barium-anorthite

См. также в других словарях:

• Anorthite — Anorthite[1] Catégorie IX : silicates[2] …   Wikipédia en Français

• Celsiane — Catégorie IX : silicates[1] Celsiane (Plage grise) Mariposa County, Californie …   Wikipédia en Français

• Celsian — is an uncommon feldspar mineral, barium aluminosilicate, BaAl2Si2O8. The mineral occurs in contact metamorphic rocks with significant barium content. Its crystal system is monoclinic, and it is white, yellow, or transparent in appearance. In pure …   Wikipedia

• Feldspar — is the name of a group of rock forming minerals which make up as much as 60% of the Earth s crust.Feldspar. [http://www.ima na.org/about industrial minerals/feldspar.asp What is Feldspar?] Industrial Minerals Association. Retrieved on July 18… …   Wikipedia

• feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… …   Universalium

• celsian — ▪ mineral       an uncommon feldspar mineral, barium aluminosilicate (BaAl2Si2O8), that occurs as hard, light coloured, glassy masses and crystals in association with manganese deposits in contact zones, as at Jakobsberg, Swed.; Tochigi… …   Universalium

• Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …   Wikipedia

• List of chemistry topics — This page aims to list articles related to chemistry. This is so that those interested in the subject can monitor changes to the pages by clicking on Related Changes in the sidebar and on the bottom of the page.This list is not necessarily… …   Wikipedia

• Muscovite — Catégorie IX : silicates[1] Muscovite; sud est de Minas Gerais, Brésil …   Wikipédia en Français