Polished Lime Magnesite specimen. MAP207 toredo DO198 Dendritic Opal slab polished

DO198  Dendritic Opal slab polished on one side

From the Kimberley region of Western Australia

Sections consist of a chaotic mixture of dolomite and/or stromatolite fragments set in a matrix of mudstone and/or coarsely crystalline dolomite

Weighs 262 grams

Dimensions approximately 100 mm x 85 mm x 8 mm thick

Polished Lime Magnesite specimen. MAP207 toredo DO198 Dendritic Opal slab polishedMAP207. 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.