Webˈflint 1 : a massive hard dark quartz that produces a spark when struck by steel 2 : an implement of flint used in prehistoric cultures 3 a : a piece of flint b : a material used for producing a spark especially : an alloy (as of iron and cerium) used in lighters 4 : something resembling flint in hardness flintlike ˈflint-ˌlīk adjective WebLead oxide being added to the mixture a dense, very brilliant, but soft glass (flint glass) results. "A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public" by …
Understanding Glass - Types, Properties and Fabrication
WebFlint is one of several sedimentary types of quartz, and a mineral that is typically categorized as chert – the rock used to create chalk and limestone. Flint usually appears in nuggets, which are graphite grey or darker; … WebApr 11, 2024 · The initial value of sulfites was 20 ppm. Standard 0.75 L Antique Green and Flint glass bottles were used for this research work. 2.2. Intensive irradiation equipment set-up ... although to a greater extent in wines treated in Flint bottles. These results mean that the irradiation induced a loss of red color, which agrees with the decrease in ... early man bbc one
flint glass definition English definition dictionary Reverso
WebFlint is very hard, and this means that its edges can be incredibly sharp and resistant to wear. But just as important is its structure. It is mostly a silicon dioxide, as is sandstone or glass, but it has what is known as a crypto-crystalline structure. WebFlint glass Glass Dictionary Definition A misnomer for English and American lead glass. The term came into use in 1674, when George Ravenscroft’s new glass formula included ground, calcined flint as a source of silica. In the 18th and 19th centuries, the term was applied to decolorized glass, even when it contained no flint. Example: cstring setat 使い方