US$ 13.00
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
Weighs 360 grams
Weighs 292 grams
Dimensions approximately 150 mm x 120 mm x 10 mm thick
Pollucite polished slab POL118 stand-up Porphyry is a general termPOL118. Pollucite slab, polished on one side. Translucent ! Dimensions at widest points approx. 150 mm x 110 mm x 10 mm thick. Weighs 354 grams. From near Norseman, Western Australia
US$ 13.00
US$ 24.95
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