Andamooka Matrix Opal Slab Slice - 108 Carat Matrix Large gray spherical concretion with

Large gray spherical concretion with one side exposed to reveal the internal shrinkage fractures that are lined with iridescent Pyrite microcrystals

Beautiful chevron amethyst tower with deep purple colors

polished to perfection

layered structure

with unique bands and inclusions that make each piece one-of-a-kind

Andamooka Matrix Opal Slab Slice - 108 Carat Matrix Large gray spherical concretion with**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