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- Irradiated synthetic quartz
58mm Weight in grams: 6
36 carat Country of origin: Madagascar Gemological information about common green opal: Note: There are two types of opal: noble (also called precious) and common
Weight: Approx 33g
Informations gemmologiques sur la calcédoine:
Aragonite bleue 15 Sculpté - Irradiated synthetic quartzCabochon en aragonite bleue. Couleur: Bleue Forme: Goutte Taille: 36,18 x 29,52mm Poids en gramme: 10,47g Poids en carat: 52,38 carat Pays d'origine: Pakistan Informations gemmologiques sur l'aragonite: Couleur possible: Incolore, blanc, jaune, bleu. Densit: Entre 2,93 et 2,95 Duret: Entre 3,5 et 4 Systme cristallin: Orthorhombique Cassure: Conchodale Clivage: Distinct Polariscope: Anisotrope (prsente parfois des anomalies de polarisation, souvent
US$ 159.95
US$ 229.95
