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Pretulite

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About PretuliteHide

Formula:
Sc(PO4)
Colour:
Pale pink, pale orange, dark orange
Lustre:
Adamantine
Hardness:
5
Specific Gravity:
3.71 (Calculated)
Crystal System:
Tetragonal
Member of:
Name:
For the mountain Pretul (1656 m), the second highest elevation in the Fischbacher Alpen Mts, in which the type locality is situated. Pretulite was first discovered at Fürstenbauer, located on the northwestern slope of Pretul Mt. However, the material from Höllkogel proved to be more suitable for the characterisation as a new species, so this was chosen as the type locality.
This page provides mineralogical data about Pretulite.


Classification of PretuliteHide

Approved
Approval year:
1996
8.AD.35

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations

Physical Properties of PretuliteHide

Adamantine
Transparency:
Transparent, Translucent
Colour:
Pale pink, pale orange, dark orange
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
parallel to {100}
Fracture:
Splintery
Density:
3.71 g/cm3 (Calculated)

Optical Data of PretuliteHide

Type:
Uniaxial (+)
RI values:
nω = 1.790 nε = 1.860
Max Birefringence:
δ = 0.070
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of PretuliteHide

Formula:
Sc(PO4)

Crystallography of PretuliteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 6.585 Å, c = 5.802 Å
Ratio:
a:c = 1 : 0.881
Unit Cell V:
251.59 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0002010PretuliteBernhard F, Walter F, Ettinger K, Taucher J, Mereiter K (1998) Pretulite, ScPO4, a new scandium mineral from the Styrian and Lower Austrian lazulite occurrences, Austria American Mineralogist 83 625-63019980293
0005799PretuliteMoelo Y, Lulzac Y, Rouer O, Palvadeau P, Gloaguen E, Leone P (2002) Scandium mineralogy: pretulite with scandian zircon and xenotime-(Y) with an apatite-rich oolitic ironstone from Saint-Aubin-des-Chateaux, Armorican Massif, France The Canadian Mineralogist 40 1657-16732002Saint-Aubin-des-Chateaux, Armorican Massif, France0293
CIF Raw Data - click here to close

Geological EnvironmentHide

Geological Setting:
Common accessory mineral in lazulite-quartz veins from Krieglach, Mürzzuschlag and also from southern Lower Austria;
in metamorphosed and hydrothermaly altered oolitic ironstones from St Aubin-des-Châteaux, Loire-Atlantique, Pays de Loire, France.

Type Occurrence of PretuliteHide

Place of Conservation of Type Material:
Naturhistorisches Museum, Vienna
Steiermärkisches Landesmuseum Joanneum, Graz
Geological Setting of Type Material:
Lazulite-quartz vein in quartz-rich phyllite

Synonyms of PretuliteHide

Other Language Names for PretuliteHide

German:Pretulit
Spanish:Pretulita

Relationship of Pretulite to other SpeciesHide

Member of:
Other Members of this group:
Chernovite-(Y)Y(AsO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Wakefieldite-(La)La(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Wakefieldite-(Nd)Nd(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Xenotime-(Yb)Yb(PO4)Tet.

Common AssociatesHide

Associated Minerals Based on Photo Data:
5 photos of Pretulite associated with LazuliteMgAl2(PO4)2(OH)2
5 photos of Pretulite associated with QuartzSiO2
2 photos of Pretulite associated with ClinochloreMg5Al(AlSi3O10)(OH)8
1 photo of Pretulite associated with Xenotime-(Y)Y(PO4)
1 photo of Pretulite associated with GoyaziteSrAl3(PO4)(PO3OH)(OH)6
1 photo of Pretulite associated with CrandalliteCaAl3(PO4)(PO3OH)(OH)6
1 photo of Pretulite associated with ApatiteCa5(PO4)3(Cl/F/OH)

Related Minerals - Nickel-Strunz GroupingHide

8.AD.05NahpoiteNa2(PO3OH)Mon. 2/m : P21/m
8.AD.10MonetiteCa(PO3OH)Tric. 1
8.AD.10WeiliteCa(HAsO4)Tric. 1 : P1
8.AD.10ŠvenekiteCa(H2AsO4)2Tric. 1 : P1
8.AD.15Archerite(K,NH4)(H2PO4)Tet. 4 2m : I4 2d
8.AD.15BiphosphammiteNH4(H2PO4)Tet. 4 2 2 : I41 2 2
8.AD.20Phosphammite(NH4)2(PO3OH)Mon. 2/m : P21/b
8.AD.25BuchwalditeNaCa(PO4)Orth. mm2 : Pmn21
8.AD.30SchultenitePb(HAsO4)Mon. 2/m : P2/b
8.AD.35Chernovite-(Y)Y(AsO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35DreyeriteBi(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Xenotime-(Yb)Yb(PO4)Tet.
8.AD.35Wakefieldite-(La)La(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Nd)Nd(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.40PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
8.AD.45XimengiteBi(PO4)Trig.
8.AD.50Gasparite-(Ce)Ce(AsO4)Mon. 2/m
8.AD.50Monazite-(Ce)Ce(PO4)Mon. 2/m
8.AD.50Monazite-(La)La(PO4)Mon. 2/m
8.AD.50Monazite-(Nd)Nd(PO4)Mon. 2/m
8.AD.50RooseveltiteBi(AsO4)Mon. 2/m
8.AD.50CheraliteCaTh(PO4)2Mon. 2/m
8.AD.50Monazite-(Sm)Sm(PO4)Mon. 2/m
8.AD.50UM2005-35-VO:CaFePSiTh(Th,Ca)(VO4,SiO4,PO4)
8.AD.50Gasparite-(La)La(AsO4)Mon. 2/m
8.AD.55TetrarooseveltiteBi(AsO4)Tet.
8.AD.60Chursinite[Hg2]2+Hg2+2[AsO4]2Mon. 2/m : P21/b
8.AD.65ClinobisvaniteBi(VO4)Mon. 2/m

Fluorescence of PretuliteHide

Weak orange in SW

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 PretuliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
F. Bernhard, F. Walter, K. Ettinger, J. Taucher & K. Mereiter (1998): Pretulite, ScPO4, a new scandium mineral from the Styrian and Lower Austrian lazulite occurrences, Austria. American Mineralogist: 83: 625-630.
Canadian Mineralogist (2002): 40: 1657-1673.
Výravský, J., Novák, M., and Škoda, R. (2017) Formation of pretulite (ScPO4) by recrystallization of Sc-rich precursors in Dolní Bory pegmatite: Evidence for different mobility of Sc, Y, REE and Zr in hydrothermal conditions. Chemical Geology: 449: 30-40.

Internet Links for PretuliteHide

Localities for PretuliteHide

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.
Austria (TL)
 
  • Styria
    • Bruck-Mürzzuschlag District
      • Krieglach
        • Freßnitzgraben
          • Alpl
Bernhard, F. et al. (1998)
unpublished; SEM-EDS on polished thin section by Franz Bernhard
SEM-EDS on polished section, 15.1.2005, Franz Bernhard
Bernhard, F. (1998): Paragenetische, mineralchemische und röntgenographische Daten von Bearthit vom Lazulithfundpunkt am Rotriegel, Freßnitzgraben bei Krieglach, Fischbacher Alpen, Steiermark. Mitteilungen der Abteilung für Mineralogie am Landesmuseum Joanneum, 62/63, 49-54.
unpublished; SEM-EDS on polished thin sections by Franz Bernhard
        • Traibachgraben
          • Traibach
      • Langenwang
        • Pretulgraben
unpublished; SEM-EDS on polished thin section by Franz Bernhard
      • Mürzzuschlag
        • Hönigsberg
Bernhard, F. (2006)
    • Hartberg-Fürstenfeld District
Franz Bernhard, unpublished
Czech Republic
 
  • Vysočina Region
    • Žďár nad Sázavou District
      • Bory
Novák, M.: Niobový a tantalový rutil – hojné variety rutilu. Minerál, 2004, roč. 12, č. 6, s. 428-431.
Novák, M.: Niobový a tantalový rutil – hojné variety rutilu. Minerál, 2004, roč. 12, č. 6, 428-431.
France
 
  • Pays de la Loire
    • Loire-Atlantique
      • Châteaubriant-Ancenis
E. Gloaguen : "Original Mineralogical Features of a Hydrothermalized Oolitic Ironstone : The Deposit of Saint-Aubin-des-Châteaux (Armorican Massif, France)", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.
        • Saint-Aubin-des-Châteaux
Moëlo, Y., Gloaguen, E., Lulzac, Y. (2006): III. Les minéraux de Saint-Aubin. Le Cahier des Micromonteurs, 1/2006, 13-25
Japan
 
  • Kagoshima Prefecture
    • Satsumasendai City
Takahiro Tanaka, Masato Nagahara, Haruo Takahashi, Masahiro Hashimoto, Takashi Yamada, Ritsuro Miyawaki, Koichi Momma, Masako Shigeoka, Akiko Tokumoto, Satoshi Matsubara (2015) Sc phosphate minerals in hydrothermal quartz veins from Satsumasendai City, Kagoshima Prefecture, Japan.
Norway
 
  • Viken
    • Eidsvoll
      • Minnesund
Rondeau, B., Fritsch, E., Peucat, J.-J., Nordrum, F.S. & Groat, L. (2008): Characterization of Emeralds from a historical deposit: Byrud (Eidsvoll), Norway. Gems & Gemology, 44, 108-122
Sweden
 
  • Värmland County
    • Torsby
Frank K. Mazdab specimen (Analysed with EMPA, see further info in caption photo id 840375 )
 
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