Bromellite

Formula:  BeO

Origin of name:  For M. von Bromell, Swedish physician

 

Crystal system:  Hexagonal

Crystal class:  6mm

Twinning:

Unit cell:

 

Colour:  White

Diaphaneity:  Transparent

Luster:  Vitreous

Habit:  Crystals prismatic

Hardness:  ~  9

Specific gravity:  3.017

Cleavage:  1; {10-10} distinct

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Hardness approximate

 

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