Natural grey Botswana Agate - 43.183 ct - long oval Cabochon - certified natural
Add elegance to your collection with this 43.183 ct Natural grey Botswana Agate.
Natural Gems Belgium Colored Stone Certification CA-BOAG024GR-002-177
IDENTIFICATION :
Species : Natural Chalcedony (a cryptocrystalline form of quartz)
Variety : Agate
DESCRIPTION
Shape & Cutting Style : long oval, cabochon, polished both sides
Measurements : 45 x 25.2 x 4.1 mm
Carat Weight : 43.183 Carat
Color : shades of grey (back side brownish red and 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
correction of pictures capture; the pictures do not indicated truely colors as hey are;
front side of stone almost completey grey tones
back side brownish red with grey tones, white dots visible on gemstone are sparkling
Personal Note From Natural Gems Belgium:
This oval shaped cabochon has good polish grade, fair to good symmetry, and has a nice natural variation of grey tones. Very nice pattern, very good and unique color.
natural inequalities due to crystal formation
FIND THE ONLINE CERTIFICATE HERE
For impression take a look at the pictures,
all items are sent insured with track and trace regardless of value
