Polished Killaloe Opal rock KO130 black conglomerate Dimensions at widest points approximately

Dimensions at widest points approximately 135 mm x 60 mm x 8

Dimensions at widest points approximately 200 mm x 115 mm x 50 mm thick

Studies have shown that these are probably the oldest agates in the world with an age in excess of 2 billion years

115 mm x 50 mm x 15 mm thick at widest points

Polished Killaloe Opal rock KO130 black conglomerate Dimensions at widest points approximatelyKO130 Killaloe Opal rough rock, cut and polished on one side with a rough, naturally weathered back. Dimensions at widest points approximately 160 mm x 160 mm x 85 mm thick Weighs 2,632 grams Killaloe Opal occurs at a location near Norseman in the Eastern Goldfields of Western Australia.