Is this real or dyed red coral?

6-8mm Red Coral Chips – Beads and Plenty More (Calgary) Ltd

coral

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Oval Red Coral (Dyed) Beads 3.5x6mm, Sold By 1 Strand(7.5-8)

Chunky Branch Coral, Dyed Bamboo Coral, Red Coral Bead – 909beads

Lot - An Italian Dyed Red Coral Necklace

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Dyed Red Natural Coral Drum Beads

Is this real or dyed red coral?

Which are the tests to identify real red coral from fake coral

Natural Un-dyed Red Coral Necklace, 1011171

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