Perles en prehnite, forme diamant, 8mm facettées C'est le nom que l'on

C'est le nom que l'on donne généralement à l'orthose

Different places where white labradorite can be mined: India

254Filtre chelsea: Pas de modificationSpectre: IndistinctDifférents pays ou peut-être extrait la malachite: Congo

The purpose of the oil and resin is to make the stone more resistant

- Aventurine quartz (aventurine) when it has a sparkling effect linked to the presence of inclusions

Perles en prehnite, forme diamant, 8mm facettées C'est le nom que l'onPrehnite beads, diamond shape. Color: Green and some black Size: 8mm Country of origin: Mali Gemological information about prehnite: Possible colors: Colorless, white, green, yellow, brown Density: between 2. 80 and 2. 95 Hardness: between 6 and 6. 5 Crystal system: Orthorhombic Breakage: Irregular Cleavage: Distinct Polariscope: Anisotropic Refractive index: Np: 1. 611 to 1. 632 Nm: 1. 615 to 1. 642 Ng: 1. 632 to 1. 665 Birefringence: 0. 021 to 0.