Polished fossil stromatolite slab. Conophyton garganicum australe. CPH119 polished snakeskin jasper Large reserves of this stone

Large reserves of this stone occur in Western Australia

66 mm x 31 mm x 6 mm thick dome

From north of Kalgoorlie

BA105  Polished Brazilian Agate slab

The green colouration is caused by traces of nickel and/or chromium

Polished fossil stromatolite slab. Conophyton garganicum australe. CPH119 polished snakeskin jasper Large reserves of this stoneCPH119. Fossil stromatolite slab polished on one side. Displays excellent cross section of circular columns ! Conophyton garganicum australe from the Mesoproterozoic "Top Camp Formation". Age is approx. 1. 0 1. 6 billion years. From the Ashburton region in Western Australia. Approx. 265 mm x 220 mm x 14 mm thick . 1,998 grams.