Tausonite

Formula: SrTiO3

Origin of name: for Lev Vladimirovich Tauson (1917-1989), Russian geochemist and petrologist, director of the Geochemical Institute, Irkutsk, Russia

 

Crystal system: Cubic/Isometric

Crystal class: 4/m 3 2/m

Twinning:

Unit cell: a = 3.9048

 

Colour: Ruby red, brownish red, dark reddish brown, gray

Diaphaneity: Translucent to opaque

Luster: Adamantine

Habit: Crystals cubes and cubo-octahedral, to 2 mm, irregular grains 0.01 to 2 mm, massive

Hardness: 6 to 6.5

Specific gravity: 4.88

Cleavage: None

Tenacity: Brittle, conchoidal fracture

Streak: Brownish white

 

Synonyms/varieties:

 

Comments: 

 

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