Definition: a white to grey amphibole mineral which occurs widely in igneous rocks and ischaracteristic of metamorphosed dolomitic limestones透閃石tòu shǎn shíFormula:Ca2Mg5Si8O22(OH)2Origin:late 18th century:from Tremola Valley,Switzerland,+-iteExample:Laoz......(本文共 470 字) [閱讀本文] >>


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