1-20 OF 65 RESULTS FOR

fillowite

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 13 September 2021
The Canadian Mineralogist (2021) 59 (4): 781–796.
...Frédéric Hatert; Edward S. Grew; Pietro Vignola; Nicola Rotiroti; Fabrizio Nestola; Paul Keller; Maxime Baijot; Yannick Bruni; André-Mathieu Fransolet; Fabrice Dal Bo; Martin Depret ABSTRACT The crystal chemistries of five samples of minerals belonging to the fillowite group were structurally...
FIGURES | View All (6)
Journal Article
Published: 01 November 2006
European Journal of Mineralogy (2006) 18 (6): 765–774.
...Paul Keller; Frédéric Hatert; Falk Lissner; Thomas Schleid; André-Mathieu Fransolet Abstract The chemical compound Na(Na,Mn) 7 Mn 22 (PO 4 ) 18 ·0.5H 2 O was synthesized with a Tuttle pressure vessel at 800°C and 1 kbar during experimental investigations on the conditions of fillowite formation...
FIGURES | View All (9)
Journal Article
Published: 01 August 2006
American Mineralogist (2006) 91 (8-9): 1412–1424.
... facies anatexis The fillowite group comprises complex anhydrous phosphates that have been distinguished on the relative dominance of the divalent cations Mg, Ca, Mn, and Fe (Table 1 ). The Mg-dominant member, chladniite, has been found only in two meteorites. We report from a terrestrial...
FIGURES | View All (13)
Journal Article
Published: 01 April 1998
The Canadian Mineralogist (1998) 36 (2): 355–366.
...Andre-Mathieu Fransolet; Francois Fontan; Paul Keller; Diano Antenucci Abstract New results of wet-chemical and electron-microprobe analyses are given for an occurrence of johnsomervilleite from the Kiluli pegmatite, Rwanda, and for samples of fillowite from the granitic pegmatite bodies of Buranga...
Journal Article
Published: 01 August 1989
American Mineralogist (1989) 74 (7-8): 918–926.
...Paul Brian Moore Abstract All 23 cations in the asymmetric unit of fillowite, including two ordered vacancies, a = 15.28, c = 43.51 Å, R 3 , 18(Na 2 CaMn 3 )(Mn 4 □ 2 P 6 )O 24 can be related to the hexagonal (rhombohedral) cell of α -Fe, a (h) α = 4.05, c (h) α = 4.96 Å, R 3 c , 6Fe. This relation...
Journal Article
Published: 01 August 1981
American Mineralogist (1981) 66 (7-8): 827–842.
...Takaharu Araki; Paul B. Moore Abstract Fillowite, Na 2 Ca ( Mn,Fe ) 7 2 + ( PO 4 ) 6 , possesses a structure derived from the glaserite, K 3 Na(SO 4 ) 2 , arrangement. No evidence of substructure occurs either in the X-ray data or the polyhedral arrangement. It is rhombohedral, a 1 15.282(2), c...
Journal Article
Published: 01 October 1965
American Mineralogist (1965) 50 (10): 1647–1669.
...D. Jerome Fisher Abstract Herein is discussed the crystallography and chemistry of these three Na-Fe-Mn pegmatite phosphates, together with their interrelations. The dickinsonites invert to al-luaudites on heating in air to around 500°, to fillowite on heating in vacuum to 850°. Fil-lowite...
Image
Ternary Fe 2+ –Mn–Mg diagram showing the compositions of natural <span class="search-highlight">fillowite</span>-...
Published: 13 September 2021
Fig. 4. Ternary Fe 2+ –Mn–Mg diagram showing the compositions of natural fillowite-type phosphates. A possible miscibility gap between chladniite and fillowite is shaded in gray.
Image
CHEMICAL COMPOSITIONS OF <span class="search-highlight">FILLOWITE</span>-TYPE PHOSPHATES
Published: 13 September 2021
TABLE 1. CHEMICAL COMPOSITIONS OF FILLOWITE-TYPE PHOSPHATES
Image
NEW IDEAL FORMULAE FOR THE <span class="search-highlight">FILLOWITE</span>-GROUP MINERALS
Published: 13 September 2021
TABLE 9. NEW IDEAL FORMULAE FOR THE FILLOWITE-GROUP MINERALS
Image
CATION DISTRIBUTIONS AT THE DIFFERENT CRYSTALLOGRAPHIC SITES OF <span class="search-highlight">FILLOWITE</span>-G...
Published: 13 September 2021
TABLE 6. CATION DISTRIBUTIONS AT THE DIFFERENT CRYSTALLOGRAPHIC SITES OF FILLOWITE-GROUP MINERALS
Image
COORDINATION NUMBERS FOR THE DIFFERENT CRYSTALLOGRAPHIC SITES OF <span class="search-highlight">FILLOWITE</span>-...
Published: 13 September 2021
TABLE 8. COORDINATION NUMBERS FOR THE DIFFERENT CRYSTALLOGRAPHIC SITES OF FILLOWITE-GROUP MINERALS
Image
SUMMARY OF CATION DISTRIBUTIONS AMONG THE CRYSTALLOGRAPHIC SITES OF FILLOWI...
Published: 13 September 2021
TABLE 7. SUMMARY OF CATION DISTRIBUTIONS AMONG THE CRYSTALLOGRAPHIC SITES OF FILLOWITE-GROUP MINERALS
Image
EXPERIMENTAL DETAILS FOR THE SINGLE-CRYSTAL X-RAY DIFFRACTION STUDY OF FILL...
Published: 13 September 2021
TABLE 2. EXPERIMENTAL DETAILS FOR THE SINGLE-CRYSTAL X-RAY DIFFRACTION STUDY OF FILLOWITE-TYPE PHOSPHATES
Image
(A) Photomicrograph of <span class="search-highlight">fillowite</span> from the Buranga pegmatite (colorless) for...
Published: 13 September 2021
Fig. 1. (A) Photomicrograph of fillowite from the Buranga pegmatite (colorless) forming a granoblastic intergrowth with brownish grains of alluaudite-group phosphates. Plane-polarized light, length of the photograph = 2 mm. (B) Photomicrograph of fillowite from the Kabira pegmatite (colorless
Image
Diagram showing the correlations in natural <span class="search-highlight">fillowite</span>-type phosphates betwe...
Published: 13 September 2021
Fig. 5. Diagram showing the correlations in natural fillowite-type phosphates between (A) Na pfu and Ca pfu and (B) □ pfu and Fe 3+ pfu .
Journal Article
Published: 01 December 2010
The Canadian Mineralogist (2010) 48 (6): 1455–1463.
.... Associated minerals are fluorapatite, chlorapatite, bobfergusonite, eosphorite, dickinsonite, fillowite, triploidite, goyazite, perloffite, beusite, triplite, as well as quartz, K-feldspar, muscovite, schorl, beryl, spessartine, gahnite and (Nb,Ta,Sn) oxides. Manitobaite is opaque in large crystals (up to 4...
FIGURES | View All (4)
Image
Correlations between the unit-cell parameters of <span class="search-highlight">fillowite</span>-type phosphates ...
Published: 13 September 2021
Fig. 6. Correlations between the unit-cell parameters of fillowite-type phosphates and the mean ionic radius of the C cations. The squares correspond to data from the present paper, while the diamonds correspond to literature data.
Image
Distribution of Fe and Mg between (Mg, Fe) 3 (PO 4 ) 2  phases, <span class="search-highlight">fillowite</span> g...
Published: 01 March 2007
Fig. 11. Distribution of Fe and Mg between (Mg, Fe) 3 (PO 4 ) 2 phases, fillowite group minerals and biotite. (a) K D = (Mg/Fe) Far /(Mg/Fe) Scp . Sources of data: Livingstone (1980) , Černý et al. (1998) , and Corbella i Cordomí-and-Melgarejo-i Draper (1990 ) for sarcopside
Image
ASSIGNED SITE POPULATIONS (ASP,  APFU ), REFINED SITE-SCATTERING VALUES (RS...
Published: 13 September 2021
FROM STRUCTURE REFINEMENT (STR), FOR FILLOWITES