Kassite

Formula:  CaTi2O4(OH)2

Origin of name:  For N. Kassin, Russian geologist

 

Crystal system:  Orthorhombic

Crystal class:  2/m 2/m 2/m

Twinning: 

Unit cell: 

 

Colour:  Pale yellow, brownish pink

Diaphaneity: 

Luster:  Adamantine

Habit:  Crystals flattened, platy, in rosettes to 0.5 mm, spherules to 0.1 mm

Hardness:  5

Specific gravity:  3.42

Cleavage:  2; {010} perfect, {101} distinct

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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