Perles en lapis-lazuli, forme diamant entre 6 et 10mm Plat facetté Color: Orange with a glitter

Color: Orange with a glitter effect

- Turquoise "morte"

- Cordiérite

- Heating an amethyst

Kenya) Russie

Perles en lapis-lazuli, forme diamant entre 6 et 10mm Plat facetté Color: Orange with a glitterLapis lazuli beads, diamond shape. Color: Ultramarine blue, white veins (calcite), pyrite inclusions, black traces Sizes between 6 and 10mm Country of origin: Afghanistan Gemological information about lapis lazuli: Possible color: Ultramarine blue, white veins (calcite), pyrite inclusions, black traces Density: between 2. 37 and 2. 95 Hardness: 5. 5 Crystal system: Cubic Breakage: Irregular Cleavage: Perfect Polariscope: Opaque Refractive index: 1,500