Shubnikovite

Formula: Ca2Cu8(AsO4)6Cl(OH).7H2O

Origin of name: for Aleksei Shubnikov, Russian crystallographer

 

Crystal system: orthorhombic

Crystal class: unknown

Twinning:

Unit cell: 

 

Colour: light blue

Diaphaneity: 

Luster: 

Habit: platy

Hardness: 2

Specific gravity

Cleavage: none

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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