Polished Chinese Writing Stone slab CW131 snakeskin jasper Dimensions at widest points approximately

Dimensions at widest points approximately 175 mm x 140 mm x 7 mm thick

Weighs 733 grams

It weighs 271 grams

Dimensions at widest points approximately 140 mm x 90 mm x 8 mm thick

CH450  Chrysoprase  slab polished  on one side

Polished Chinese Writing Stone slab CW131 snakeskin jasper Dimensions at widest points approximatelyCW131 Chinese Writing Stone slab, polished on one side. (Porphyritic basalt) Dimensions at widest points approx. 215 mm x 130 mm x 12. 5 mm thick. Weight is 662 grams. Chinese Writing Stone is a porphyritic basalt (porphyry) with groups and rosettes of plagioclase feldspar. From the "Mount Roe Basalt" in the West Pilbara region of Western Australia near Whim Creek.