220 cts Australian Boulder Opal Rough Parcel

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Item description Weight: 220 carats Dimensions: L 25.9 - 44.5 mm x W 15.4 - 24.4 mm x H 5.7 - 9.1 mm Colour: Green/Multi-colour Quantity: 5 Stones Origin: Australia Uses: Pendant f or Ring Gold or Silver Mounting Gemstone: Australian Rough Boulder Opal (Koroit Conglomerate Matrix) Uses: Mineral Collection Treatments: None Treatment: No Water is sprayed on the opal to simulate a polished stone. Show more