Description
Dimensions at widest point approximately 100 mm x 90 mm x 10 mm
CC147 Chrome chalcedony slab
170 mm x 125 mm x 9 mm
15 - 20 mm across
55 mm x 50 mm x 15 mm
Polished Magnesite slab. MAP199 dendritic opal Dimensions at widest point approximatelyMAP199. Magnesite (Lemon chrysoprase) slab polished on one side. The lime green colouration is caused by the presence of nickel mineralisation. Dimensions at widest points approximately 130 mm x 130 mm x 13. 5 mm thick. Weighs 503 grams. From north of Kalgoorlie, Western Australia.