Polished Lime Magnesite specimen. MAP200 polished crazy lace DO178 Dendritic Opal slab polished

DO178  Dendritic Opal slab polished on one side

Approximate dimensions at widest points 90 mm  x 50 mm  x 50 mm thick

Dimensions at widest points approximately 150 mm x 70 mm x 50 mm thick

Dimensions at widest points approximately 120 mm x 75 mm x 80 mm thick

Weighs 510 grams

Polished Lime Magnesite specimen. MAP200 polished crazy lace DO178 Dendritic Opal slab polishedMAP200. 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 100 mm x 100 mm x 60 mm thick. Weighs 797 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.