Azurite Sun AZ134 petrified wood Dimensions at widest points approximately

Dimensions at widest points approximately 115 mm x 55 mm x 30 mm thick

Weighs 79 grams

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

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

POT131  Tumble polished Pink Opal from Mooka Creek

Azurite Sun AZ134 petrified wood Dimensions at widest points approximatelyAZ134 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.