Earlandite

Formula:  Ca3(C6H5O7)2 . 4H2O

Origin of name:   For A. Earland, English civil servant

 

Crystal system:   Monoclinic

Crystal class:   Unknown

Twinning:

Unit cell: 

 

Colour:  White to pale yellow

Diaphaneity:

Luster:

Habit:   Nodules, knobbly, fine-grained

Hardness:

Specific gravity:   1.95

Cleavage:   None

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:

 

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