Tumble Polished Prehnite PRT106 polished jasper Approximate dimensions at widest points

Approximate dimensions at widest points 100 mm  x 50 mm  x 50 mm thick

SU158  Sunset Jasper rough rock

Dimensions at widest points approximately 115 mm x 75 mm x 40 mm thick

CH444  Chrysoprase  slab polished  on one side

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

Tumble Polished Prehnite PRT106 polished jasper Approximate dimensions at widest pointsPRT106 Tumble polished Prehnite from Western Australia. Dimensions at widest points approximately 60 mm x 50 mm x 22 mm thick Weighs 116 grams From the Kimberley region of Western Australia.