Cassedanneite

Formula:  Pb5(VO4)2(CrO4)2 . 2H2O

Origin of name:  For J. Cassedanne

 

Crystal system:  Monoclinic

Crystal class:  2 or m or 2/m

Twinning:

Unit cell:

 

Colour:  Red-orange

Diaphaneity:

Luster:

Habit:  Small platy crystals forming round aggregates

Hardness:  3.5

Specific gravity:

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Series with embreyite

 

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