Polished Magnesite slab. MAP182 Orbicular Granite From Mooka Creek near the

From Mooka Creek near the Kennedy Ranges

From our mining claim in the Pilbara region

13 mm thick

Porphyry is a general term that is used rather loosely for  igneous rocks which contain relatively large isolated crystals set in a fine-grained groundmass

130 mm high  x 95 mm x 8

Polished Magnesite slab. MAP182 Orbicular Granite From Mooka Creek near theMAP182. 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 80 mm x 60 mm x 14 mm thick. Weighs 130 grams. From north of Kalgoorlie, Western Australia.