Size: 6x11 mm.
Shape: Pear Shaped.
Weight: 1.20 carats.
Treatment: None
A mostly black opal there is a bit of white base opal near one edge. The primary color of the fire is orangey red.
Good for ring or pendant.
Gilson opal is a synthetic version of opal. Unlike other opal substitutes, Gilson opal has a similar structure to opal and no artificial additives. The prime differences art that Gilson Created Opal contains vertually no water and is far more stable than natural opal.
All other man made opalescent materials are considered to be simulations or simulants of opal. They are forms of glass or contain resins and bear no resemblance to natural opal in its structure or composition.
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Pear Shaped Gilson Created Black Opal
Size: 6x11 mm.
Shape: Pear Shaped.
Weight: 1.20 carats.
Treatment: None
A mostly black opal there is a bit of white base opal near one edge. The primary color of the fire is orangey red.
Good for ring or pendant.
Gilson opal is a synthetic version of opal. Unlike other opal substitutes, Gilson opal has a similar structure to opal and no artificial additives. The prime differences art that Gilson Created Opal contains vertually no water and is far more stable than natural opal.
All other man made opalescent materials are considered to be simulations or simulants of opal. They are forms of glass or contain resins and bear no resemblance to natural opal in its structure or composition.
I cut stones from interesting materials. I cut en cabochon (like opals and turquoise) only. I do facet.
60 Items in FireFossil's Studio | Visit Studio
Freeform Madagascar Spectrolite
Item Number: Spectrolab-012000-22
Size: 12x37 mm.
Shape: Freeform.
Weight: 13.10 carats.
Treatment: None.
Interesting shape with splotches of blue and green.
What is th...
Large Koroit Designer cab with Pin...
Item Number: Koroit-092199-19
Size: 19x44 mm.
Shape: Freeform.
Weight: 31.65 carats.
Treatment: None
A big stone with a nice pattern and blue or green precious pinfire opal throughout.
...
Gilson Created Black Opal
Item Number: Opal-020303-02
Size: 5x17 mm.
Shape: Freeform.
Weight: 2.10 carats.
Treatment: None
This is a very high dome opal that would be extremely suitable for a pendant.
The fire ...
