Bischofite

Formula:  MgCl2 . 6H2O

Origin of name:  For Karl Bischof, German mineralogist

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell:

 

Colour:  Colourless, white

Diaphaneity:  Transparent to translucent

Luster:  Vitreous to dull

Habit:  Crystals short prismatic; granular, foliated, fibrous

Hardness:  1 to 2

Specific gravity: 1.56

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Deliquescent

 

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