Avon by Fostoria Heart Pattern Goblet 1978 manganese oxide glass SINGLE

Avon by Fostoria Heart Pattern Goblet 1978 manganese oxide glass SINGLE  This listing is for one glass Avon by Fostoria goblets in the Heart pattern, originally produced in 1978. These beauties feature pressed diamond and heart motifs with a delicate beaded border and sturdy ring-stack stems.  The glass measures approximately 7 tall x 3.75 diameter at the rim, with a 3.25 base.  Made of manganese oxide, that glows brilliantly under blacklight  Manganese Glass: In the late 1970s, Fostoria utilized manganese as a clarifying agent to make pressed crystal glass appear perfectly clear and colorless. When exposed to a 365nm UV blacklight in a dark room, this glass will emit a light yellow-green or lime-green iridescent glow