White Opal Astro Gem (AS-510)
Astro Gems™ are an underglaze-based textural glaze that contains tiny crystals. When fired, Astro Gem™ crystals provide jewel-like spots on the matte surface of the glaze. May be applied to both green-ware and bisque.
Cone 06: White Opal is a white matte underglaze base with small white crystals that fire glossy.
Comes in a 4oz jar.