Polished Dendritic Opal slab DO230 Kumarina Dimensions at widest points approximately

Dimensions at widest points approximately 290 mm x 165 mm x 10 mm thick

An interesting geological specimen with exterior displaying dessication cracks

Dimensions at widest points approximately 70 mm x 35 mm x 30 mm thick

70 mm x 45 mm  x 11 mm

Dimensions at widest points approximately 140 mm x 65 mm x 25 mm thick

Polished Dendritic Opal slab DO230 Kumarina Dimensions at widest points approximatelyDO230 Dendritic Opal slab, polished on one side . This variety also called "Merlinite" Dimensions at widest points approximately 160 mm x 65 mm x 10 mm thick Weighs 169 grams From our mining claims near Ora Banda in the Eastern Goldfields region of Western Australia.