chlorophane

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chlorophane

(klō′rō-fān) [″ + phainein, to show]
A green-yellow pigment in the retina.
References in periodicals archive ?
Spanning over 267 pages "Report on the Chinese fluorine chemicals industry" report covers Chinese fluorite industry developments, Chinese fluorine industry market analysis, Fluorine industry market competition analysis, Fluorine industry products market, Fluorine industry downstream demands analysis, Key Chinese fluorine companies, Fluorine chemical industry investment and prospects.
Fluorite is usually enriched in volcanogenic and vein-type U deposits that are related to igneous rocks [4, 19-21].
Although Mexichem's PVC production is smaller in scale compared with Westlake's, it benefits from the backward integration and diversification of its PVC and fluorite businesses which have a relatively higher component of finished products.
Five samples of fluorite from these localities were studied for this report: four cabochons of 24.5-88.0 ct and one rough piece weighing 15.8 g (Figure 4).
Chapter 1 covers demand for and production of acid and smelting grade fluorite. A detailed overview is given for individual countries.
A team of engineers went to work to solve "a question that seemed impossible because big chemical companies in the United States couldn't do it." But Mexichem engineers did find a solution, and their innovation cut Mexichem's costs by 90 percent, "detonated" growth and transformed the company." We were a company in fluorite that used to sell rocks," del Valle says.
Director Mineral said Khyber, Bajaur and Mohmand Agency contributed 0.24 pc, 3.51 pc and 96.25 pc of Marble production respectively; 14.5 pc 55.62 pc 29.89 pc of coal was extracted from Kurram, Orakzai and FR Kohat; Lime stone was majorly produced in Khyber Agency (55 pc and FR Kohat (29.89 pc while only 0.09 pc in Bajaur Agency; 96pc of the Soap Stone was dredged from Mohmand Agency, 3.28 pc from Khyber Agency and 0.27 pc from Bajaur Agency; 56.15 pc of Chromite was taken out from Mohmand Agency, 42.59 pc from North Waziristan, and 1.26 pc from Bajaur; whereas Fluorite & Verma Kite were dig out only in Khyber Agency; all of Serpentine & Clay in Mohmand Agency; and Manganese & Mica were only extracted in Bajaur Agency.
Both cameras are compact and lightweight and feature Sigma's "F" Low Dispersion (FLD) glass, which performs like fluorite glass and improves lens performance, as well as Super Multi Layer Coating to reduce flare and ghosting.
The fluorite, zinc, lead, and copper mining and processing firm will use the proceeds for working capital and general corporate purposes.
The stone, formed mostly of a fluorite mineral, glows green in the dark and is prized more highly than diamonds in China.
So we negotiated a bit, the staff reminding us that we had not purchased from Superb Minerals in a while; we were tempted with some fine small pieces, including a lovely fluorite ''ball" from Jalgaon.