Azurite Sun AZ134 petrified wood 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

Dimensions at widest points approximately 130 mm high x 70 mm x 55 mm thick

Weighs 935 grams

Dimensions at widest points approximately 90 mm x 65 mm x 50 mm thick

Each polished face approximately 95mm x 30mm x 30 mm thick

Azurite Sun AZ134 petrified wood Porphyry is a general termAZ134 Azurite sun mineral specimen. Dimensions at widest points for entire specimen approx. 100 mm x 100 mm x 35 mm thick. Weight is 446 grams. The matrix that this copper based mineral forms on is kaolinite. From Malbunka copper mine in Northern Territory, Australia.