Sphalerite is a not yet into the mainstream of new breed of gem, it has a higher refractive index than the diamond, eye-catching yellow green and strong light, all the doomed it is well deserved high-end color stones, now because I know it is not much, the price is relatively cheap, great appreciation potential.
We in the gem chooses the material carefully
Gem grinding studio we
We collect gem material in the mine, the first hand source.