US$ 17.95
Dimensions approximately 140 mm x 115 mm x 8 mm thick
Oldest agates on Earth
120 mm x 90 mm x 50 mm thick at widest points
Face is approximately 110mm x 55mm and 20mm thick
OG173 Orbicular granite slab polished on one side
Polished Magnesite slab. MAP174 stand ups Dimensions approximately 140 mm xMAP174. 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.