Ravatite

Formula: C₁₄H₁₀

Origin of name: after locality Ravat, Tadzhikistan

Crystal system: monoclinic

Crystal class: 2

Twinning:

Unit cell: 

Colour: colourless, white, pale gray

Diaphaneity: translucent

Luster: vitreous to waxy

Habit: thin plate-like crystals with irregular shape, hundreds of microns, aggregates as crusts less than 1 mm thick

Hardness: 

Specific gravity: 1.11

Cleavage: 1; {001} perfect

Tenacity: 

Streak: 

Synonyms/varieties:

Comments: fluoresces whitish yellow