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Coral - 8-Inch

Once living reef builders, these corals were buried and gradually replaced by silica over millions of years, preserving their flower-shaped chambers in stone. The resulting fossil coral beads show warm tans, russets, and creams that add organic texture to any palette. Long regarded as a grounding talisman linked to earth history, fossil coral suits designs meant to anchor and connect.

Fossil Coral 4mm Round 8-Inch

Original price $7.00 - Original price $7.00
Original price $7.00
$7.00 - $7.00
Current price $7.00
Login for wholesale

Fossil Coral is the prehistoric fossilized remains of the invertebrate reef builders that live in tropical oceans. Silica-rich waters create harden...

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Original price $7.00 - Original price $7.00
Original price $7.00
$7.00 - $7.00
Current price $7.00
Login for wholesale

About this stone

Color
RedPinkWhiteOrangeBlackBlue
Origin
MediterraneanPacificTaiwanItalyJapan
Mohs hardness
3–4
Treatment categories
NaturalDyedBleached
Industry-standard treatment
Some coral is bleached or dyed; bamboo coral (a different reef species) is commonly dyed to imitate precious coral
Mineral chemistry
Calcium carbonate (CaCO3) — organic, formed by marine polyps
Crystal system
Trigonal
Stone family
Organic
Common cuts
RoundBranchStickRondelle
Common sizes
4mm6mm8mm10mm
Care notes
Soft (Mohs 3–4) and porous. Avoid ultrasonic, steam, acids, perfumes; mild damp cloth only.
Related stones
Bamboo Coral, Sponge Coral, Pearl, Conch

Frequently asked questions

  • What is an 8-inch coral strand and what's it for?
    An 8-inch strand is the bracelet-length sibling of the 16-inch design strand — same coral material, half the length. It's sized so a single strand strung on stretch cord lands close to an average wrist with minimal waste. Designers reach for 8-inch when they're producing stretch bracelets in batches, building multi-strand wrap pieces, or stacking coral with other gemstones without buying twice the material they need. If you're cutting strands for earrings, pendants, or longer necklaces, the 16-inch parent collection is usually the more economical buy.
  • How many coral beads come on an 8-inch strand?
    Count depends on bead diameter and drill-hole spacing, but rough working numbers are: about 50 beads at 4mm, around 33 at 6mm, about 25 at 8mm, roughly 20 at 10mm, and around 16–17 at 12mm. Shaped cuts like coin and chip don't follow the round-bead math — chip strands in particular vary widely because the pieces aren't calibrated. Exact counts should be disclosed; if a strand's count matters for your design, confirm before buying.
  • What jewelry are 8-inch coral strands best for?
    Stretch bracelets are the most common use — one 8-inch strand of 8mm rounds strings directly onto elastic cord with room for the knot. The smaller 4mm and 6mm rounds work well for delicate stacks, memory-wire wraps, and multi-strand cuffs. Larger 10mm and 12mm rounds make statement single-strand bracelets. The coin and chip cuts pair well as accent rows in multi-strand designs or as texture against round beads in the same stack. For necklaces and earrings, the 16-inch parent collection is the more practical starting point.
  • Does Dakota carry coral in 16-inch strands too?
    Yes. The 16-inch parent collection is at dakotastones.com/collections/coral-gemstone-beads and carries the broader cut and size assortment — the 8-inch line is a focused subset for bracelet-makers. If you're working at design-strand length, need more beads per strand for a longer piece, or want a cut not stocked in 8-inch, check the 16-inch page first. Material source and treatment notes apply across both lengths since they come from the same supply.
  • What coral types and treatments should I expect?
    Coral in the bead trade covers several materials — bamboo coral (often dyed to red, pink, or other colors), sponge coral, and reconstituted or stabilized coral are all common. Color and species should appear on each listing, along with any dye or stabilization treatment. Coral sits around 3–4 on the Mohs scale, so it's softer than most silicate gemstones and benefits from finished pieces that avoid hard knocks. If treatment or species isn't specified on the listing, ask before buying.