Description
TI212 Tiger Iron slab
210 mm x 160 mm x 12 mm thick
It was collected many years ago from a large open cut gold mine at Reedys near Cue in Western Australia
At widest points approx
DO153 Dendritic Opal rough rock
Polished Porphyry . PO 123 Green Opal TI212 Tiger Iron slabPO123. Pink porphyry slab, cut and polished on one side. From Mindoolah, Western Australia. Dimensions at widest points approximately 140 mm x 80 mm x 8. 5 mm thick. Weighs 188 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 dolerite. The