Description
GRN99 Green Opal & Magnesite slab
Dimensions at widest points approximately 190 mm x 110 mm x 85 mm thick
CO119 DeGrussa copper ore rough rock
BJ123 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)
Polished Pilbara Agate PA290 tube agate GRN99 Green Opal & MagnesitePA290 Pilbara Agate , cut and polished on one side with a rough, natural back. Dimensions at widest points are approximately 125 mm x 80 mm x 40 mm. thick. Weighs 823 grams. Studies have shown that these are probably the oldest agates in the world with an age in excess of 2 billion years. They occur in the Maddina Formation in the Pilbara region of Western Australia. From near Nullagine, Pilbara region, Western Australia.
Exchange/Return Notes
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