41.35cts Stunning Koroit Opal With Amazing Polish

This opal is from Koroit, central Queensland. These stones have a fantastic polish on them and are left free form shape. The opal colour is very bright and very vivid.

Koroit opal is famous for it’s unique patterns and beautiful flashing colours formed inside the ironstone.

Size: 33 x 20 mm

Weight: 41.35 cts

Brightness: 4