Polished Brecciated Mookaite rock BM279 ashburton agate Porphyry is a general term

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

120 mm x 85 mm x 50 mm

Dimensions approximately 140 mm x 50 mm x 37 mm thick

Earaheedy Group

Dimensions at widest points approximately 110 mm x 90  x 9 mm thick

Polished Brecciated Mookaite rock BM279 ashburton agate Porphyry is a general termBM279 Brecciated Mookaite rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 130 mm x 95 mm x 60 mm thick. Weighs 663 grams. From Mooka Creek close to the Kennedy Ranges, Western Australia. More information about Brecciated Mookaite.