Polished Dendritic Opal slab DO238 Kumarina Dimensions at widest points approximately

Dimensions at widest points approximately 190 mm x 75 mm x 10 mm thick

Dimensions at widest points approximately 140 mm x 130 mm x 80 mm thick

We only ever found a few pieces like this out of many hundreds of tons

AZ159  Azurite sun mineral specimen

The lime green colouration is caused by the presence of nickel mineralisation

Polished Dendritic Opal slab DO238 Kumarina Dimensions at widest points approximatelyDO238 Dendritic Opal slab, polished on one side . This variety also called "Merlinite" Dimensions at widest points approximately 245 mm x 95 mm x 13 mm thick Weighs 503 grams From our mining claims near Ora Banda in the Eastern Goldfields region of Western Australia.