta hues. A Manganese inosilicate (or c...

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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

New Jade 6mm Hexagon - 15-16 Inch

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

Jade is the industry name for this beautiful deep green stone. Ours is actually a Serpentine, but takes a trained eye and a microscope to discern t...

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

Lepidolite 6mm Hexagon - 15-16 Inch

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

A particularly soft stone, Lepidolite has a glassy or lustrous sheen. It is the most abundant lithium-bearing mineral as well as a significant sour...

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

Lapis 6mm Hexagon - 15-16 Inch

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

Lapis is a semi to precious stone and one of the most sought after throughout history. It is highly regarded for its beautiful blue color flecked w...

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

Kambaba Jasper 6mm Hexagon - 15-16 Inch

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

Kambaba Jasper is a sedimentary stone comprised of microcrystalline Quartz interlaced with Stromatolites — ancient fossilized colonies of primeval ...

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

Green Aventurine 6mm Hexagon - 15-16 Inch

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

Green Aventurine is a green translucent quartz with glimmering metallic inclusions. Green is the most common color for Aventurine, but it can also ...

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

Carnelian 6mm Hexagon - 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

Carnelian is a glassy, translucent stone that can appear with such bright orange hues that the ancient Egyptians called it “the setting sun.” Most ...

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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

Blue and Yellow Tiger Eye 6mm Hexagon - 15-16 Inch

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

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they c...

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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

Blue Agate 6mm Hexagon - 15-16 Inch

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

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

Frequently asked questions

  • What is a 16-inch strand and why is it the trade standard?
    A 16-inch strand is the working length most US jewelry designers buy for design-grade work — necklaces, multi-strand layouts, and bulk component sourcing. It gives enough beads to lay out a full 18–20 inch necklace with clasp and findings, or to cut down into shorter assemblies without running short. The 16-inch length has been the trade default for decades because it standardizes pricing and bead-count math across stones and cuts. Dakota's 16-inch hub covers the full catalog at this length, across rounds, rondelles, faceted cuts, cubes, coins, and shape work. The bracelet counterpart is the 8-inch strand.
  • How many beads per 16-inch strand at common sizes?
    Approximate bead counts per 16-inch strand assume snug-strung beads with no spacer drift. At 2mm you get roughly 200 beads, at 3mm about 135, at 4mm about 100, at 6mm about 66, at 8mm about 50, at 10mm about 40, and at 12mm about 33. Faceted cuts, rondelles, and irregular shapes (pebble, nugget, coin) vary — count is driven by the bead's drilled axis, not its widest dimension.
  • 16-inch vs 8-inch — which length for which project?
    16-inch is the necklace and design-strand length: enough material for an 18–20 inch finished necklace, multi-strand torsades, long earring drops, or component cutting. 8-inch is the bracelet length: pre-cut to the wrist standard, sized for stretch-cord bracelets and single-wrap pieces. Designers running production bracelet lines typically buy 8-inch to skip the cut-down step; designers doing necklace work, statement pieces, or mixed assemblies buy 16-inch for the bead count and pricing efficiency. Both lengths share the same stones and cuts where stocked — the choice is about finished-piece geometry, not material grade.
  • What stones and cuts does Dakota carry in 16-inch?
    The 16-inch hub spans the full catalog. Most-stocked stones include agate, turquoise, quartz, jasper, tourmaline, moonstone, garnet, labradorite, opal, and amazonite, with deeper coverage across feldspar, chalcedony, and silica varieties. Cut coverage runs from smooth round and faceted round (the largest categories) through rondelle, microfaceted round, pebble and nugget, cube, table-cut cube, faceted cube, and coin. Standard sizes are 4mm, 6mm, 8mm, and 10mm, with 2mm and 3mm in microfaceted work and 12mm in larger statement rounds. Filter by stone, cut, or size to narrow the grid.
  • How does Dakota measure 16-inch strand lengths?
    Strand length is measured end-to-end along the drilled axis, beads strung snug with no gaps. A 16-inch strand can run 15.5 to 16.5 inches depending on bead shape and how the cutter finished the temporary string — irregular shapes (nugget, pebble, raw-faceted) sit at the looser end because the drill points don't always center on the bead's midline. Bead count per strand reflects this variance.