OPAL COOBER PEDY
An absolutely stunning Opal from Coober Pedy showing great colours of the rainbow. Almost crystal formation for this large gemstone ready for the most beautiful pendant. This Genuine Natural Australian White Solid Opal comes with certification and valuation. A truly worthwhile investment.
From the South Australian fields of Coober Pedy. This Opal displays a full spectrum of colour in a chaff/flash pattern.
Variety Natural Light Opal type 1
Body Tones Body Tone N8
Hue Clear Strong Tones
Outline Free Shape
Profile Flat Face
Pattern Regular Pattern
Display Good From All Angles
Distribution Over 80%
Inclusions No Inclusions (Clean)
Coober Pedy, South Australia, Australia.
1.37cm x 2.48cm x 0.32cm, 7.6ct.
Opal: SiO2 · nH2O Hydrated Silicon Dioxide.
Opal has been a popular gem for many centuries and has a very interesting structure. The name opal probably is derived from the Sanskrit name for precious stone- upala. Opal is considered a mineraloid because this structure is not truly crystalline. 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.