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Francolite is a
carbonate rich
variety of the
mineral fluorapatite and is
present in most
sedimentary phosphorites. It has a
variable chemical composition...
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Ferrotantalite (synonym of tantalite-(Fe))
Fluorspar (synonym of fluorite)
Francolite (variety of fluorapatite)
Gabrielite Gadolinite (mineral group) Gagarinite-(Ce)...
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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 s**** is
composed of
francolite with
carbonate ion
concentration 8.1 wt%. The
lattice parameters of conulariid...
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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...
