Trögerite

Formula: (UO2)3(AsO4)2.12H2O

Origin of name: for M. Tröger, German mining official

 

Crystal system: hexagonal

Crystal class: 4/m 2/m 2/m

Twinning:

Unit cell: 

 

Colour: lemon-yellow

Diaphaneity: transparent

Luster: subvitreous

Habit: crystals thin tabular, composite, subparallel aggregates

Hardness: 2 to 3

Specific gravity: 3.55

Cleavage: 2; {001} perfect, micaceous, {100} good

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: fluoresces lemon-yellow

 

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