Mineral: | Zoisita variedad: Tanzanita, Var. Gema
| Fórmula química: | {Ca2}Al3}[O|OH|SiO4|Si2O7] | Tamaño: | | Peso: | | Transparencia: | transparente - translúcido | Número de piezas: | | Origen: | Merelani Hills (Mererani), Valle de Umba, Lelatema Mts, Región de Arusha, Tanzania | Here you get a fine unheated Tanzanite crystal with great natural color. The crystal discloses a fine shape with termination and striation along the prism faces. You can see the pleochroism changing from light blue to violet coloration viewed along the c-axis. A fine example for a tanzanite crystal with partly gemmy areas!!
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