Pierre de lune 87 cristal de roche except in the optical axis

except in the optical axis Refractive index: Ne: 1

Carat weight: 147 carat

variété de microcline

Informations gemmologiques sur l'astrophyllite:

Pierre de lune 87 cristal de roche except in the optical axisMoonstone cabochon. Color: White Shape: Drop Size: 28. 79 x 18. 16mm Weight in grams: 4. 75g Carat weight: 23. 75 carat Country of origin: India Gemological information about moonstone: Note: The name moonstone is a trade name. Officially part of the feldspar group. This is the name generally given to orthoclase. But some feldspars can also inherit this name when they exhibit adularescence, this is the case for example of oligoclase, labradorite,