Bütschliite

Formula:  K2Ca(CO3)2

Origin of name:  For Otto Bütschli, German zoologist

 

Crystal system:  Hexagonal

Crystal class:  -3 2/m

Twinning:

Unit cell:

 

Colour:

Diaphaneity:

Luster:

Habit:

Hardness:

Specific gravity:

Cleavage:

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Dimorphous with fairchildite

 

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