Formula: (NH4,K)2FeCl5 . H2O
Origin of name: For P. Kremers, German chemist
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Red to brownish red
Diaphaneity:
Luster: Vitreous
Habit: Crystals pseudo-octahedral
Hardness:
Specific gravity: 2.17
Cleavage: 2; {210} and {011} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments: Deliquescent
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