FA-BOAG024GR-001-023
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Natural Gems Belgium Colored Stone Certification FA-BOAG024GR-001-023
IDENTIFICATION : Natural red purplish grey Botswana Agate - 42.20 ct - pear Cabochon - unique colors
Species : Natural Chalcedony (a cryptocrystalline form of quartz)
Variety : Agate
DESCRIPTION
Shape & Cutting Style : pear, cabochon, polished both sides
Measurements : 30.9 x 33.7 x 5.2 mm
Carat Weight : 41.20 Carat
Color : deep red - pinkish red - purplish grey
Clarity : N/A
Transparency : Semi-Translucent
Birefringence : Up to 0.004
Crystallography : Hexagonal (trigonal)
Dispersion : None
Luster : Waxy
Hardness : 6.5-7
Refractive index : 1.530-1.543
Specific gravity : 2.60-2.64
COMMENTS :
No indications of heating
Chip on back side of cabochon
Personal Note From Natural Gems Belgium:
This pear shaped cabochon has fair to good polish grade. Good symmetry, and has a nice natural variation of colors. A pinkish red sone surrounded by deep red lines, surrounded by purplish grey . Good color grade, and unique color combination.