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Cut glass wine glass made of lead glass. Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. [1] Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. [2]
The Glencairn glass is made in Poland. [4] The original Glencairn glass is approximately 115 mm (4 + 1 ⁄ 2 in) in height and has been available in three variations: 24% lead crystal, lead-free crystal, and soda-lime glass. [citation needed] The vast majority of glasses in circulation are of the lead-free crystal variety. The soda-lime ...
Cutting glass on a rotary wheel. Rückl Crystal (also known as Nižbor glassworks) is a Bohemian glass factory in the village of Nižbor, about 7 km west from the city of Beroun, Czech Republic. The glass factory produces 24% lead crystal. The major part of its production is focused on export, but some production is for the market in the Czech ...
Cut glass vase. Waterford Crystal is a manufacturer of lead glass or "crystal", especially in cut glass, named after the city of Waterford, Ireland.In January 2009, the main Waterford Crystal manufacturing base on the edge of Waterford was closed due to the insolvency of Waterford Wedgwood PLC, and in June 2010, Waterford Crystal relocated almost back to the roots of glass-making in the city ...
Only glass products containing at least 24% lead oxide may be referred to as "lead crystal". Products with less lead oxide, or glass products with other metal oxides used in place of lead oxide, must be labeled "crystallin" or "crystal glass". [4] In the United States it is the opposite - glass is defined as "crystal" if it contains only 1% lead.
In 1983 a third, highly modern lead crystal plant was founded in Weiden in der Oberpfalz. In 2004 the Nachtmann company was taken over by its rival, the Austrian crystal maker Riedel which now carries its name and brand. As of 2011 the website associated with its name is active and continues sale of fine glass under the Riedel umbrella.