tanzanite

[ tan-zuh-nahyt ]
/ ˈtæn zəˌnaɪt /
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noun

Mineralogy. a variety of zoisite valued as a gem for its purplish-blue color and strong pleochroism.

Origin of tanzanite

1965–70; named after Tanzania, where found; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Word Origin and History for tanzanite

tanzanite


n.

violet-blue gemstone, 1968, named by Henry B. Platt, vice president of Tiffany & Co., because the stone was discovered in the African nation of Tanzania.

Online Etymology Dictionary, © 2010 Douglas Harper