Description
VENDU Améthyste trapiche en tranche 5 bois 92 Hardness: Between 6 and Quantité:1 mala 6mm Perles en quartz avec 92 Hardness: Between 6 and 7 Crystal system: Orthorhombic Breakage: Uneven Cleavage: Distinct in one direction Polariscope: Opaque Refractive index: Birefringence: Chelsea filter: Spectrum: Not observable not diagnostic Different countries where marcasite can be extracted: United States Informations gemmologiques sur l'apatite: