-40%
Genuine Natural Iolite AAA Rated Round Faceted Loose Gemstones (1mm - 9mm)
$ 5.27
- Description
- Size Guide
Description
STUNNING ROUND FACETED NATURAL IOLITE (GENUINE)The chemical composition of iolite is magnesium aluminium silicate (Mg2 Al 4 Si5 O18).
The specific gravity ranges from 2.57 to 2.66
The refractive index range vary between 1.53-1.54 and 1.54-1.55.
Iolite’s hardness on Mohs scale ranges between 7 and 7.5
Mainly used as substitute for blue sapphire
Sizes available 1mm to 9mm
Very Good cutting
Top Quality
Astonishing Luster
MM Carat weight per piece (approx)
1.50
0.016
1.75 0.022
2.00
0.036
2.50
0.066
3.00
0.10
4.00
0.23
5.00
0.44
6.00
0.65
6.50 1.00
7.00 1.60
8.00 2.25
9.00 3.00