Silicate+of+zinc
61luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …
62Clinohedrite — Clinodehrite Clinohedrite coating hardystonite, franklinite with willemite reaction rims. Franklin, New Jersey. Orange fluorescence under UV. General Category Silicate mineral …
63Dental cement — Dental cements are hard, brittle materials formed by mixing powder and liquid together. They are either resin cements or acid base cements. In the latter the powder is a basic metal oxide or silicate and the liquid is acidic. An acid base… …
64Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
65Hemimorphite — Infobox mineral name = Hemimorphite category = boxwidth = boxbgcolor = imagesize = caption = Hemimorphite from Mapimi, Durango, Mexico formula = Zn4Si2O7(OH)2 middot;H2O molweight = color = White, blue, greenish habit = Polar crystals, with… …
66Willemite — Infobox mineral name = Willemite category = boxwidth = boxbgcolor = imagesize = caption = Willemite with franklinite from New Jersey formula = Zinc silicate (Zn2SiO4) molweight = color = Blue to Green habit = system = Rhombohedral twinning =… …
67E number — This article is about the food additive codes. For other uses, see E number (disambiguation). E numbers are number codes for food additives that have been assessed for use within the European Union (the E prefix stands for Europe ).[1] They are… …
68Wood preservation — All measures that are taken to ensure a long life of wood fall under the definition wood preservation (timber treatment). Apart from structural wood preservation measures, there are a number of different (chemical) preservatives and processes… …
69thorium processing — Introduction preparation of the ore for use in various products. Thorium (Th) is a dense (11.7 grams per cubic centimetre), silvery metal that is softer than steel. It has a high melting temperature of approximately 1,750° C (3,180°… …
70Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …
