Polished Magnesite slab. MAP153 microbialite Weighs 945 grams

Weighs 945 grams

Dimensions approximately 160mm x 65mm x 10mm thick

4 billion years

The quartz epidote axinite mineralisation was evidently caused by hydrothermal activity related to the doleritic sills which are in close proximity to the occurrence

Dimensions approximately 160 mm x 80 mm x 8 mm thick

Polished Magnesite slab. MAP153 microbialite Weighs 945 gramsMAP153. 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 145 mm x 80 mm x 7. 5 mm thick. Weighs 170 grams. From Yerilla, north of Kalgoorlie, Western Australia.