Bunsenite

Formula:  NiO

Origin of name:  For R. Bunsen, German chemist and inventor of the Bunsen burner

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning:

Unit cell:

 

Colour:  Dark yellowish green

Diaphaneity:  Transparent

Luster:  Vitreous

Habit:  Crystals octahedral

Hardness:  5.5

Specific gravity:  6.7 to 6.9

Cleavage:  None

Tenacity:

Streak:  Brownish black

 

Synonyms/varieties:

 

Comments:

 

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