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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.

Topaz 8x10-10x12mm Rough Nugget A Grade - 15-16 Inch

Original price $27.00 - Original price $27.00
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Topaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone. Topaz occurs in a wi...

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Beryl (Morganite) 8x10-10x12mm Rough Nugget A Grade - 15-16 Inch

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A relatively rare silicate mineral found in igneous and metamorphic rocks around the world, Beryl is generally clear, while its variations in color...

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Larimar 8x10-10x12mm Rough Nugget A Grade- 15-16 Inch

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Larimar is a translucent blue, turquoise and white stone that can have streaks and patterns of white, as well as red or brown either from oxidation...

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Whiskey Quartz 7x15-8x19mm Nugget - 15-16 Inch

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A deep, bronze-toned variation of quartz, Whiskey Quartz is a naturally occurring stone that is a bit lighter than Smoky Quartz. Quartz has been hi...

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Amethyst 7x10mm Nugget - 15-16 Inch

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Amethyst is a beautiful purple stone, known as a “Gem of Fire” by ancient cultures. It has been greatly sought after throughout history and was at ...

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Tiger Eye 7x8mm Faceted Round Nugget A Grade - 15-16 Inch

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Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

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Smoky Quartz 7x8mm Faceted Round Nugget - 15-16 Inch

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Smoky Quartz is a translucent smoky brown or gray variety of Quartz. It ranges from almost completely transparent to an almost opaque brownish to g...

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Sodalite 7x8mm Faceted Round Nugget A Grade - 15-16 Inch

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Sodalite is named for its sodium content and may be classified as a feldspathoid. Blue Sodalite is sometimes referred to as “poor man’s lapis” beca...

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Sardonyx 7x8mm Faceted Round Nugget - 15-16 Inch

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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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Red Garnet 7x8mm Faceted Round Nugget - 15-16 Inch

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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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Silver Obsidian 7x8mm Faceted Round Nugget - 15-16 Inch

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Essentially a volcanic glass, Obsidian ranges in color from opaque black, to green, brown, mahogany, black with rainbow colors, black with snowflak...

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Lemon Jade (Serpentine) 7x8mm Faceted Round Nugget - 15-16 Inch

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Lapis 7x8mm Faceted Round Nugget - 15-16 Inch

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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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Iolite 7x8mm Faceted Round Nugget - 15-16 Inch

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Iolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called “pleochroism,” which means that it ca...

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Flower Agate 7x8mm Faceted Round Nugget - 15-16 Inch

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Dog Teeth Amethyst 7x8mm Faceted Round Nugget - 15-16 Inch

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Dog Teeth Amethyst has a purple and white striped appearance due to its combination of Amethyst and White Quartz. The name derives from the recurri...

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Citrine 7x8mm Faceted Round Nugget A Grade - 15-16 Inch

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Citrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It ma...

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Crystal Quartz 7x8mm Faceted Round Nugget - 15-16 Inch

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Crystal Quartz is a naturally occurring clear and colorless Quartz. It is a crystalline form of Quartz said to have many divine properties includin...

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Charoite 7x8mm Faceted Round Nugget - 15-16 Inch

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Charoite is a stone that naturally occurs in intense purple hues, as well as grays, browns, greenish yellows, white and black. These colors swirl t...

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Cacoxenite 7x8mm Faceted Round Nugget - 15-16 Inch

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Cacoxenite is the trade name for this naturally occurring blend of seven stone types. It was originally named for the visible inclusions of the min...

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Black Gold Amazonite 7x8mm Faceted Round Nugget - 15-16 Inch

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Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

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Botswana Agate 7x8mm Faceted Round Nugget - 15-16 Inch

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Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...

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Brazilian Amazonite 7x8mm Faceted Round Nugget - 15-16 Inch

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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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Sale Sale

Aquamarine 7x8mm Faceted Round Nugget A Grade - 15-16 Inch

Original price $36.00 - Original price $36.00
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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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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.