Formula: Mn(UO2)2(PO4,VO4)2 . 4H2O
Origin of name: For Carl Fritzsche, German chemist
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Reddish-brown to hyacinth red
Diaphaneity: Translucent
Luster: Vitreous to pearly
Habit: Crystals platy
Hardness: 2.5 to 3.5
Specific gravity: 3.5
Cleavage: 2; {001} perfect, {100} distinct
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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