Pyrometric Cones, Self-Supporting (Orton Ceramics) acid free Amazonite Genuine

Amazonite Genuine

It maintains chroma in tints

Pigment: PBk9/PR101/PW6

Stir well before each use

Iridescent Sunstone

Pyrometric Cones, Self-Supporting (Orton Ceramics) acid free Amazonite GenuinePyrometric 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