Tag: lead glass

On Cobalt in the Old Russian Lead Glass

The goal of this study is to look at all of the known examples of cobalt use in Old Russian lead glass and estimate the availability of cobalt blue in pre-Mongolian times. The use of cobalt was extremely unusual in Old Russian glassmaking, which began in the eleventh century...
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A Brief Study on Tin in the Old Russian Lead Glass

Lead glass, which was commonly used in mediaeval Russia, particularly during the pre-Mongolian period X-XIII cen., for the fabrication of objects, primarily bracelets, is usually accompanied with tin with exceptionally low percentage. Despite the fact that tin is not a native contaminant in lead ores, it is clearly incorporated...
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