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Jewellery, Opals
SiO2 · nH2O
OPAL RAINBOW RING 3
Availability:
Out of stock
Lovely Opal Rainbow Silver Ring 3. Great colour and solidly crafted .925 Silver Ring for sale. Stunning high rainbow colours in several directions, mostly green. Hand made in NSW from solid Coober Pedy Opal.
Size 8,US or Q, 3.26g.
Stone 1cm x 0.7cm.
SiO2 · nH2O
Hydrated Silicon Dioxide.
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OPAL RAINBOW RING 3
Lovely Opal Rainbow Ring 3. Great colour and solidly crafted .925 Silver Ring for sale. Stunning high rainbow colours in several directions, mostly green. Hand made in NSW from solid Coober Pedy Opal.
Size 8,US or Q, 3.26g.
Stone 1cm x 0.7cm.
SiO2 · nH2O
Hydrated Silicon Dioxide.
Opal has been a popular gem for many centuries and has a very interesting structure. The chemistry of Opal is primarily SiO2 and varying amounts of water. The amount of water varies from 5 -10% and greater. This water can help geologists determine the temperature of the host rock at the time the opal formed.
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