Bismutostibiconite

Formula:  Bi(Sb,Fe)2O7

Origin of name:  From bismuth and stibiconite

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning:

Unit cell:

 

Colour:  Yellow to yellow-brown, greenish

Diaphaneity:

Luster:  Earthy

Habit:  Earthy crusts

Hardness:  4 to 5

Specific gravity:  7.38

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:

 

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