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92Dureté: Entre 6 et 7Système cristallin: OrthorhombiqueCassure: InégaleClivage: Distinct dans une directionPolariscope: OpaqueIndice de réfraction: -Biréfringence: -Filtre chelsea: -Spectre: Non observable / non diagnostiqueDifférents pays ou peut-être extraite la marcasite: Etats-Unis
The chemical composition of most peridots is often very close to forsterite
Polariscope: Opaque
Filtre chelsea: Pas de modification
009 Chelsea Filter: Blushes Spectrum: Not observable / not diagnostic Charoite can be confused with: - Sugilite - Massive Amethyst - Massive fluorite
Quartz Fumé 8 Rectangle 92Dureté: Entre 6 et 7SystèmeSmoky quartz cabochon. Color: Brown Shape: Round Size: 38. 88mm diameter Weight in grams: 21. 06g Carat weight: 105. 30 carat Country of origin: Madagascar Gemological information on smoky quartz: Other name: Smoky quartz (The term "smoky quartz" is the most acceptable. In the 19th century, there was artificially smoky quartz in the Alps over a wood fire). Density: 2. 65 Hardness: 7 Crystal system: Rhombohedral Fracture: Conchoidal Cleavage: None
