Monteponite

Formula:  CdO

Origin of name:  After locality; Monteponi mine, Sardinia, Italy

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning: 

Unit cell: 

 

Colour:  Black

Diaphaneity:  Transparent

Luster:  Brilliant

Habit:  Crystals octahedral, cubo-octahedral; powdery

Hardness:  3

Specific gravity:  8.1 to 8.2

Cleavage:  None

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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