humite

noun hum·ite \ ˈhyüˌmīt \

Definition of humite

plural -s
: a white, yellow, brown, or red mineral Mg7Si3O12(F1OH)2 consisting of a basic magnesium silicate containing fluorine that is brittle and of vitreous to resinous luster, that is found in the masses ejected from Vesuvius and elsewhere, and is related to chondrodite, norbergite, and olivine (hardness 6.–6.5; specific gravity 3.1–3.2)

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Origin and Etymology of humite

Sir Abraham Hume †1838 English mineral collector + English -ite


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