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NamibieLa malachite peut-être confondue avec:- Pâte de verre- Plastique- Résine- Turquoise "morte"- Malachite synthétiqueLes traitements qui existent pour modifier la malachite:- Résine- On fait également de la malachite reconstituée en la compressant
Color: Blue Shape: Drop Size: 39
20 carat Country of origin: Brazil Gemological information about amethyst: Possible color: Blue-mauve
Possible color: Pink to red Density: Between 3
Informations gemmologiques sur l'unakite:
Perles en apatite jaune entre 4 et 8-9mm Sizes:6mm NamibieLa malachite peut-être confondue avec:-Apatite beads. Color: Yellow Sizes between 4 and 8 9mm Country of origin: Mexico Treatment: Polymer impregnation (does not affect the color) which helps to consolidate the stone. Gemological information about apatite: Possible color: Colorless, yellow, green, blue, purple, pink Density: between 3. 16 and 3. 28 Hardness: 5 Crystal system: Hexagonal Fracture: Subconchoidal, uneven Cleavage: Imperfect Polariscope: Anisotropic (restores all 90, except in
