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Graulichite-(Ce)

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Formula:
CeFe33+(AsO4)2(OH)6
System:
Trigonal
Colour:
Light-green to brownish
Name:
for Jean-Marie Graulich (1920-2001), mining engineer and honorary Director of the Geological Survey of Belgium
The Fe-dominant analogue of arsenoflorencite-(Ce).

Classification of Graulichite-(Ce)

Approved 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
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Type Occurrence of Graulichite-(Ce)

Physical Properties of Graulichite-(Ce)

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

Crystallography of Graulichite-(Ce)

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 7.26Å, c = 16.77Å
Ratio:
a:c = 1 : 2.31
Unit Cell Volume:
V 765.49 ų (Calculated from Unit Cell)
Z:
3
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.906 (25)
3.636 (40)
3.052 (100)
2.792 (30)
2.239 (35)
1.817(35)

Optical Data of Graulichite-(Ce)

Type:
Uniaxial (-)

Chemical Properties of Graulichite-(Ce)

Formula:
CeFe33+(AsO4)2(OH)6
Essential elements:
All elements listed in formula:

Relationship of Graulichite-(Ce) to other Species

Other Members of Group:
ArsenocrandalliteCaAl3(AsO4)2(OH)5 · H2O
Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6
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
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.13Arsenoflorencite-(Ce)CeAl3(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.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

Other Names for Graulichite-(Ce)

Name in Other Languages:
Simplified Chinese:羟砷铈铁石
Traditional Chinese:羥砷鈰鐵石

Other Information

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)

Reference List:
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)

Localities for Graulichite-(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.
Belgium (TL)
 
  • Luxembourg Province
    • Stavelot Massif
      • Vielsalm
        • Grand Halleux
EJM 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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