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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
909 Birefringence: 0
Polariscope: Anisotrope (rétablit tous les 90° sauf dans l'axe optique)
Informations gemmologiques sur la prehnite:
Shimmering effect
VENDU Quartz avec inclusions de graphite 3 facettées 909 Birefringence: 0Quartz cabochon with graphite inclusions. Color: Colorless, black (more or less black depending on the number of graphite inclusions, quartz can be more or less opaque). Shimmering effect, silvery black metallic shine. The graphite inclusions are scattered randomly throughout the stone, giving an adventurous effect. This is the origin of the clearly visible sparkles, particularly in the sun (see video). Shape: Oval Size: 37. 17 x 27. 20mm Weight in
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