US$ 22.00
160 mm x 110 mm x 8 mm
Large reserves of this stone occur in Western Australia
AMU101 Amethyst geode from Artigas
CC119 Chrome chalcedony slab
The green colouration is caused by traces of nickel and/or chromium
Polished fossil stromatolite slab. Conophyton garganicum australe. CPH119 polished snakeskin jasper 160 mm x 110 mmCPH119. 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.
US$ 22.00
US$ 39.90
US$ 32.00
US$ 38.00
US$ 39.90