Maldonite

Formula:  Au2Bi

Origin of name:  Locality; Maldon, Australia

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning: 

Unit cell: 

 

Colour:  Silver-white with pink tint, tarnishes copper-red

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Crystals octahedral; massive, granular, thin coatings

Hardness:  1.5 to 2

Specific gravity:  15.46

Cleavage:  1; {001} distinct

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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