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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
From near Wiluna in Western Australia
SPF129 Fossil stromatolite
120 mm x 70 mm x 45 mm thick
Dimensions at widest points approximately 120 mm x 60 mm x 30 mm thick
Total weight of both is 255 grams
Polished Porphyry . PO 118 polished prehnite From near Wiluna in WesternPO118. Pink porphyry slab, cut and polished on one side. From our mining claim at Mindoolah, Western Australia. Dimensions at widest points approximately 180 mm x 95 mm x 12 mm thick. Weighs 384 grams. Porphyry is a general term that is used rather loosely for igneous rocks which contain relatively large isolated crystals set in a fine grained groundmass. The porphyry pictured here has pinkish coloured clinozoisite crystals set in a ground mass of