Antonio Rapisarda

Decorative Minerals Auction (A journey from the mines to your home)

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.

Ciondolo montato su catenella di opale Boulder Koroit australiano proveniente dal Queensland.
Peso 50grammi / 250 carati 

Gli opali Koroit appartengono alla famiglia degli opali Boulder e sono estremamente rari.  Si sono formati attraverso dei depositi di acqua contente silice che sono rimasti intrappolati dentro a dei minerali ferrosi detti Matrix.
Gli opali Koroit sono molto ricercati per i loro pattern intricati dove i colori delle terre e dei cristalli si fondono in meravigliose strutture che hanno ispirato fin dalla preistoria l' arte aborigena e per questo motivo vengono chiamati "tribal patterns".
Gli opali boulder australiani sono una pietra preziosa che guadagna valore col tempo e aggiungerà prestigio alla vostra collezione.

Our expert provides this estimate to guide you when you’re bidding. It’s based on expected demand and the unique characteristics of the object, like quality, rarity, or ownership history. We can’t guarantee the object will sell, resell or be appraised for this amount.

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

Queensland, Australia

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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.

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

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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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