Polished Magnesite slab. MAP175 crystophase Sometimes it exhibits striking contrasting

Sometimes it exhibits striking contrasting veins of magnesite

Approximate dimensions at widest points 90 mm long  x 65 mm  x 45 mm thick

CH412  Chrysoprase cut and polished  on one side with a rough

Rough rock with natural back

CC157  Chrome chalcedony slab

Polished Magnesite slab. MAP175 crystophase Sometimes it exhibits striking contrastingMAP174. Magnesite (Lemon chrysoprase) slab polished on one side. The subtle lime green colouration is caused by the presence of nickel mineralisation. Dimensions at widest points approximately 120 mm x 65 mm x 8 mm thick. Weighs 62 grams. Skin of chrysoprase on this one ! From north of Kalgoorlie, Western Australia.