FA-BOAG024GR-001-013

Natural Gems Belgium Colored Stone Certification FA-BOAG024GR-001-013

IDENTIFICATION : Natural red grey Botswana Agate - 52.82 ct - long oval Cabochon - unheated

Species : Natural Chalcedony (a cryptocrystalline form of quartz)
Variety : Agate

DESCRIPTION

Shape & Cutting Style : long oval, cabochon, polished both sides
Measurements : 44.8 x 22.6 x 5.7 mm
Carat Weight : 52.82 Carat
Color : Brownish red, 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

Personal Note From Natural Gems Belgium:

This oval shaped cabochon has good polish grade, good symmetry, and has a nice natural variation of Brownish red and grey tones the grey surrounding the brownish red. Very nice pattern, very good dark color.