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Arsenoflorencite-(Ce)

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Formula:
CeAl3(AsO4)2(OH)6
System:
Trigonal
Colour:
Colourless to white, ...
Hardness:
Name:
Named by Ernest H. Nickel and J. E. Temperly in 1987 as the arsenate analog of florencite-(Ce).
The Al-dominant analogue of Graulichite-(Ce).

Classification of Arsenoflorencite-(Ce)

Approved 1985
7/B.36-120
8.BL.13

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
41.5.11.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
20.4.7

20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)
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First Recorded Occurrence of Arsenoflorencite-(Ce)

General Appearance of First Recorded Material:
Rounded grains, also scalenohedral crystals'
Year of Discovery:
1985
Geological Setting of First Recorded Material:
Detrital grains in a heavy mineral concentrate.
Associated Minerals at First Recorded Locality:

Physical Properties of Arsenoflorencite-(Ce)

Sub-Vitreous, Resinous, Waxy, Dull
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Colourless to white, light brown
Streak:
White
Hardness (Mohs):
Tenacity:
Brittle
Cleavage:
None Observed
Probably perfect {0001}, as are other members of the group.
Density:
4.096 g/cm3 (Measured)    4.091 g/cm3 (Calculated)

Crystallography of Arsenoflorencite-(Ce)

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Space Group Setting:
R3m
Cell Parameters:
a = 7.029Å, c = 16.517Å
Ratio:
a:c = 1 : 2.35
Unit Cell Volume:
V 706.72 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Scalenohedfral {1011} and {1012}
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.513 (60)
2.963 (100)
2.752 (30)
2.201 (40)
1.905 (50)
1.753 (40)
1.627 (30)

Optical Data of Arsenoflorencite-(Ce)

Type:
Uniaxial (+)
RI values:
nω = 1.739 nε = 1.745
Birefringence:
0.006
Max Birefringence:
δ = 0.006
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Optical Extinction:
Parallel
Pleochroism:
Non-pleochroic

Chemical Properties of Arsenoflorencite-(Ce)

Formula:
CeAl3(AsO4)2(OH)6
Essential elements:
All elements listed in formula:

Relationship of Arsenoflorencite-(Ce) to other Species

Other Members of Group:
ArsenocrandalliteCaAl3(AsO4)2(OH)5 · H2O
Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6
Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6
ArsenogorceixiteBaAl3(AsO4)2(OH)5 · H2O
ArsenogoyaziteSrAl3(AsO4)2(OH)5 · H2O
ArsenowaylanditeBiAl3(AsO4)2(OH)6
DussertiteBaFe33+(AsO4)2(OH)5
Graulichite-(Ce)CeFe33+(AsO4)2(OH)6
PhilipsbornitePbAl3(AsO4)2(OH)5 · H2O
SegnititePbFe33+(AsO4)2(OH,H2O)6
8.BL.05BeudantitePbFe3(AsO4)(SO4)(OH)6
8.BL.05CorkitePbFe3(PO4)(SO4)(OH)6
8.BL.05HidalgoitePbAl3(AsO4)(SO4)(OH)6
8.BL.05HinsdalitePbAl3(PO4)(SO4)(OH)6
8.BL.05KemmlitziteSrAl3(AsO4)(SO4)(OH)6
8.BL.05SvanbergiteSrAl3(PO4)(SO4)(OH)6
8.BL.05WoodhouseiteCaAl3(PO4)(SO4)(OH)6
8.BL.05GallobeudantitePbGa3(AsO4)(SO4)(OH)6
8.BL.10ArsenogoyaziteSrAl3(AsO4)2(OH)5 · H2O
8.BL.10ArsenogorceixiteBaAl3(AsO4)2(OH)5 · H2O
8.BL.10ArsenocrandalliteCaAl3(AsO4)2(OH)5 · H2O
8.BL.10BenauiteSrFe33+(HPO4,PO4)2(OH)6
8.BL.10CrandalliteCaAl3(PO4)2(OH)5 · H2O
8.BL.10DussertiteBaFe33+(AsO4)2(OH)5
8.BL.10EylettersiteTh0.75Al3(PO4)2(OH)6
8.BL.10GorceixiteBaAl3(PO4)2(OH)5 · H2O
8.BL.10GoyaziteSrAl3(PO4)2(OH)5 · H2O
8.BL.10KintoreitePbFe3(PO4)(PO3OH)(OH)6
8.BL.10PhilipsbornitePbAl3(AsO4)2(OH)5 · H2O
8.BL.10PlumbogummitePbAl3(PO4)2(OH)5 · H2O
8.BL.10SegnititePbFe33+(AsO4)2(OH,H2O)6
8.BL.10SpringcreekiteBaV33+(PO4)2(OH,H2O)6
8.BL.13Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6
8.BL.13Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6
8.BL.13Florencite-(Ce)CeAl3(PO4)2(OH)6
8.BL.13Florencite-(La)LaAl3(PO4)2(OH)6
8.BL.13Florencite-(Nd)(Nd,La,Ce)Al3(PO4)2(OH)6
8.BL.13WaylanditeBiAl3(PO4)2(OH)6
8.BL.13ZaïriteBiFe33+(PO4)2(OH)6
8.BL.13ArsenowaylanditeBiAl3(AsO4)2(OH)6
8.BL.13Graulichite-(Ce)CeFe33+(AsO4)2(OH)6
8.BL.13Florencite-(Sm)(Sm,Nd)Al3(PO4)2(OH)6
8.BL.15ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3
8.BL.25PattersonitePbFe33+(PO4)2(OH)5 · H2O
20.4.1MansfielditeAlAsO4 · 2H2O
20.4.2BulachiteAl2(AsO4)(OH)3 · 3H2O
20.4.3PharmacoalumiteKAl4(AsO4)3(OH)4 · 6.5H2O
20.4.4LuetheiteCu2Al2(AsO4)2(OH)4
20.4.5ArsenogoyaziteSrAl3(AsO4)2(OH)5 · H2O
20.4.6ArsenocrandalliteCaAl3(AsO4)2(OH)5 · H2O
20.4.8Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6
20.4.9Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6
20.4.10Gerdtremmelite(Zn,Fe)(Al,Fe)2(AsO4)(OH)5
20.4.11Gasparite-(Ce)(Ce,REE)(AsO4)
20.4.12Chernovite-(Y)Y(AsO4)
20.4.13Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
20.4.14Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
20.4.15GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2O
20.4.16Retzian-(Ce)Mn22+Ce(AsO4)(OH)4
20.4.17Retzian-(La)(Mn2+,Mg)2(La,Ce,Nd)(AsO4)(OH)4
20.4.18Retzian-(Nd)Mn22+(Nd,Ce,La)(AsO4)(OH)4

Other Names for Arsenoflorencite-(Ce)

Name in Other Languages:

Other Information

Not fluorescent in UV
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Arsenoflorencite-(Ce)

Reference List:
Nickel, E. H. & Temperly, J. E. (1987): Arsenoflorencite-(Ce): a new arsenate mineral from Australia. Mineralogical Magazine 51, 605-609.

American Mineralogist: 73: 1492-1493.

Internet Links for Arsenoflorencite-(Ce)

Localities for Arsenoflorencite-(Ce)

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Northern Territory
    • Roper Gulf Region
      • Gulf of Carpenteria
E. H. Nickel & J. E. Temperly: Mineral. Mag. 51:605-609 (1987)
  • South Australia
    • Eyre Peninsula
E. H. Nickel & J. E. Temperly: Mineral. Mag. 51:605-609 (1987)
      • Middleback Range
        • Iron Knob
          • Corunna Station
E. H. Nickel & J. E. Temperly: Mineral. Mag. 51:605-609 (1987)
Belgium
 
  • Luxembourg Province
    • Stavelot Massif
      • Vielsalm
        • Grand Halleux
Loeber, A. (2005). "La carrière de Hourt, Grand Halleux, Province de Luxembourg, Belgique." Magazine du 4M, 26(255), 5-7; Dehove, J. and Hubert, F. (2006). "Nouvelles découvertes à Hourt." Magazine du 4M, 27(263), 9-11.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Liberec Region
Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Gengenbach
        • Haigerach valley
Wittern,A. (1995) Mineralien finden im Schwarzwald
  • Thuringia
    • Harz
      • Nordhausen
        • Ilfeld
J. Gröbner, U. Kolitsch and J. Wesiger (2011): New finds of vanadate and rare-earth minerals from the manganese mine Ilfeld, Harz. Mineralien-Welt 22 (1), 41-49. (in German)
Norway
 
  • Nordland
    • Tjeldsund
Selbekk, R. S., Husdal, T. A. & Berg, H-J. (2010): Nye mineraler for Norge i 2010. Stein. 37 (4): 24-26
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Albula Valley
      • Oberhalbstein (Surses; Sursass)
        • Tinizong (Tinzen)
U. Kolitsch & J. Gröbner (single-crystal X-ray diffraction + SEM-EDS)
Mineral and/or Locality  
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