Calciouranoite

Formula:  (Ca,Ba,Pb)U2O7 . 5H2O

Origin of name:  From composition

 

Crystal system:  Amorphous

Crystal class:  Unknown

Twinning:

Unit cell:

 

Colour:  Orange to brown

Diaphaneity:

Luster:

Habit:

Hardness:

Specific gravity:  4.62

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:

 

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