Opal Freeform - Height: 70 mm - Width: 47 mm- 46 g - (1)

Freeform mounted on a Boulder opal chain from Koroit, Queensland.
Weight: 46 grams.
The stone measures 70 x 47 x 10 mm.

Koroit opals belong to the Boulder opal family and are extremely rare. They formed from silica-rich water deposits that became trapped inside iron minerals called Matrix.
Koroit opals are highly sought after for their intricate patterns where earth tones and crystal colors blend into wonderful structures that have inspired Aboriginal art since prehistoric times, and for this reason they are referred to as "tribal patterns".
Australian Boulder opals are a gemstone that increases in value over time and will add prestige to your collection.