fluorspar

How To Use fluorspar In A Sentence

• Crystals of calcium fluoride (CaF2), also known as fluorite and fluorspar, are used to make lenses to focus infrared light. CreationWiki - Recent changes [en]
• These chemists electrolyse either pure calcium chloride, or a mixture of this salt with fluorspar, in Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
• The mining of nonmetallic ores - fluorspar, witherite, and barite (known locally as baryte) - in the Northern Pennines began about the time lead and iron mining were in serious decline.
• The EU, U.S. and Mexico have lodged a complaint at the WTO alleging that China restricts exports of nine key raw materials, including coke, bauxite, fluorspar and magnesium. EU: China Must Open Procurement Market
• The mining of nonmetallic ores - fluorspar, witherite, and barytes (commercial barite ore) - in the northern Pennines began about the time lead and iron mining were in decline.
• They argue that the planning permission allows Bleaklow Industries to extract only the minerals of fluorspar, barytes and lead from the site and not large quantities of limestone.
• Accuracy and precision of method meets requirements of commodity inspection and the proposed method has been applied to the inspection of the export fluorspar.
• The aluminium in the form of a fine powder is mixed with the metallic oxide, together with some substance such as fluorspar to act as a flux. An Elementary Study of Chemistry
• Night Pearl is a kind called "fluorspar" in the ore, phosphorus and other substances absorb light, the issue will be in the dark fluorescent or phosphorescent, the ancients that mysterious, known as "Night All Kinds of Rocks, Fossils & Minerals
• In an interview with USGS's Stephen Peters published at the same time on the same site, Peters says there are "Known deposits of asbestos, mercury, lead, zinc, fluorspar, bauxite, beryllium, and lithium. Paul Jay: U.S. Knew About Afghan Mineral Bonanza in 2007