- labradorite feldspar
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лабрадор
English-Russian dictionary of geology. 2011.
labradorite feldspar
Смотреть что такое "labradorite feldspar" в других словарях:
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 spar , Feldspath Feld spath , n. [G. feldspath; feld field + spath spar.] (Min.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta.… … The Collaborative International Dictionary of English
Labradorite — ((Ca,Na)(Al,Si)4O8), a feldspar mineral, is an intermediate to calcic member of the plagioclase series. It is usually defined as having %An (anorthite) between 50 and 70. The specific gravity ranges from 2.71 to 2.74. The streak is white, like… … Wikipedia
Labradorite — Lab ra*dor ite, n. (Min.) A kind of feldspar commonly showing a beautiful play of colors, and hence much used for ornamental purposes. The finest specimens come from Labrador. See {Feldspar}. [1913 Webster] … The Collaborative International Dictionary of English
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
labradorite — labradoritic /lab reuh daw rit ik/, adj. /lab reuh daw ruyt , lab reuh dawr uyt/, n. a feldspar mineral of the plagioclase group, often characterized by a brilliant change of colors, with blue and green most common. [1805 15; named after LABRADOR … Universalium
labradorite — noun Etymology: Labrador Peninsula, Canada Date: 1814 an iridescent feldspar used especially in jewelry … New Collegiate Dictionary
labradorite — noun A plagioclase feldspar, the fourth member of the Albite Anorthite solid solution series. Often very coarsely crystalline, it is used as a decorative stone for carvings and building façades. Crystal surfaces often show a bluish reflection… … Wiktionary
labradorite — n. feldspar mineral which is generally bright blue or green in color … English contemporary dictionary
labradorite — [ˌlabrə dɔ:rʌɪt] noun a mineral of the plagioclase feldspar group, found in many igneous rocks … English new terms dictionary
labradorite — lab•ra•dor•ite [[t]ˈlæb rə dɔˌraɪt[/t]] n. mir a feldspar mineral of the plagioclase group often showing a brilliant play of mostly blue and green colors • Etymology: 1805–15; after Labrador, where first discovered; see ite I … From formal English to slang
