olivine

Englisch - Türkisch

Definition von olivine im Englisch Türkisch wörterbuch: olivin; (Mineraloji) Olivin: Sarımsı yeşil renkli, cam parıltılı, magnezyum ve demirli silikat, peridot; olivin (mg-fe-silikat minerali)

Englisch - Englisch

Definition von olivine im Englisch Englisch wörterbuch: any of a group of olive green magnesium-iron silicate minerals that crystallize in the orthorhombic system; {i} mineral compound of magnesium iron silicate which usually has an olive-green color; A magnesium iron silicate of which the name is applied to many rocks containing a percentage of the mineral; a green colored variety is highly prized as a gem stone; Silicate mineral containing iron and magnesium A green glassy mineral formed at high temperature Common in basalt, especially ocean-floor basalt, and in ultramafic rocks Gem-quality olivine is called peridote Rock made up entirely of olivine is called dunite; A common name of the yellowish green mineral chrysolite, esp; A very hard, dense mineral which forms yellowish-green to dark olive-green or brown glassy grains or granular masses It is often found in very dark, iron-rich rocks, particularly gabbro and basalt; A silicate mineral with the general formula (Mg,Fe)25i04; Common silicate mineral found in rocks formed from mafic magma Its chemical composition varies between Mg2SiO4 and Fe2SiO4; An important silicate mineral with magnesium and iron [(Mg,Fe)2S04]; A glassy, rock-forming mineral that is olive-green in color It is compositionally (Mg,Fe)2SiO4; a mineral consisting of magnesium iron silicate; a source of magnesium; Any member of a group of common magnesium, iron silicate minerals. Olivines occur in many igneous rocks and are a major constituent of the Earth's upper mantle. They also have been found in some lunar rocks and in many meteorites. Olivine forms yellow to greenish yellow crystals and is sometimes used in making bricks. Transparent green olivine (precious olivine) is called peridot; A yellow-green crystal found in some meteorites, forms the gemstone peridot; A green crystal with complex silicate composition; common in basalts; An olive-green, silicate mineral rich in magnesium and iron It is a common rock-forming mineral in the lower part of the crust and the upper mantle; the variety found in eruptive rocks; chrysolite