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Aug 18, 2020 · Adding to the beauty of slag glass – also known as malachite glass, marble glass, and mosaic glass – is its rich history that reflects the ingenuity of turn-of-the-century glassmakers. This article strolls through this history and highlights some of its most popular forms for those who want to surround themselves with exceptional slag glass ...
Slag glass, also commonly known as Malachite glass, is pressed glass made in the same way as Milk glass, but with coloured streaks to create a marble effect. Many of the same designs for milk glass were also produced in slag glass.
Slag glass is commonly found in purple, less common in blue and brown and green. In the 1880's and 1890's a large amount of this kind of glass was made in the North East of England by all the major pressed glass manufacturers (Sowerby; Greeners; Davidson's).
Aug 4, 2021 · Slag glass is an unfortunate name for glass, often beautifully coloured, that is a by-product of metal ore smelting processes. Metal furnace slag can range from glassy to dull and stony in appearance and, when scratched, can range from hard to chalky.
Slag glass is a type of opaque pressed glass that includes colorful streaks that create a marbled effect. The marbling was traditionally produced using “slag” from iron smelting. Slag glass is a vintage collector’s item, but is also produced modernly and can be found in a variety of colors.
Oct 29, 2019 · The first pressed glass pieces that collectors refer to as "slag glass" were made in the 1890s, using the glass-like by-product of iron ore known as—you guessed it—slag. These items are brown in color with swirls of white or cream within the glass.
Jul 28, 2020 · What Is Slag Glass Made Of? Slag glass is created by using pulverized silicate slag, an ingredient that forms on the top of molten iron as it cools down. Slag glass was originally created in the United Kingdom in the 1890s by adding this slag substance during the glass-making process.
