what are pervoskites - Search
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  1. Copilot Answer
    FormulaCaTiO₃
    IMA symbolPrv
    Strunz classification4.CC.30
    History

    The mineral was discovered in the Ural Mountains of Russia by Gustav Rose in 1839 and is named after Russian mineralogist Lev Perovski (1792–1856). Perovskite's notable crystal structure was first described by … See more

    Occurrence

    Found in the Earth's mantle, perovskite's occurrence at Khibina Massif is restricted to the silica under-saturated ultramafic rocks and foidolites, due to the instability in a paragenesis with feldspar. Perovskite occurs as small … See more

    Physical properties

    The eponymous Perovskite CaTiO3 crystallizes in the Pbnm space group (No. 62) with lattice constants a = 5.39 Å, b = 5.45 Å and c = 7.65 Å.
    Perovskites have a nearly cubic structure with the ge… See more

    Perovskite derivatives

    A double perovskite has a formula of A'A"B'B"O6 and replaces half the B sites with B′, where A are alkaline or rare earth metals and B are transition metals. The cation arrangement will differ based on charge, co… See more

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