Dorfmanite

Formula:   Na2HPO4 . 2H2O

Origin of name:   For M. Dorfman

 

Crystal system:  Orthorhombic

Crystal class:   Unknown

Twinning:

Unit cell: 

 

Colour:   White

Luster:

Habit:   White powdery aggregates

Hardness:   1 to 1.5

Specific gravity:   2.0

Cleavage:   None

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:   Highly soluble in water

 

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