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orthite
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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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Allanite
Allanite (also called orthite) is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare-earth elements
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Wasium
In 1862 Bahr analysed the mineral Orthite—Allanite-(Y)—from the Norwegian island Rönsholm and found an oxide which he concluded contained a new element Bahr to exist in Norwegian orthite and orthite from Ytterby. Bahr also said that it existed on the island of Raenshohm.
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michaelsonite
michaelsonite Min. (ˈmɪkəlsənaɪt) [f. the name of A. Michaelson (1868), who first analysed it: see -ite.] = erdmannite.1868 Dana Min. (ed. 5) II. 289 Michaelsonite Dana. An orthite-like mineral occurring near Brevig.., containing, like muromontite, little alumina and some glucina.
Oxford English Dictionary
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Epidote
Orthite was the name given by Jöns Berzelius in 1818 to a hydrated form found as slender prismatic crystals, sometimes a foot in length, at Finbo, near
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Austrium
As a chemist at the German University in Prague he experimented with the mineral orthite (from Arendal in Norway).
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pyro-
pyro- (paɪərəʊ, pɪrəʊ) before a vowel or h sometimes pyr- (but more freq. pyro-), repr. Gr. πυρο-, combining form of πῦρ fire, forming the first element in many terms belonging to various arts and sciences. (The second element is properly of Greek, but sometimes of Latin or English origin.) 1. In va...
Oxford English Dictionary
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xantho-
xantho- (zænθəʊ) before a vowel xanth-, repr. Gr. ξανθο-, combining form of ξανθός yellow; occurring as the first element in various compounds and derivatives, chiefly terms of chemistry, mineralogy, and pathology; the more important of these are given in their alphabetical places. (Sometimes also e...
Oxford English Dictionary
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Granulite
hornblende (not common), riebeckite (rare), epidote and zoisite, calcite, sphene, andalusite, sillimanite, kyanite, hercynite (a green spinel), rutile, orthite
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Dollaseite-(Ce)
History
The mineral provisionally named "magnesium orthite" by Geijer himself was renamed after structural refinement by Peacor and Dunn in 1988 led to
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Nikolay Koksharov
He contributed numerous papers on euclase, zircon, epidote, orthite, monazite, and other mineralogical subjects to the St.Petersburg and Vienna academies
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Pyotr Romanovich Bagration
Bagration discovered a sorosilicate rich in rare earths which was named "Bagrationite" in his honour, but it had already been described as allanite (or orthite
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