Formula: K2FeCl4 . 2H2O
Origin of name: Locality; Douglashall, Saxony, Germany
Crystal system: Monoclinic
Crystal class: Unknown
Twinning:
Unit cell:
Colour: Light green; alters to brownish red on exposure
Diaphaneity:
Luster: Vitreous
Habit: Massive, coarse granular
Hardness:
Specific gravity: 2.16
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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