Andamooka Matrix Opal Slab Slice - 114 Carat Chocolate Calcite Russian rainbow pyrite is a

Russian rainbow pyrite is a type of pyrite mineral that exhibits a unique iridescent coloration

and glows purple in daylight

Choose from three exquisite obelisks made of the finest magnesium silicate stone

Small size is ~155g/ 2in

Some of the fluorite root material appears as an inclusion

Andamooka Matrix Opal Slab Slice - 114 Carat Chocolate Calcite Russian rainbow pyrite is a**Note** Photos and Video shown are of a WET Andamooka Matrix Opal Slab Slice they will not look this way when dry. No need to keep them wet. While the matrix is natural, these should be considered as sugar treated, which turns the matrix black and brings out the color of the Opal. This is common accepted for this material So, if you're into opals, you'll love these. They're small slabs of genuine Andamooka opalthat's one of the legendary spots in