Empressite

Formula:   AgTe

Origin of name:   Locality; Empress Josephine mine, Colorado

 

Crystal system:   Orthorhombic

Crystal class:   2/m 2/m 2/m

Twinning:

Unit cell: 

 

Colour:  Pale bronze, tarnishes darker

Diaphaneity:

Luster:   Metallic

Habit:   Massive, compact granular

Hardness:   3.5

Specific gravity:   7.61

Cleavage:   None

Tenacity: 

Streak:   Grayish black to black

 

Synonyms/varieties:

 

Comments:

 

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