Polished Lime Magnesite specimen. MAP207 prehnite Approximate dimensions at widest points

Approximate dimensions at widest points 100 mm  x 70 mm  x 55 mm thick

OG188   A matching pair of polished Orbicular Granite halves with natural rough backs

Weight is 219 grams

Weighs 910 gms

Dimensions at widest points approximately 140 mm x 60 mm x 10 mm thick

Polished Lime Magnesite specimen. MAP207 prehnite Approximate dimensions at widest pointsMAP207. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Half of a complete nodule ! Dimensions at widest points approximately 90 mm x 60 mm x 40 mm thick. Weighs 249 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.