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Phosphowalpurgite

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
This page provides mineralogical data about Phosphowalpurgite.

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
All elements listed in formula:Bi, H, O, P, U

Relationship of Phosphowalpurgite to other Species

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
(H
 
2
O)
 
8

Other Names for Phosphowalpurgite

Synonyms:
IMA2001-062Unnamed (P analogue of Walpurgite)
Other Languages:
German:Phosphowalpurgin
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.

Articles/Blogs about Phosphowalpurgite

Internet Links for Phosphowalpurgite

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    Localities for Phosphowalpurgite

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    (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)
          • Ostrov
    		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
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