Odintsovite

Formula: K₂Na₄Ca₃Ti₂Be₄Si₁₂O₃₈

Origin of name: for Mikhail Odintsov, Russian geologist

Crystal system: orthorhombic

Crystal class: 2/m 2/m 2/m

Twinning: 

Unit cell: 

Colour: colourless to light pink, brownish hue

Diaphaneity: 

Luster: 

Habit: as equant grains, 0.5 to 1 mm

Hardness: 5 to 5.5

Specific gravity: 

Cleavage: none

Tenacity: 

Streak: 

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