Mookaite rough. MKR 238 magnesite Porphyry is a general term
Yard notes & kiln story
Description
Mookaite rough. MKR 238 magnesite 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 110 mm x 95 mm x 70 mm thick