Australian Polished Boulder Opal Stone – 40ct weight #03

Australian Polished Boulder Opal small specimen stone

Country of Origin: Queensland, Australia

10-point scale of mineral hardness: 5.5 – 6.0 (10 – Hard, 1 soft)

Quantity: 1 Boulder Opal stone. You will receive the exact gemstone shown in the photos. We have tried to capture the beautiful colour tones as best we can in a photograph.

Size: approx 0.5cm x 3.4cm x 2.2cm

Weight: 8.1 grams, 40 carats

Double sided flashes of colour

Care has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.

Treatment: Polished

These stones can be used as cabochons. Each has its own unique shape and patterns.

These stones are cut and polished from natural opal stone. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.

Boulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock.