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"Uranium glass jewelry can come in pretty much any color, even red and blue," she says. But, she cautions, resin, acrylic, and plastic have polymers in them that make them glow.
Fordite, also known as Detroit agate, Motor City agate, [1] paint rock, or paint slag, [2] is a lapidarist term for polished pieces of finely layered paint masses from automobile factories. The masses consist of automotive paint which has hardened sufficiently to be cut and polished.
A slag by-product of such workings was a colorful, glassy material found on the surfaces of slag from ancient copper foundries. It was primarily blue or green and was formerly chipped away and melted down to make glassware products and jewelry. It was also ground into powder to add to glazes for use in ceramics.
The Tara brooch was likely made for a High King of Ireland or a dignitary or cleric, probably from the Kingdom of Brega, a branch of the Uí Néills, who ruled over much of today's Leinster. The owner would have worn it on ceremonial occasions. [7] [8] Gilt and silver zoomorphic brooches were status symbols in Early Medieval Ireland
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Crackled glass was glass filled with webs of small cracks and fissures, refracting light and causing the glass to have a sparkling effect. [1] Émaux-Bijoux was a technique invented by Emile Gallé. Translucent layers of enamel were built up in layers and then fused to a foil of precious metal, which was then heated and attached to the outside ...
High-quality Mosan 12th century armlet, somewhat damaged, so showing the cast recesses for the enamel. Champlevé is an enamelling technique in the decorative arts, or an object made by that process, in which troughs or cells are carved, etched, die struck, or cast into the surface of a metal object, and filled with vitreous enamel.
In a smelting furnace, up to four different phases might co-exist. From the top of the furnace to the bottom, the phases are slag, matte, speiss, and liquid metal. [3] Slag can be classified as furnace slag, tapping slag or crucible slag depending on the mechanism of production. The slag has three functions.