6.9ct Solid Andamooka Matrix Opal Ring 'Stardust Summer' | 925 Sterling Silver | Solid Australian Opal 15. Matrix Opal the nature-inspired design adds a

the nature-inspired design adds a whimsical

the only treated opal we sell is Andamooka Matrix Opal — genuine

greens and oranges shimmer like sunlight deep in the ancient gorges of Karijini

Wilsons Promontory Prism ~ A spectrum of colour sparkles through silver — beautiful

straight from the Australian Outback

6.9ct Solid Andamooka Matrix Opal Ring 'Stardust Summer' | 925 Sterling Silver | Solid Australian Opal 15. Matrix Opal the nature-inspired design adds aStardust Summer ~ Sparkling like a colourful star filled sky on a clear evening.. Ring Size 7. 5 (O) Please Note: This is a Treated Matrix Opal. What is Sugar Treatment? Matrix opal features opal within its host rock. To enhance its colours, the stone is soaked in a sugar solution then heated in acid, darkening the matrix and creating a vivid contrast that brings out the opal's natural brilliance. This process is used exclusively on Matrix opal. Why