Kuzminite

Formula:  Hg2(Br,Cl)2

Origin of name:  For A. M. Kuzmin, Russian mineralogist

 

Crystal system:  Tetragonal

Crystal class:  4/m 2/m 2/m

Twinning: 

Unit cell: 

 

Colour:  Dull-white or bluish gray, may have weak brown tint

Diaphaneity: 

Luster: 

Habit: 

Hardness:  2

Specific gravity:

Cleavage:  1; {100} good

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:  Series with calomel; soluble in warm HCl

 

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