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Graulichite-(Ce)

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Formula:
CeFe3+3(AsO4)2(OH)6
Colour:
Light-green to brownish
Lustre:
Resinous
Specific Gravity:
4.42 (Calculated)
Crystal System:
Trigonal
Name:
for Jean-Marie Graulich (born in Liège, 4th May 1920; died on 7th March 2001), mining engineer and honorary Director of the Geological Survey of Belgium
The Fe-dominant analogue of arsenoflorencite-(Ce).


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Classification of Graulichite-(Ce)Hide

Approved
Approval Year:
2002
7/B.36-152
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

Physical Properties of Graulichite-(Ce)Hide

Resinous
Transparency:
Transparent
Colour:
Light-green to brownish
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
4.42 g/cm3 (Calculated)

Optical Data of Graulichite-(Ce)Hide

Type:
Uniaxial (-)

Chemical Properties of Graulichite-(Ce)Hide

Formula:
CeFe3+3(AsO4)2(OH)6

Crystallography of Graulichite-(Ce)Hide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 7.26 Å, c = 16.77 Å
Ratio:
a:c = 1 : 2.31
Unit Cell V:
765.49 ų (Calculated from Unit Cell)
Z:
3

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.906 (25)
3.636 (40)
3.052 (100)
2.792 (30)
2.239 (35)
1.817(35)

Type Occurrence of Graulichite-(Ce)Hide

Synonyms of Graulichite-(Ce)Hide

Other Language Names for Graulichite-(Ce)Hide

Simplified Chinese:羟砷铈铁石
Traditional Chinese:羥砷鈰鐵石

Relationship of Graulichite-(Ce) to other SpeciesHide

Other Members of this group:
ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m)
Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
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
PhilipsbornitePbAl3(AsO4)2(OH)5 · H2OTrig.
SegnititePbFe3+3(AsO4)2(OH,H2O)6Trig. 3m (3 2/m) : R3m

Related Minerals - Nickel-Strunz GroupingHide

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.
8.BL.05HinsdalitePbAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05KemmlitziteSrAl3(AsO4)(SO4)(OH)6Trig.
8.BL.05SvanbergiteSrAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05WoodhouseiteCaAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05GallobeudantitePbGa3(AsO4)(SO4)(OH)6Trig.
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(HPO4,PO4)2(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.
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)2(OH)5 · H2OTrig.
8.BL.10PlumbogummitePbAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10SegnititePbFe3+3(AsO4)2(OH,H2O)6Trig. 3m (3 2/m) : R3m
8.BL.10SpringcreekiteBaV3+3(PO4)2(OH,H2O)6Trig. 3m (3 2/m) : 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.13Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(Ce)CeAl3(PO4)2(OH)6
8.BL.13Florencite-(La)LaAl3(PO4)2(OH)6
8.BL.13Florencite-(Nd)NdAl3(PO4)2(OH)6
8.BL.13WaylanditeBiAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13ArsenowaylanditeBiAl3(AsO4)2(OH)6Trig.
8.BL.13Florencite-(Sm)SmAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.15ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3Mon.
8.BL.25PattersonitePbFe3+3(PO4)2(OH)5 · H2OTric. 1 : P1

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.

References for Graulichite-(Ce)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hatert, F., P. Lefevre, M. Pasero & A-M. Fransolet (2003) Graulichite-(Ce), a new arsenate mineral from the Stavelot Massif, Belgium.: European Journal of Mineralogy: 15: 733-739.
Walenta, K., Birch, B. & Theye, T. (2006): Graulichit-(Ce) von der Grube Clara bei Oberwolfach im mittleren Schwarzwald. Der Aufschluss 57, 67-70.

Internet Links for Graulichite-(Ce)Hide

Localities for Graulichite-(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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Belgium (TL)
 
  • Luxembourg Province
    • Stavelot Massif
      • Vielsalm
        • Grand Halleux
European Journal of Mineralogy 15 (2003), 733
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K., Birch, B. & Theye, T. (2006): Graulichit-(Ce) von der Grube Clara bei Oberwolfach im mittleren Schwarzwald. Der Aufschluss 57, 67-70. (in German)
Mineral and/or Locality  
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