Polished De Grussa copper ore slab CO133 crystoprase Weight is 190 grams fossil stromatolite It weighs 276 grams POT124
Yard notes & kiln story
Description
Polished De Grussa copper ore slab CO133 crystoprase Weight is 190 grams fossil stromatolite It weighs 276 grams POT124 Weight is 190 grams BJ123 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)