Calcjarlite

Formula:  Na(Ca,Sr)3Al3(F,OH)16

Origin of name:  From Calcium and jarlite

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell:

 

Colour:  White

Diaphaneity:

Luster:

Habit:

Hardness:  4

Specific gravity:  3.51

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:

 

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