Calciovolborthite

Formula:  CaCu(VO4)(OH)

Origin of name:  From composition

 

Crystal system:  Orthorhombic

Crystal class:  222

Twinning:

Unit cell:

 

Colour:  Greenish yellow to olive-green to dark green

Diaphaneity:

Luster:  Vitreous, pearly on cleavage

Habit:  Scaly aggregates, fibrous

Hardness:  3.5

Specific gravity:  3.75

Cleavage:  1; perfect

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Series with conichalcite

 

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