Polished fossil stromatolite. Strelley Pool Formation SPF134 stitchtite in serpentine BJ141 Polished "Black Jade" A

BJ141  Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Dimensions at widest points approximately 110 mm x 85 mm x 50 mm thick

Tumble polished Beryl

B230  Black Jasper Conglomerate slab

It weighs 220 grams

Polished fossil stromatolite. Strelley Pool Formation SPF134 stitchtite in serpentine BJ141 Polished "Black Jade" ASPF134 Fossil stromatolite . Rough rock with natural back, cut and polished on one side. These are the oldest known fossils on Earth. From the Strelley Pool Formation in the Pilbara region of Western Australia. Age is approx. 3. 4 billion years. Dimensions at widest points approx. 210 mm x 100 mm x 40 mm thick. Weighs 995 grams.