Stibivanite

Formula: Sb2VO5

Origin of name: from Latin stibium = antimony and vanadium

 

Crystal system: monoclinic

Crystal class: 2/m 2/m 2/m 

Twinning:

Unit cell: 

 

Colour: yellow-green

Diaphaneity: 

Luster: adamantine

Habit: radiating fibrous crystals, to 2 mm diameter

Hardness: about 4

Specific gravity: 5.12

Cleavage: none

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: data are for stibivanite-2M, there is also a -2O polytype

 

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