Skippenite

Formula: Bi2Se2Te

Origin of name: for George Skippen, Canadian geologist

 

Crystal system: hexagonal

Crystal class: -3 2/m

Twinning:

Unit cell: 

 

Colour: steel-gray

Diaphaneity: 

Luster: metallic

Habit: lamellar crystals 0.2 to 1 mm long in massive aggregates

Hardness: 2.5

Specific gravity: 7.94

Cleavage: 1; {0001} perfect

Tenacity: 

Streak: black

 

Synonyms/varieties:

 

Comments: 

 

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