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PU129 Purple Chalcedony slab
Weighs: 203 grams
Weighs 279 grams
Dimensions at widest point approximately 140 mm x 95 mm x 15 mm
pale blue cleavelandite and pollucite
Polished Lime Magnesite specimen. MAP201 lepidolite PU129 Purple Chalcedony slabMAP201. 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 85 mm x 60 mm x 50 mm thick. Weighs 430 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.