Byströmite

Formula:  MgSb2O6

Origin of name:  For Anders Byström (1916-1956), Swedish crystal chemist

 

Crystal system:  Tetragonal

Crystal class:  4/m 2/m 2/m

Twinning:

Unit cell: a = 4.68, c = 9.21

 

Colour:  Blue-gray

Diaphaneity:

Luster: Earthy

Habit:  Massive

Hardness:  ~ 7

Specific gravity:  5.7

Cleavage:  None

Tenacity:

Streak:  Light gray

 

Synonyms/varieties:

 

Comments:

 

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