Pierre de lune 92 Communication animale 682 Birefringence: 0

682 Birefringence: 0

Carat weight: 54

A limestone composed almost exclusively of fossilized shell fragments

Line in the Red at around 688 nm and Weak and broad band centered at around 650 nm

20g Carat weight: 20

Pierre de lune 92 Communication animale 682 Birefringence: 0Moonstone cabochon. Color: Peach with aventurescence effect Shape: Drop Size: 36. 83 x 28. 01mm Weight in grams: 8. 00g Carat weight: 40. 02 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