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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Restores every 90 degrees
18mm de diamètrePoids en gramme: 4
00mm Weight in grams: 15
673 Birefringence: Most of the time it is zero Chelsea Filter: Inert Spectrum: Not observable / not diagnostic Different countries where black jade may be mined: Japan
Préhnite 32 Losange Restores every 90 degreesPrehnite cabochon with some episode inclusions. Color: Green and some black Shape: Oval Size: 36. 88 x 22. 25mm Weight in grams: 9. 47g Carat weight: 47. 38 carat Country of origin: Mali Gemological information about prehnite: Possible colors: Colorless, white, green, yellow, brown Density: between 2. 80 and 2. 95 Hardness: between 6 and 6. 5 Crystal system: Orthorhombic Breakage: Irregular Cleavage: Distinct Polariscope: Anisotropic Refractive index:
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