Home > Term: katoptrite
katoptrite
A monoclinic mineral, (Mn, Mg)13(Al, Fe)4Sb2Si2O28; in jet-black crystals in limestone at Nordmark and Laangban, Sweden.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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