Claraite

Formula:  (Cu,Zn)3(CO3)(OH)4 . 4H2O

Origin of name:  From locality; Clara mine, Oberwolfach, Germany

 

Crystal system:  Triclinic, pseudo-hexagonal

Crystal class:  Unknown

Twinning:

Unit cell:

 

Colour:  Blue, bluish-green

Diaphaneity:

Luster:

Habit:  Spherules

Hardness:  2

Specific gravity:  3.35

Cleavage:  1; {10-10} perfect

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:

 

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