Cone 06 oxidation (second photo): White Opal is a white matte underglaze base with small white crystals that fire glossy. Cone 6 oxidation (third photo) Cone 06 oxidation (fourth photo): Golden Sand is an off-white matte underglaze base with tiny tan crystals that fire glossy. Cone 6 oxidation (fifth photo) Cone 06 oxidation (sixth photo): Black Diamond is a black matte underglaze base with small black crystals that fire glossy. Cone 6 oxidation (seventh photo)

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