achroite

[ak-roh-ahyt]
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noun

the colorless or white variety of tourmaline, often used as a gem.

Origin of achroite

< Greek áchro(os) colorless (a- a-6 + -chroos colored) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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