Perles en lapis-lazuli, forme diamant entre 6 et 10mm Plat facetté It does not replace the

It does not replace the consultation of a health professional

- Heating an amethyst

Informations gemmologiques sur la iolite:

Kenya) Russie

- Cordiérite

Perles en lapis-lazuli, forme diamant entre 6 et 10mm Plat facetté It does not replace theLapis 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