Hydroglauberite

Formula:  Na10Ca3(SO4)8 . 6H2O

Origin of name:   From Greek hydor = water and glauberite

 

Crystal system:  Monoclinic

Crystal class:  Unknown

Twinning: 

Unit cell: 

 

Colour:  Snow-white

Diaphaneity: 

Luster:  Silky

Habit:  Fibrous, microscopic, in dense masses

Hardness

Specific gravity:  1.51

Cleavage:  None

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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