- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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: Ca 10 (Mg,Fe) 2 Al 4 Si 9 O 34 (OH) 4Also called: idocrase, vesuvian
C19: first found in the lava of Vesuvius
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