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francolite
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francolite
francolite Min. (ˈfræŋkəlaɪt) [f. Franco (see below) + -lite.] A variety of apatite found at Wheal Franco in Devonshire in stalactitic masses.1850 Philos. Mag. Ser. iii. XXXVI. 311 Francolite.
Oxford English Dictionary
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Francolite
Francolite is a carbonate rich variety of the mineral fluorapatite and is present in most sedimentary phosphorites.
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staffelite
staffelite Min. (ˈstæfəlaɪt) [ad. G. staffelit (C. A. Stein 1866, in Jahrb. des Vereins für Naturkunde im Herzogthum Nassau XIX–XX. 57), f. Staffel, name of a locality in Hesse, W. Germany: see -ite1.] A carbonate-containing variety of apatite found as colourless or yellow masses; carbonatefluorapat...
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Conulariida
Conulariid shell is composed of francolite with carbonate ion concentration 8.1 wt%.
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dahllite
dahllite Min. (ˈdɑːlaɪt) [ad. G. dahllit (Brögger and Bäckström 1888, in Vet. Akad. Stockh. Oefv. XLV. 493). f. the names of T. and J. Dahll, Norwegian mineralogists: see -ite1.] A variety of hydroxyapatite containing carbonate.1890 Jrnl. Chem. Soc. LVIII. 714 (title) Dahllite, a new Norwegian miner...
Oxford English Dictionary
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Walter Flight
A paper, thus jointly written, on Francolite, Vivianite, and Cronstedtite from Cornwall, appeared in the Journal of the Chemical Society for 1871.
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List of minerals
species:
Fassaite (variety of augite)
Ferrocolumbite (synonym of columbite-(Fe))
Ferrotantalite (synonym of tantalite-(Fe))
Fluorspar (synonym of fluorite)
Francolite
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Úrkút Manganese Ore Formation
manganese oxide ore deposits of Eplény and Úrkút is generally less than 1,00 %, being mostly hydroxy-carbonate-Apatite, with some samples more similar to Francolite
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Paleocene
Important phosphate deposits—predominantly of francolite—near Métlaoui, Tunisia were formed from the late Paleocene to the early Eocene.
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Uranium mining in the United States
The uranium is contained in the phosphate minerals francolite, crandallite, millisite, wavellite, and vivianite, found in Miocene and Pliocene sediments
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