Vessonite Natural Raw StonesVessonite Physical Properties Chemical Classification: Sorosilicate Colour: Yellow, green, brown, white, colorless brown black, light green, pink, purple, red, black, emerald green, violet, blue green to blue Chemical Composition: Ca10(Mg, Fe)2Al4(SiO4)5(Si2O7)2(OH,F)4 Mohs scale Hardness: 6 7 Specific Gravity: 3. 32 3. 43 Crystal System: Tetragonal Streak: White Lustre: Vitreous to Resinous Diaphaneity: Sub transparent to Translucent Cleavage: None
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