Polished Magnesite specimen. MAP190 Citron chrysoprase Weighs 772 grams

Weighs  772 grams

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

Dimensions at widest points approximately 145 mm x 130 mm x 55 mm thick

form of Pseudogymnosolenid type

VV108  Vivianite nodule cut in half with face polished

Polished Magnesite specimen. MAP190 Citron chrysoprase Weighs 772 gramsMAP190. 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.