VENDU Opale commune verte 4 pierre de lune blanche Spectrum: Strong band at 506nm

Spectrum: Strong band at 506nm and often at 548nm (valid for the entire series) |

Garnierite is more commonly considered a rock

77mm Weight in grams: 8

- Doublet avec du spinelle synthétique

VENDU Opale commune verte 4 pierre de lune blanche Spectrum: Strong band at 506nmGreen common opal cabochon. Color: Green Shape: Drop Size: 34. 12 x 24. 77mm Weight in grams: 8. 05g Carat weight: 40. 28 carat Country of origin: Madagascar Gemological information about common green opal: Note: There are two types of opal: noble (also called precious) and common. Common opal is distinguished from noble opal by its construction. Silica nanospherules are: Either of a different shape other than that of a sphere Either too big Either of