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Phosphowalpurgite

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Big Photo

Smrkovec (Schönficht), Slavkovský Les Mts, Mariánské Lázně (Marienbad), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
© loranth csanad




Formula:
(BiO)
 
4
(UO
 
2
)(PO
 
4
)
 
2
 · 2H
 
2
O
System:TriclinicColour:Brownish grey
Name:P-dominant analogue of Walpurgite


Walpurgite Group.

Classification of Phosphowalpurgite

IMA status:Approved 2001
Strunz 8th edition ID:7/E.10-13
Nickel-Strunz 10th (pending) edition ID:8.EA.05

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
A : UO2:RO4 = 1:2
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Type Occurrence of Phosphowalpurgite

Type Locality:Smrkovec (Schönficht), Slavkovský Les Mts, Mariánské Lázně (Marienbad), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Physical Properties of Phosphowalpurgite

Lustre:Adamantine, Vitreous
Diaphaneity (Transparency):Translucent
Colour:Brownish grey
Density (calculated):4.59 g/cm3

Crystallography of Phosphowalpurgite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 7.06Å, b = 13.238Å, c = 5.464Å
α = 101.22°, β = 109.93°, γ = 87.93°
Ratio:a:b:c = 0.533 : 1 : 0.413
Unit Cell Volume:V 470.6 ų

Optical Data of Phosphowalpurgite

Type:Biaxial

Chemical Properties of Phosphowalpurgite

Formula:
(BiO)
 
4
(UO
 
2
)(PO
 
4
)
 
2
 · 2H
 
2
O
Essential elements:Bi, H, O, P, U
All elements listed in formula:Bi, H, O, P, U

Relationship of Phosphowalpurgite to other Species

Structurally related to group(s):
Walpurgite Group
Related Minerals - Nickel-Strunz Grouping):

- +
8.EA.05Orthowalpurgite
(BiO)
 
4
(UO
 
2
)(AsO
 
4
)
 
2
 · 2H
 
2
O
8.EA.05Walpurgite
(BiO)
 
4
(UO
 
2
)(AsO
 
4
)
 
2
 · 3H
 
2
O
8.EA.10Hallimondite
Pb
 
2
(UO
 
2
)(AsO
 
4
)
 
2
 · nH
 
2
O, 0 ≤ n ≤ 0.5
8.EA.10Parsonsite
Pb
 
2
(UO
 
2
)(PO
 
4
)
 
2
 · 2H
 
2
O
8.EA.15Ulrichite
CaCu(UO
 
2
)(PO
 
4
)
 
2
 · 4H
 
2
O
8.EA.20Lakebogaite
CaNaFe
3+
2
H(UO
 
2
)
 
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O

Other Names for Phosphowalpurgite

Synonyms:
IMA2001-062Unnamed (P-analogue of Walpurgite)
Other Languages:
German:Phosphowalpurgin
Italian:Fosfowalpurgite
Russian:Фосфовальпургит

Other Information

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

References for Phosphowalpurgite

Reference List:

- +
Sejkora, J., Cejka, J., Hlousek, J., Novak, M., Srein, V. (2004): Phosphowalpurgite, the (PO4)-dominant analogue of walpurgite, from Smrkovec, Slavonsky Les Mountains, Czech Republic. Canadian Mineralogist, 42, 963-972.

Internet Links for Phosphowalpurgite

Search Engines:
  • Look for Phosphowalpurgite on Google
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    • External Links:
  • Look for Phosphowalpurgite on Webmineral
  • Look for Phosphowalpurgite on Athena Mineralogy
  • Look for Phosphowalpurgite on Mineralien Atlas
  • Raman and XRD data at RRUFF project[Link Broken?]
  • American Mineralogist Crystal Structure Database[Link Broken?]
  • Mineral Dealers:
  • SpiriferMinerals.com - high quality low prices
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    • Localities for Phosphowalpurgite

    Hide Locality List
    (TL) indicates type locality. ? 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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		AmMin 84:688]
        • Mariánské Lázně (Marienbad)
          • Slavkovský Les Mts
    		Sejkora, J., Cejka, J., Hlousek, J., Novak, M., Srein, V. (2004): Phosphowalpurgite, the (PO4)-dominant analogue of walpurgite, from Smrkovec, Slavonsky Les Mountains, Czech Republic. Canadian Mineralogist, 42, 963-972
    Germany
     
    • Saxony
      • Erzgebirge
        • Annaberg District
          • Annaberg-Buchholz
            • Frohnau
              • Schreckenberg hill
    		Andreas Gerstenberg collection, depicted on FMF Forum website (www.mineral-forum.com)
    Mineral and/or Locality
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