Polished Magnesite specimen. MAP190 Citron chrysoprase Dimensions at widest points approximately

Dimensions at widest points approximately 70 mm x 45 mm x 30 mm thick

Approximate weight of each piece is between 8 and 42 grams

VV108  Vivianite nodule cut in half with face polished

170 mm x 80 mm x 55 mm

180 mm x 105 mm x 30 mm thick

Polished Magnesite specimen. MAP190 Citron chrysoprase Dimensions at widest points approximatelyMAP190. Magnesite (Lemon chrysoprase) rough rock (nodule), cut and polished on one side with a natural back. Dimensions at widest points approximately 90 mm x 55 mm x 35 mm thick. Weighs 231 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.