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Arsenoflorencite-(Ce)

A valid IMA mineral species
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About Arsenoflorencite-(Ce)Hide

Formula:
CeAl3(AsO4)2(OH)6
Colour:
Colourless to white, light brown
Lustre:
Sub-Vitreous, Resinous, Waxy, Dull
Hardness:
Specific Gravity:
4.096
Crystal System:
Trigonal
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).


Unique IdentifiersHide

Mindat ID:
366
Long-form identifier:
mindat:1:1:366:9
GUID
(UUID V4):
5bf7d103-d37f-49f1-aae7-e7d6efac0d8e

IMA Classification of Arsenoflorencite-(Ce)Hide

Approved
Approval year:
1985

Classification of Arsenoflorencite-(Ce)Hide

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)

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
Aflo-CeIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
AsfThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of Arsenoflorencite-(Ce)Hide

Sub-Vitreous, Resinous, Waxy, Dull
Transparency:
Transparent, Translucent
Colour:
Colourless to white, light brown
Streak:
White
Hardness:
3½ on Mohs scale
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)

Optical Data of Arsenoflorencite-(Ce)Hide

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

Chemistry of Arsenoflorencite-(Ce)Hide

Mindat Formula:
CeAl3(AsO4)2(OH)6

Crystallography of Arsenoflorencite-(Ce)Hide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 7.029 Å, c = 16.517 Å
Ratio:
a:c = 1 : 2.35
Unit Cell V:
706.72 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Scalenohedfral {1011} and {1012}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.513 Å(60)
2.963 Å(100)
2.752 Å(30)
2.201 Å(40)
1.905 Å(50)
1.753 Å(40)
1.627 Å(30)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47d : [Arsenates, antimonates, selenates, bismuthinates]

Type Occurrence of Arsenoflorencite-(Ce)Hide

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

Synonyms of Arsenoflorencite-(Ce)Hide

Other Language Names for Arsenoflorencite-(Ce)Hide

Relationship of Arsenoflorencite-(Ce) to other SpeciesHide

Other Members of this group:
ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m)
Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6Trig.
ArsenogorceixiteBaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
ArsenowaylanditeBiAl3(AsO4)2(OH)6Trig.
DussertiteBaFe3+3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
Graulichite-(Ce)CeFe3+3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
Graulichite-(La)LaFe3+3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
PhilipsbornitePbAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
SegnititePbFe3+3AsO4(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Arsenoflorencite-(Ce) associated with Goethiteα-Fe3+O(OH)

Related Minerals - Strunz-mindat GroupingHide

8.BL.Graulichite-(La)LaFe3+3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.OberwolfachiteSrFe3+3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.KiryuiteNaMnAl(PO4)F3Mon. 2/m : P21/m
8.BL.ClouditeBaFe3+3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05BeudantitePbFe3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05CorkitePbFe3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05HidalgoitePbAl3(AsO4)(SO4)(OH)6Trig. 3m : R3m
8.BL.05HinsdalitePbAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05KemmlitziteSrAl3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05SvanbergiteSrAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05WeileriteBaAl3(AsO4)(SO4)(OH)6Hex.
8.BL.05WoodhouseiteCaAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05GallobeudantitePbGa3(AsO4)(SO4)(OH)6Trig. 3m : R3m
8.BL.05UM2011-07-POSO:AlBaHBaAl3(PO4)(SO4)(OH)6
8.BL.10ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10ArsenogorceixiteBaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m)
8.BL.10BenauiteSrFe3+3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10DussertiteBaFe3+3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10EylettersiteTh0.75Al3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
8.BL.10GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10KintoreitePbFe3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10PhilipsbornitePbAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10PlumbogummitePbAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10SegnititePbFe3+3AsO4(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10 vaViséite
8.BL.10SpringcreekiteBaV3+3(PO4)2(OH,H2O)6Trig. 3m (3 2/m) : R3m
8.BL.10GalloplumbogummitePb(Ga,Al,Ge)3(PO4)2(OH)6Trig. 3m : R3m
8.BL.13Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6Trig.
8.BL.13Florencite-(Ce)CeAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(La)LaAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(Nd)NdAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13WaylanditeBiAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13ZaĂŻriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13ArsenowaylanditeBiAl3(AsO4)2(OH)6Trig.
8.BL.13Graulichite-(Ce)CeFe3+3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(Sm)SmAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Unnamed (As-analogue of ZaĂŻrite)(Bi,Pb)Fe3+3(AsO4)2(OH)6
8.BL.15ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3Mon. 2/m : P21/m
8.BL.25PattersonitePbFe3+3(PO4)2(OH)5 · H2OTric. 1 : P1

Fluorescence of Arsenoflorencite-(Ce)Hide

Not fluorescent in UV

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Arsenoflorencite-(Ce)Hide

References for Arsenoflorencite-(Ce)Hide

Localities for Arsenoflorencite-(Ce)Hide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Northern Territory
    • Roper Gulf Region
      • Gulf of Carpenteria
Nickel et al. (1987)
  • South Australia
    • Eyre Peninsula
Nickel et al. (1987) +1 other reference
      • Middleback Range
        • Iron Knob
          • Corunna Station
Nickel et al. (1987)
Belgium
 
  • Wallonia
    • Luxembourg
      • Vielsalm
        • Grand-Halleux
Dehove et al. (2006)
Canada
 
  • Saskatchewan
    • Athabasca Basin
Adlakha et al. (2015)
Czech Republic
 
  • Liberec Region
Scharm +7 other references
Germany
 
  • Baden-WĂŒrttemberg
    • Freiburg Region
      • Ortenaukreis
        • Gengenbach
          • Gengenbach
Wittern (1995)
  • Thuringia
    • Nordhausen District
      • Harztor
        • Ilfeld
J. Gröbner (2011)
Norway
 
  • Troms og Finnmark
    • Tjeldsund
      • TjeldĂžya
        • Kjerstadfjellet
Selbekk et al. (2010)
Switzerland
 
  • Grisons
    • Albula Region
      • Surses
        • Tinizong (Tinzen)
U. Kolitsch & J. Gröbner (single-crystal X-ray diffraction + SEM-EDS)
 
Mineral and/or Locality  
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