Francolite is a carbonate rich variety of the mineral fluorapatite and is present in most sedimentary phosphorites. It has a variable chemical composition...

Ferrotantalite (synonym of tantalite-(Fe)) Fluorspar (synonym of fluorite) Francolite (variety of fluorapatite) Gabrielite Gadolinite (mineral group) Gagarinite-(Ce)...

composed of the mineral lepidocrocite and an apatite mineral, probably francolite, in addition to magnetite. Bókkon, Istvan; Salari, Vahid (2010). "Information...

held perpendicular to the substrate. Conulariid shell is composed of francolite with carbonate ion concentration 8.1 wt%. The lattice parameters of conulariid...

phosphoric acid fertilizer. The uranium is contained in the phosphate minerals francolite, crandallite, millisite, wavellite, and vivianite, found in Miocene and...

13.54 billion barrels. Important phosphate deposits—predominantly of francolite—near Métlaoui, Tunisia were formed from the late Paleocene to the early...

563.74 Uniaxial (-) nω = 1.651 nε = 1.637 Max birefringence: δ = 0.014 Francolite Herderite CaBe(PO4)F Monoclinic a = 4.81, b = 7.7 c = 9.82 β = 90.1° 363...

England, and at Cranbourne, Australia. A paper, thus jointly written, on Francolite, Vivianite, and Cronstedtite from Cornwall, appeared in the Journal of...

Coleman, Max L.; McArthur, John M. (April 1983). "Origin of sedimentary francolite from its sulphur and carbon isotope composition". Nature. 302 (5908):...

699.58 P63/mmc a=5.1011 c=23.096 Doverite CaY(CO3)2F 0:1:1:5:2:1 268.00 Francolite Horvathite-Y (horváthite) NaY(CO3)F2 1:0:1:4:1:2 209.90 Pmcn a=6.959 b=9...

being mostly hydroxy-carbonate-Apatite, with some samples more similar to Francolite, while on the Eplény manganese ore deposit is found Dahllite. There is...