Polished Chinese Writing Stone slab CW120 agate Dimensions at widest points approximately

Dimensions at widest points approximately 260 mm x 150 mm and 10 mm thick

BJ118  Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

However this one is special due to it's extreme age as well as inclusions of pyrite scattered throughout

Dimensions at widest points approximately 150 mm x 85 mm x 70 mm thick

Dimensions at widest points approximately 150 mm x 100 mm x 90 mm thick

Polished Chinese Writing Stone slab CW120 agate Dimensions at widest points approximatelyCW120 Chinese Writing Stone slab, polished on one side. (Porphyritic basalt) Dimensions at widest points approx. 115 mm x 110 mm x 10 mm thick. Weight is 280 grams. From near Whim Creek, Western Australia.