bone turquoise

noun

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

bone turquoise

noun

1. fossilized bone or tooth stained blue with iron phosphate and used as a gemstone Also calledodontolite

Example Sentences

So that around the bones there eventually appears a beautiful turquoise casing; the bone centre is also coloured like its casing, though not entirely losing its bony characteristics, so that it really forms a kind of ossified turquoise, surrounded by real turquoise, and this is called the "bone turquoise" or "odontolite."

From Project Gutenberg