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vesuvianite

[vuh-soo-vee-uh-nahyt] /vəˈsu vi əˌnaɪt/
noun
1.
a mineral, chiefly a hydrous silicate of calcium and aluminum, commonly in tetragonal crystals and usually of a brown to green color; idocrase.
Origin of vesuvianite
1885-1890
First recorded in 1885-90; Vesuvian + -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for vesuvianite

vesuvianite

/vɪˈsuːvɪəˌnaɪt/
noun
1.
a green, brown, or yellow mineral consisting of a hydrated silicate of calcium, magnesium, iron, and aluminium: it occurs as tetragonal crystals in limestones and is used as a gemstone. Formula: Ca10(Mg,Fe)2Al4Si9O34(OH)4 Also called idocrase, vesuvian
Word Origin
C19: first found in the lava of Vesuvius
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
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21
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