Definition of imerinite
: a monoclinic amphibole Na2(Mg,Fe)6Si8O22(O,OH)2 that is related to richterite and occurs in colorless to blue acicular crystals : a basic silicate of sodium, iron, and magnesium
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Origin and Etymology of imerinite
French imerinite, from Imerina, province of Madagascar, its locality + French -ite
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