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BM294 Brecciated Mookaite slab
Each piece approximately 4 - 5
CC155 Chrome chalcedony slab
The interesting cylindrical cavity on the right hand side is all that remains of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body
Polished Porphyry PO 129 Rough rock BM294 Brecciated Mookaite slabPO129. 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
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US$ 21.95
US$ 21.95
US$ 21.95