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allanite

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Allanite - Wikipedia
Allanite (also called orthite) is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare-earth elements . The mineral occurs mainly in metamorphosed clay-rich sediments and felsic igneous rocks. en.wikipedia.org
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Allanite-(Ce): Mineral information, data and localities.
A common accessory mineral in many igneous rocks, particularly those that are felsic, and metamorphosed igneous rocks. Also in pegmatites, skarns, and tactites. www.mindat.org
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Allanite-(Ce) Mineral Data - Mineralogy Database
Massive - Granular - Common texture observed in granite and other igneous rock. Help on Hardness: Hardness: 5.5 - Knife Blade. Help on Luminescence: ... webmineral.com
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allanite
allanite Min. (ˈælənaɪt) [named after T. Allan, a mineralogist + -ite, min. form.] A brownish-black mineral, akin to Epidote, consisting mainly of the oxides of cerium and iron, with silica.1843 W. Humble Dict. Geol., Allanite, an orthitic melane-ore..brought from Greenland. 1880 Dana Min. 287 Allan... Oxford English Dictionary
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ALEX STREKEISEN-Allanite-
Allanite is a characteristic accessory mineral in many granites, granodiorites, monzonites and syenites; it occurs in larger amounts in some limestone skarns ... www.alexstrekeisen.it
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[PDF] ALLANITE – (Ca,Mn,Ce,Y,Th,La)2(Fe,Ti,Al)3O(Si2O7)(SiO4)(OH)
Allanite is an accessory mineral of many types of igneous and metamorphic rocks. In igneous rocks it is present in granites, granodiorites, diorites, syenites ... www.ufrgs.br
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Allanite-(Sm), CaSm(Al 2 Fe 2+ )(Si 2 O 7 )(SiO 4 )O(OH), the third ...
Allanite-(Sm) is yellowish-brown and shows a white streak, a vitreous luster, and a Mohs hardness of ∼6. It is brittle, with conchoidal fracture ... pubs.geoscienceworld.org
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Review of allanite: Properties, occurrence and mineral processing ...
Allanite is commonly encountered as an accessory rare-earth silicate mineral in association with minerals such as garnet, biotite, and feldspar. www.sciencedirect.com
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Allanite - an overview | ScienceDirect Topics
Allanite is defined as a LREE-rich epidote-group mineral that serves as a key repository for light rare earth elements (LREE) and thorium (Th) in high-pressure ... www.sciencedirect.com
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[PDF] THE MESS THAT IS “ALLANITE” - RRuff
“Allanite” is a poorly defined collection of species belonging to the epidote group. In the past, “allanite” was defined as merely being lanthanon-bearing, ... rruff.info
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Allanite-(La) Mineral Data - Mineralogy Database
Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral, Locality: Buca della Vena mine, near Stazzema, Apuan Alps, Tuscany, Italy. webmineral.com
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orthite
orthite Min. (ˈɔːθaɪt) [= Ger. orthit (Berzelius, 1817), f. Gr. ὀρθός straight: see -ite1.] A variety of allanite, found in long slender crystals, or straight masses.1817 in T. Thomson Ann. Philos. IX. 160 Orthite so named because it always forms straight radii. 1868 Dana Min. (ed. 5) 289 Orthite oc... Oxford English Dictionary
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Aguiliri
Plagioclase phenocrysts are contained in the dacite, as well as more derived allanite, biotite, plagioclase, quartz and other minerals. Inclusions of apatite, monazite and zircon are also contained in allanite. wikipedia.org
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muromontite
muromontite Min. (mjʊərəʊˈmɒntaɪt) [a. G. muromontit (Kerndt 1848), f. mod.L. Mūromontium, Mauersberg in Saxony, where it was found: see -ite.] A mineral akin to allanite.1854 Dana Syst. Min. (ed. 4) II. 210 With Allanite belong probably Bodenite..and Muromontite. Oxford English Dictionary
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Bagrationite
Bagrationite is a variety of allanite, discovered by Georgian Prince Peter Bagrationi in 1847 and named in his honour. wikipedia.org
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