Polished Magnesite slab. MAP153 microbialite 120mm x 100mm x 30-50mm

120mm x 100mm x 30-50mm thick

Weighs 132 grams

Weighs 945 grams

Dimensions approximately 160 mm x 80 mm x 8 mm thick

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

Polished Magnesite slab. MAP153 microbialite 120mm x 100mm x 30-50mmMAP153. 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.