Bauranoite

Formula:  BaU2O7 . 4-5H2O

Origin of name:  From composition

 

Crystal system:  Unknown

Crystal class:  Unknown

Twinning:

Unit cell:

 

Colour:  Reddish-brown

Diaphaneity:

Luster:

Habit:  Dense fine-grained aggregates

Hardness:  5

Specific gravity:  5.28 to 5.42

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:

 

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