Polished Magnesite specimen. MAP188 brecciated Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm x 85 mm x 9 mm thick

Dimensions at widest points approximately 95 mm x 90 mm x 8 mm thick

MC109 Marillana Conglomerate slab

Dimensions at widest points approximately 180 mm  x 70 mm wide x 7 mm thick

POT123  Tumble polished Pink Opal from Mooka Creek

Polished Magnesite specimen. MAP188 brecciated Dimensions at widest points approximatelyMAP188. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 120 mm x 50 mm x 60 mm thick. Weighs 840 grams. Thick enough to cut more slices or leave intact as a display specimen ! The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.