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Black is a glossy obsidian glaze that produces an intensely dark surface and attractive high-fire effects at mid-range temperatures
on red clay it will be a dark blue-green
Rich rust--brown in oxidation
(6)- 5/8" shelves and 1 large post assortment (6 each of 1" thru 6" post)
experience and a pleasure to work
Self Supp Cones ^7 SSB Black is a glossy obsidianSelf Supporting Cones are the most accurate and easiest to use witness cones available. They provide the same information as Orton Large Cones. The advantage of Self Supporting cones is that they are the correct height (1 3 4? exposed above the base) and have the 8 degree bending angle built in. They do not require plaques. Self Supporting cones can be set on any flat surface.
