610 cts Australian Boulder Opal Rough Parcel

Item description

Weight:  610 carats

Dimensions: L 33.8-44.6 mm x W 23.8-44.0  mm x H 9.1-14.3 mm

Colour: Blue

Quantity: 5 Stones

Origin: Australia

Uses: Pendant for Ring Gold or Silver Mounting

Gemstone: Australian Rough Boulder Opal 

Uses: Mineral Collection

Treatments: None

Water is sprayed on the opal to simulate a polished stone