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orangé et / ou noir
- Turquoise
Polariscope: Anisotrope
909Biréfringence: 0
Perles en obsidienne dorée, forme diamant entre 6 et 12mm tilleul orangé et / ou noirGolden obsidian beads, diamond shape. Color: Black with a golden shiny effect Sizes between 6 and 12mm Country of origin: Mexico Gemological information about golden obsidian: Density: between 2. 25 and 2. 40 Hardness: between 5 and 5. 5 Crystal system: Amorphous Fracture: Conchoidal Cleavage: None Polariscope: Isotropic Refractive index: 1. 480 to 1. 500 Birefringence: None Chelsea Filter: No modification Spectrum: Not observable not diagnostic
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