Sedovite

Formula: U(MoO4)2

Origin of name: for G. Sedov, Russian polar explorer

 

Crystal system: orthorhombic

Crystal class: unknown

Twinning:

Unit cell: 

 

Colour: brown to reddish brown

Diaphaneity: nearly opaque

Luster: 

Habit: crystals fibrous, radiating groups, ton tenths of mm, powdery

Hardness: about 3

Specific gravity: 4.2

Cleavage: 1; parallel to elongation

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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