ussingite
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Ussingite — is a mineral named for Niels Viggo Ussing (1864 1911), Copenhagen, Denmark. Chemical Formula Na2AlSi3O8(OH) Composition Molecular Weight = 302.22 gm Sodium 15.21 % Na 20.51 % Na2O Aluminum 8.93 % Al 16.87 % Al2O3 Silicon 27.88 % Si 59.64 % SiO2… … Wikipedia
ussingite — us·sing·ite … English syllables
ussingite — ˈəsiŋˌīt noun ( s) Etymology: Danish ussingit, from Niels V. Ussing died 1911 Danish mineralogist + Danish it ite : a mineral Na2AlSi3O8(OH) consisting of a basic sodium aluminum silicate related to the zeolites and occurring in reddish violet… … Useful english dictionary
Niels Viggo Ussing — (1864–1911), Professor of Mineralogy, University of Copenhagen, Denmark. The mineral Ussingite is named after this Professor. References Ussingite: Ussingite mineral information and data. Polytech Photos Scientific photodatabase External links … Wikipedia
List of minerals U-Z (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… … Wikipedia
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Neptunite — Catégorie IX : silicates[1] Neptunite sur natrolite San Benito Californie (2,5 … Wikipédia en Français
