Jewellery News Asia writes:
This is a new emerald green man-made material that is being marketed through Rough Synthetic Stones Co Ltd (RSS) of Bangkok.
This crystal pulled material has:
- An emerald green color…although the crystals are also available in black, blue, brown, and red colors
- A hardness of 7 on Mohs scale
- A specific gravity of 2.70
- A refractive index (presumably SR) of 1.72
Before being marketed as a jewelry accessory, this material has been used for industrial purposes. Fortall™ is available both as rough and as faceted stones.
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