Polished Lime Magnesite specimen. MAP191 polished prehnite Dimensions at widest points approximately

Dimensions at widest points approximately 135 mm x 50 mm x 50 mm thick

MK457   Mookaite

The matrix that this copper based mineral forms on is kaolinite

180 mm x 150 mm x 8

Weighs 622 grams

Polished Lime Magnesite specimen. MAP191 polished prehnite Dimensions at widest points approximatelyMAP191. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Half of a complete nodule with intense colouration ! Dimensions at widest points approximately 115 mm x 105 mm x 90 mm thick. Weighs 1,735 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.