Victorian Pressed Glass Wine Goblet Chalice, Diamond Cut Pattern, UV Reactive Manganese Glass, Late 19th Century, 14 cm

An authentic late Victorian clear pressed glass wine goblet, featuring a diamond-cut pattern and a distinctive reaction to ultraviolet light. The glass exhibits a characteristic pale green fluorescence under 365nm UV light, confirming its historical formulation and age.

In the late 19th century, glass manufacturers utilized manganese dioxide as a decolorizer to neutralize iron impurities in silica sand and achieve optimal clarity. This chemical composition is a hallmark of genuine Victorian and Early American Pattern Glass (EAPG). When exposed to short-wave or mid-wave ultraviolet light, the manganese content fluoresces, serving as a reliable physical marker of authenticity for collectors of antique glassware.

* Period: Late Victorian era, circa 1880–1900.
* Technique / Style: Pressed glass with geometric cross-hatch (diamond) and panel motifs, octagonal molded stem and foot.
* Size: Height: 14 cm (5.5 inches), Width: 8.5 cm (3.3 inches), Depth: 8.5 cm (3.3 inches).
* Material: Heavy decolorized flint glass (manganese-bearing glass).
* Condition: Excellent antique condition. The glass retains high clarity with minor manufacturing characteristics typical of the period, such as faint mold lines and tiny air bubbles. No chips, cracks, or structural restorations detected.

This goblet is a significant specimen for collectors of antique EAPG, Victorian tableware, and UV-reactive glass. Its sturdy pressed construction and historic chemical signature make it both a functional display piece and an educational artifact of late 19th-century industrial glassmaking.