Pay in 4 interest-free payments of $5.88 Learn more
Ships within 48 hours · Estimated delivery Nov 6 - Nov 11
Iridescent Sunstone
Stir well before each use
It maintains chroma in tints
It’s a sooty by-product of burned mineral oil and tar
Most underglazes
Pyrometric Cones, Self-Supporting (Orton Ceramics) acid free Iridescent SunstonePyrometric Cones, Self Supporting Pyrometric Self 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. Self Supporting Cones are