Brassite

Formula:  MgHAsO4 . 4H2O

Origin of name:  For Rejane Brasse, first synthesis

 

Crystal system:  Orthorhombic

Crystal class:  2/m 2/m 2/m

Twinning:

Unit cell:

 

Colour:  White

Diaphaneity:

Luster:

Habit:  As coatings

Hardness:

Specific gravity:  2.28

Cleavage:  1; {001} excellent

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:

 

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