Complete mineralogical data for KRUPKAITE. Chemical Formula: PbCuBi3S6. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRUT’AITE. Chemical Formula: CuSe2. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRUTOVITE. Chemical Formula: NiAs2. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRYACHKOITE. Chemical Formula: (Al,Cu)6(Fe,Cu). Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRASHENINNIKOVITE. Chemical Formula: KNa2CaMg(SO4)3F. Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRÁSNOITE. Chemical Formula: Ca3Al7.7Si3P4O23.5(OH)12.1F2·8H2O. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRASNOSHTEINITE. Chemical Formula: Al8Cl4(OH)16[B2O4(OH)2]·7H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRASNOVITE. Chemical Formula: Ba(Al,Mg)(PO4,CO3)(OH)2·H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRATOCHVÍLITE. Chemical Formula: C13H10. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for KRAUSITE. Chemical Formula: KFe3+(SO4)2(H2O). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.