Polished Killaloe Opal slab KO134 chalcedony BJ120 Polished "Black Jade" A

BJ120 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Dimensions at widest points approximately 220 mm x 140  mm x 10 mm thick

Dimensions at widest points approximately 90 mm x 60 mm x 40 mm thick

Fossil stromatolite  polished on one side with natural weathered exterior

95 mm x 60 mm x 40 mm thick

Polished Killaloe Opal slab KO134 chalcedony BJ120 Polished "Black Jade" AKO134 Killaloe Opal slab, cut and polished on one side. Dimensions at widest points approximately 180 mm x 70 mm x 13 mm thick Weighs 264 grams Killaloe Opal occurs at a location near Norseman in the Eastern Goldfields of Western Australia.