Carlhintzeite

Formula:  Ca2AlF7 . H2O

Origin of name:  For Carl Hintz

 

Crystal system:  Triclinic, pseudomonoclinic

Crystal class:  1 or -1

Twinning:

Unit cell:

 

Colour:  Colourless

Diaphaneity:

Luster:

Habit:  Crystals small, in tufts and bundles

Hardness:

Specific gravity:  2.86

Cleavage:  None

Tenacity:

Streak:  White

 

Synonyms/varieties:

 

Comments:

 

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