Smolianinovite

Formula: (Co,Ni,Mg,Ca)3(Fe,Al)2(AsO4)4.11H2O

Origin of name: for N. Smolianinov, Russian mineralogist

 

Crystal system: orthorhombic

Crystal class: unknown

Twinning:

Unit cell: 

 

Colour: yellow to yellow-brown

Diaphaneity: 

Luster: silky, earthy

Habit: fibrous, earthy to dense aggregates

Hardness: about 2

Specific gravity: 2.05 to 2.15

Cleavage: none

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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