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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.

Astrophyllite 8mm Round - 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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Astrophyllite is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral. Astrophyllite gets its name from the Greek w...

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Blue Lace Agate 8mm Round A Grade - 15-16 Inch

Original price $64.00 - Original price $64.00
Original price $64.00
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Current price $64.00
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Blue Lace Agate is a naturally occurring soft blue agate, laced with bands or swirls of brighter blue, periwinkle, white and occasionally gray or b...

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Current price $64.00
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Larimar 8mm Round A Grade - 15-16 Inch

Original price $144.00 - Original price $144.00
Original price $144.00
$144.00 - $144.00
Current price $144.00
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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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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
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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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Red Hematoid Quartz 8mm Round AA Grade - 15-16 Inch

Original price $31.00 - Original price $31.00
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Current price $31.00
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Hematoid Quartz is Quartz with inclusions of hematite. The hematite inclusions are responsible for the stone’s color, which can be yellow, orange, ...

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Black Mica 8mm Round A Grade - 15-16 Inch

Original price $24.00 - Original price $24.00
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Current price $24.00
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Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet sil...

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Bicolor Sunstone 8mm Round - 15-16 Inch

Original price $39.00 - Original price $39.00
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Current price $39.00
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Sunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catc...

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Green Quartz 8x12mm Top Drill Faceted Tear Drop - 15-16 Inch

Original price $32.00 - Original price $32.00
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From Brazil, Blue Green Quartz, also known as Prase, is solid clear Quartz crystals that get its bluish green color from Actinolite and Chlorite. Q...

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Labradorite 8x12mm Top Drill Faceted Tear Drop - 15-16 Inch

Original price $40.00 - Original price $40.00
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Current price $40.00
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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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Blue Moonstone 5x8mm Chip - 15-16 Inch

Original price $16.00 - Original price $16.00
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Current price $16.00
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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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Golden Sunstone 5x8mm Chip - 15-16 Inch

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Current price $16.00
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Sunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catc...

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Original price $16.00 - Original price $16.00
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Black Rutilated Quartz 5x8mm Chip - 15-16 Inch

Original price $16.00 - Original price $16.00
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Current price $16.00
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Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile. These “needles” usually appear golden, but can also app...

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Canadian Jade 5x8mm Chip - 15-16 Inch

Original price $16.00 - Original price $16.00
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Current price $16.00
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Canadian Jade is the trade name for this stone that ranges in color from light to dark green, with small, dark specks or veins. This material is ac...

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Larimar 5x8mm Chip - 15-16 Inch

Original price $20.00 - Original price $20.00
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Current price $20.00
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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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Rhodochrosite 5x8mm Chip - 15-16 Inch

Original price $20.00 - Original price $20.00
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Current price $20.00
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Rhodochrosite is a bubblegum pink to rose red stone, with occasional inclusions of creamy white and dark grey. A manganese carbonate material of th...

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Dark Labradorite 5x8mm Irregular Faceted Rondelle - 15-16 Inch

Original price $28.00 - Original price $28.00
Original price $28.00
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Current price $28.00
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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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Pink Opal 6x8mm Faceted Oval - 15-16 Inch

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

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Brazilian Amazonite 6x8mm Faceted Oval - 15-16 Inch

Original price $44.00 - Original price $44.00
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Current price $44.00
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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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Blue Lace Agate 4x8mm Irregular Rondelle Faceted - 15-16 Inch

Original price $28.00 - Original price $28.00
Original price $28.00
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Current price $28.00
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Blue Lace Agate is a naturally occurring soft blue agate, laced with bands or swirls of brighter blue, periwinkle, white and occasionally gray or b...

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DZI Turtle Agate 8mm Round Brown- 15-16 Inch

Original price $14.00 - Original price $14.00
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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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DZI Turtle Agate 8mm Round Green - 15-16 Inch

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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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DZI Turtle Agate 8mm Faceted Round Brown White - 15-16 Inch

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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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DZI Line Agate 8mm Round Red Brown- 15-16 Inch

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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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DZI Three Eye Agate 8mm Round Blue - 15-16 Inch

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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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DZI Line Agate 8mm Faceted Round Brown White - 15-16 Inch

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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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DZI Three Eye Agate 8mm Round Black - 15-16 Inch

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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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DZI Line Agate 8mm Round Brown - 15-16 Inch

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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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DZI Eye Agate 8mm Round Black Brown - 15-16 Inch

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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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DZI Three Eye Agate 8mm Round Red - 12-14 Inch

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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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DZI Watermelon Agate 8mm Round Brown - 15-16 Inch

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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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Dumortierite 8mm Double Heart Faceted A Grade - 15-16 Inch

Original price $28.00 - Original price $28.00
Original price $28.00
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Current price $28.00
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Dumortierite is an aluminum borosilicate mineral that varies in color from blue, green and brown to the more rare violet and pink. First described ...

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Green Angelite 8mm Double Heart Faceted - 15-16 Inch

Original price $28.00 - Original price $28.00
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A natural blue form of calcium sulfate, it raises the state of conscious awareness and facilitates contact with your angels. It is mined in Peru. I...

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Hackmanite 8mm Round - 15-16 Inch

Original price $31.00 - Original price $31.00
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Discovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem-grade hac...

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Violet Aqua Terra Impression Jasper 8mm Round - 15-16 Inch

Original price $24.00 - Original price $24.00
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Aqua Impression Jasper has been dyed to an aqua or turquoise blue color. It contains inclusions of tan and crimson, which dramatically complement t...

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5 Elements Quartz 8mm Round - 15-16 Inch

Original price $31.00 - Original price $31.00
Original price $31.00
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5 Elements Quartz

Original price $31.00 - Original price $31.00
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Chrysocolla 8mm Energy Prism Faceted - 15-16 Inch

Original price $64.00 - Original price $64.00
Original price $64.00
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Current price $64.00
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Chrysocolla, a hydrous copper silicate, is often mistaken for turquoise due to its rich blues and blue to greens. It often also occurs with colors ...

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Sardonyx 8mm Energy Prism Faceted - 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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Wampum Shell 8mm Heishi - 15-16 Inch

Original price $49.00 - Original price $49.00
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Wampum is made from one of the hardest and most beautiful shells in the world: the Northern Quahog, a clam found along the New England coast. The w...

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Wampum Shell 8mm Round - 15-16 Inch

Original price $132.00 - Original price $132.00
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Wampum is made from one of the hardest and most beautiful shells in the world: the Northern Quahog, a clam found along the New England coast. The w...

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Turquoise and Spiny Oyster 8mm Round - 15-16 Inch

Original price $77.00 - Original price $77.00
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Turquoise is an ancient gemstone, one of the first known to man. Known to Egyptian and Aztec cultures thousands of years ago, Turquoise is now mine...

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Carnelian 8x12mm Tube Simple Cut - 15-16 Inch

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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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Aquamarine 8mm Star Cut Coin 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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Prehnite 8mm Round AAA Grade - 15-16 Inch

Original price $36.00 - Original price $36.00
Original price $36.00
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Current price $36.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Black Moonstone 8mm Round - 15-16 Inch

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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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Golden Hematoid Quartz 8mm Star Cut Coin - 15-16 Inch

Original price $22.00 - Original price $22.00
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Hematoid Quartz is Quartz with inclusions of hematite. The hematite inclusions are responsible for the stone’s color, which can be yellow, orange, ...

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Lapis 8mm Star Cut Coin A Grade - 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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Labradorite 8mm Star Cut Coin A Grade - 15-16 Inch

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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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Olive Jade 8mm Star Cut Coin - 15-16 Inch

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Olive Jade is the commercial name for this yellow to green to olive green stone and ranges from translucent to opaque. This material is actually Se...

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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. Exact count should be disclosed; ask before buying if a piece-count is critical for your design and isn't specified.
  • 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. Length and approximate count should be disclosed; if you need a tight tolerance for a calibrated production run, ask before buying so the team can pull and measure before shipping.