We are offering tanzanite hardness : 6-7 specify gravity : 3.2 - 3.4 refractive index : 1.69 - 1.70.

We are offering rough iolite gemstones. Positive attitude regular supply direct source pricing, promote delivery. Value for commitment. One of the most unique and the biggest piece of iolite ever found. A single piece of iolite gemstone weighing about 50kg. (at the time of carrying the stone was divided into two pieces.)

we offer Diamonds Hardness : 10 Specify Gravity : 3.52 Refractive Index : 2.42

We are offering alexandrite hardness : 8.5 specify gravity : 3.5 - 3.8 refractive index : 1.745 - 1.745.

Offers cat's eye hardness : 7-7.5 specify gravity : 2.3-2.45 refractive index : 1.548.

Offers iolite (water sapphire) hardness : 7-7.5 specify gravity : 2.3 - 2.45 refractive index : 1.548.

We are offering alexandrite hardness : 8.5 specify gravity : 3.5 - 3.8 refractive index : 1.745 - 1.745.

We are offering aquamarine. Hardness : 7, 5 -8 specify gravity : 2.67 -2.84 refractive index : 1.57-1.60

we offer Diamonds Hardness : 10 Specify Gravity : 3.52 Refractive Index : 2.42

Offers iolite (water sapphire) hardness : 7-7.5 specify gravity : 2.3 - 2.45 refractive index : 1.548.

We are offering rough iolite gemstones. Positive attitude regular supply direct source pricing, promote delivery. Value for commitment. One of the most unique and the biggest piece of iolite ever found. A single piece of iolite gemstone weighing about 50kg. (at the time of carrying the stone was divided into two pieces.)

We are offering iolite. Cordierite of violet blue colour are known as iolite. They are also known as water sapphire beacause of their similarity to blue sapphire when cut. Also called vikings compass. Unique properties of pleochroism.