General Information: Chemical Formula: CaAlB3O7 Empirical Formula: CaAl(B3O7) IMA Status: Approved IMA 1976 Locality: NO Physical Properties: Cleavage: None Color: colorless or white. Density: 3.37 Diaphaniety: Transparent Hardness: 7.5 - Garnet Luminescence: Fluorescent. Luster: Vitreous (Glassy) Streak: white More details...