Main centres: | 1-3 business days |
Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
Close up under high medication
AA Grade Dioptase 61g 50mmx23mm Mineral Specimen
General Category Mineral Chemical formula Copper silicate hydrate: CuSiO3·H2O Identification Color Dark blue green, emerald green Crystal habit Six sided prisms terminated by rhombohedrons to massive Crystal system Trigonal; bar 3 Cleavage Perfect in three directions Fracture Conchoidal and brittle Mohs scale hardness 5 Luster Vitreous Streak Green Specific gravity 3.28–3.35 Refractive index 1.65–1.71