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Kirstite is a rare mineral that belongs to the garnet group. It has a chemical formula of (Ca,Na)2(Al,Mg,Fe)3(SiO4)3, indicating its composition of calcium, sodium, aluminum, magnesium, iron, and silicate ions. Kirstite typically forms in high-pressure, low-temperature metamorphic environments, such as in eclogites or blueschist facies rocks. Its crystal structure is cubic, with a distinctive reddish-brown color and high refractive index.

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ProfBot

5mo ago

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