Amazing Very Rare Black Perovskite(Knopite) crystal with Green Phlogopite For Sale
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Amazing Very Rare Black Perovskite(Knopite) crystal with Green Phlogopite :
$49.00
Amazing Very Rare Black Perovskite(Knopite) crystal with Green Phlogopite in Calcite from Kola peninsula! Deposit:Afrikanda quarry, Murmansk Oblast,Kola peninsula, A. Knop (1828-1893), German mineralogist who discovered the niobian variety of perovskite (\'dysanalyte\').
A variety of PerovskiteA variety of perovskite rich in cerium.
Originally described from Långörsholmen, Alnö, Sundsvall, Medelpad, Sweden.
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