Polished Porphyry PO 129 Orbicular Granite 70 mm x 60 mm

70 mm x 60 mm x 25 mm thick

Dimensions at widest points approximately 160 mm x 70 mm x 60 mm thick

Dimensions at widest points approximately 130 mm x 80 mm x 80 mm thick

Dimensions at widest points approximately 155 mm x 120 mm x 12 mm thick

Polished Porphyry PO 129 Orbicular Granite 70 mm x 60 mmPO129. Pink porphyry rock, cut and polished on one side with a rough, natural back and a cut base to sit as a display specimen. From Mindoolah, Western Australia. Dimensions at widest points approximately 110 mm x 90 mm x 45 mm thick. Weighs 620 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