Polished Magnesite slab. MAP176 stromatolite 105 mm x 55 mm

105 mm x 55 mm  x 9 mm

SU173  Sunset Jasper slab

From the Greenbushes mine in southern Western Australia which is the largest operating lithium mine in the world

Dimensions at widest points approximately 230 mm  x 105 mm wide x 60 mm thick

180 mm x 105 mm x 30 mm thick

Polished Magnesite slab. MAP176 stromatolite 105 mm x 55 mmMAP176. Magnesite (Lemon chrysoprase) slab polished on one side. The subtle lime green colouration is caused by the presence of nickel mineralisation. Dimensions at widest points approximately 170 mm x 50 mm x 11 mm thick. Weighs 193 grams. Chrysoprase on one end ! From north of Kalgoorlie, Western Australia.