Opal Cabochons - Height: 60 mm - Width: 40 mm- 50 g - (1)

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Antonio Rapisarda
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Selected by Antonio Rapisarda

Holds a master’s in chemistry with 25 years’ experience in minerals consulting.

Estimate  € 150 - € 200
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Opal Boulder Koroit cabochon pendant from Queensland, Australia, mounted on a chain, weighing 50 g and measuring 60 × 40 × 11 mm.

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Description from the seller

Pendant mounted on a chain of Australian Boulder opal from Koroit, Queensland.

Weight 50 grams / 250 carats

Koroit opals belong to the Boulder opal family and are extremely rare. They formed through silica-rich water deposits that became trapped inside iron minerals called Matrix.

Koroit opals are highly sought after for their intricate patterns where the colors of the earth and the crystals blend into wonderful structures that have inspired Aboriginal art since prehistoric times, and for this reason they are called "tribal patterns".

Australian Boulder opals are a gemstone that gains value over time and will add prestige to your collection.

Pendant mounted on a chain of Australian Boulder opal from Koroit, Queensland.

Weight 50 grams / 250 carats

Koroit opals belong to the Boulder opal family and are extremely rare. They formed through silica-rich water deposits that became trapped inside iron minerals called Matrix.

Koroit opals are highly sought after for their intricate patterns where the colors of the earth and the crystals blend into wonderful structures that have inspired Aboriginal art since prehistoric times, and for this reason they are called "tribal patterns".

Australian Boulder opals are a gemstone that gains value over time and will add prestige to your collection.

Details

Number of objects
1
Main mineral
Opal
Mineral form
Cabochons
Weight
50 g
Origin (region/city)
Queensland
Country of origin
Australia
Height
60 mm
Width
40 mm
Depth
11 mm
ItalyVerified
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