Different DIY tests can give you peace of mind regarding the authenticity of your favorite coral beads.
Bead mix, bamboo coral (natural / dyed), mixed colors, 10x3mm-42x18mm mixed shape, D grade, Mohs hardness 3-1/2 to 4. Sold per 1-pound pkg, approximately 90-100 beads. - Fire Mountain Gems and Beads
Natural Coral Beads Vs. Dyed Coral Beads: How To Identify Genuine Ones
Bijuteriile din Coral- Unde le poți găsi? Ce bijuterii există din
10pc Lot Gemstone Undrilled Round Beads 7mm Round Loose Gemstone Beads, Gemmartusa 60106
Vintage Coral Types for coral facts, information, colors of coral, rare corals, and pictures by Estate Beads
How can you tell if your coral beads are real? – New Mexico Gems
Natural vs. Dyed Coral Beads: How to Spot the Difference – The Bead Traders
Package Included -- 100 pcs random mixed color gemstone loose beads. Size: about 10mm in diameter. Usage -- Beading, Jewelry Making, Art, Craft.
NBEADS 100 PCS Random Mixed Color No Hole Undrilled Natural Gemstone Beads, Synthetic Loose Beads Stone Charms for DIY Jewelry Making
Brass turquoise coral bead - DharmaShop