bone turquoise


noun

fossil bone or ivory that has been colored naturally or artificially so as to resemble turquoise.

Also called fossil turquoise, odontolite.
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British Dictionary definitions for bone turquoise

bone turquoise

noun

fossilized bone or tooth stained blue with iron phosphate and used as a gemstoneAlso called: odontolite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012