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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.

DZI Agate 8x12mm Barrel Black Eye - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
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Current price $20.00
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“DZI” Agate is made to resemble beads first found in India between 1000 and 2000 BCE. These reproductions are designed in the traditional color, pa...

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Original price $20.00 - Original price $20.00
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Current price $20.00
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Sardonyx 8mm Energy Prism Faceted - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
$24.00 - $24.00
Current price $24.00
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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 $24.00 - Original price $24.00
Original price $24.00
$24.00 - $24.00
Current price $24.00
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Black Opal 4mm Round Faceted - 15-16 Inch

Original price $44.00 - Original price $44.00
Original price $44.00
$44.00 - $44.00
Current price $44.00
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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 $44.00 - Original price $44.00
Original price $44.00
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Current price $44.00
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Mother of Pearl 10mm Puff Star Black - 15-16 Inch

Original price $76.00 - Original price $76.00
Original price $76.00
$76.00 - $76.00
Current price $76.00
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Mother of Pearl, also known as Nacre, is an iridescent composite of organic and inorganic material most known for being the coating of pearls. It i...

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Original price $76.00 - Original price $76.00
Original price $76.00
$76.00 - $76.00
Current price $76.00
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Ethiopian Opal 5-6mm Pebble Black - 15-16 Inch

Original price $168.00 - Original price $168.00
Original price $168.00
$168.00 - $168.00
Current price $168.00
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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 $168.00 - Original price $168.00
Original price $168.00
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Current price $168.00
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Ethiopian Opal 4-9mm Heart Black - 15-16 Inch

Original price $210.00 - Original price $210.00
Original price $210.00
$210.00 - $210.00
Current price $210.00
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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 $210.00 - Original price $210.00
Original price $210.00
$210.00 - $210.00
Current price $210.00
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Ethiopian Opal 4x9-12mm Pear Black - 15-16 Inch

Original price $210.00 - Original price $210.00
Original price $210.00
$210.00 - $210.00
Current price $210.00
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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 $210.00 - Original price $210.00
Original price $210.00
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Current price $210.00
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Black Spinel 5mm Round - 15-16 Inch

Original price $15.00 - Original price $15.00
Original price $15.00
$15.00 - $15.00
Current price $15.00
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Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

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Black Spinel 10mm Faceted Hexagon - 15-16 Inch

Original price $105.00 - Original price $105.00
Original price $105.00
$105.00 - $105.00
Current price $105.00
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Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

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Original price $105.00 - Original price $105.00
Original price $105.00
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Black Spinel 4x8mm Faceted Rondelle - 15-16 Inch

Original price $121.00 - Original price $121.00
Original price $121.00
$121.00 - $121.00
Current price $121.00
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Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

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Original price $121.00 - Original price $121.00
Original price $121.00
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Black Moonstone 6-8mm Irregular Cube - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
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Current price $20.00
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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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Black Moonstone 5-6mm Irregular Cube - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
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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 $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
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DZI Agate 15x30mm Barrel Black Vase - 13-15 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
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Current price $20.00
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“DZI” Agate is made to resemble beads first found in India between 1000 and 2000 BCE. These reproductions are designed in the traditional color, pa...

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Original price $20.00 - Original price $20.00
Original price $20.00
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Current price $20.00
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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
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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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Hematite Black Plated 2x6mm Hexagon - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
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Current price $11.00
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Hematite is an iron oxide and one of the few gemstones with a metallic luster. When tumbled it can have the look of polished steel. Hematite is bla...

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Original price $11.00
$11.00 - $11.00
Current price $11.00
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Black Silver Leaf Jasper 12mm Round - 15-16 Inch

Original price $32.00 - Original price $32.00
Original price $32.00
$32.00 - $32.00
Current price $32.00
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Black Silverleaf Jasper is a rare form of Jasper, characterized by its color range of black, gray and white and its swirling, leafy patterns. It is...

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Black Obsidian 10mm Round - 15-16 Inch

Original price $14.00 - Original price $14.00
Original price $14.00
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Current price $14.00
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Original price $14.00 - Original price $14.00
Original price $14.00
$14.00 - $14.00
Current price $14.00
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Black Lepidolite 8mm Round - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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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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Black Lepidolite 6mm Round - 15-16 Inch

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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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 $18.00 - Original price $18.00
Original price $18.00
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Black Lepidolite 10mm Round - 15-16 Inch

Original price $27.00 - Original price $27.00
Original price $27.00
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Current price $27.00
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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
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Indigo Gabbro 6mm Round - 15-16 Inch

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Indigo gabbro is a color variant of the igneous mineral, gabbro. Typically, this color forms black, but occasionally gabbro comes in oranges and gr...

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Black Tourmaline 10mm Round A Grade - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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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 $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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Black Spinel 4mm Faceted Lantern - 15-16 Inch

Original price $19.00 - Original price $19.00
Original price $19.00
$19.00 - $19.00
Current price $19.00
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Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

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Original price $19.00 - Original price $19.00
Original price $19.00
$19.00 - $19.00
Current price $19.00
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Sardonyx 6mm Hexagon - 15-16 Inch

Original price $33.00 - Original price $33.00
Original price $33.00
$33.00 - $33.00
Current price $33.00
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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 - $33.00
Current price $33.00
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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 work directly with trusted suppliers around the world to ensure responsible mining, fair labor, and environmentally conscious sourcing.