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Hoelzel Classification

7 SULFATES CHROMATES MOLYBDATES WOLFRAMATES

7.F Chromates

7.FA Chromates (-Anions -Water)

7.FA.3

Tarapacáite K2CrO4 orthorhombisch Pnma mmm 7.FA.300
Chromatite CaCrO4 tetragonal I41/amd 4/mmm 7.FA.340
Crocoite PbCrO4 monoklin P21/n 2/m 7.FA.360

7.FA.4

Chrombismite Bi16CrO27 tetragonal 7.FA.400

7.FA.5

Lópezite K2Cr2O7 triklin P1 1 7.FA.500



Mineralsystematik-Übersicht