Ingredients

Ingredient Amount
Fukushima Feldspar (substitute: Custer Feldspar 57.00
Gray Limestone (substitute: Whiting) 31.50
Ball Clay 11.50
Add Amount
Zirconium Silicate 10.30

Instructions

Published in "Fumiya Mukoyama's Zogan Yusai" by Naomi Tsukamoto, in the Jan/Feb 2010 issue of Pottery Making Illustrated.
Fired to 2264°F (1240°C) in a gas kiln—in an oxidizing atmosphere.