Glaze is GA6-B Alberta Slip rutile blue base. Fired at cone 6. "Mother Nature's porcelain" has 6% Mason 6600 black stain. This glaze is an amber transparent and on the black porcelain produces a blacker deeper color than a typical transparent.
GA6-B - Alberta Slip Cone 6 Amber Base 2
An amber-colored glaze that produces a clean, micro-bubble-free transparent glass. Works well on brown and red burning stonewares.