Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Stranskiite

Big Photo

Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© Brent Thorne

Show Stranskiite Photos (5)
Formula:
(Zn,Cu)
 
3
[AsO
 
4
]
 
2
System:TriclinicColour:Cyan-blue
Hardness:4
Name:
Honoring Professor Iwan N. Stranski (1897–1979), German chemist and physicist, Berlin, Germany.
This page provides mineralogical data about Stranskiite.

Classification of Stranskiite

IMA status:Approved
Strunz 8th edition ID:7/A.09-20
Nickel-Strunz 10th (pending) edition ID:8.AB.35

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
Dana 7th edition ID:38.3.7.1
Dana 8th edition ID:38.3.7.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
Hey's CIM Ref.:20.3.7

20 : Arsenates (also arsenates with phosphate, but without other anions)
3 : Arsenates of Zn, Cd or Hg
mindat.org URL:http://www.mindat.org/min-3798.html
Please feel free to link to this page.

Type Occurrence of Stranskiite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1960
Geological Setting of type material:Oxidation zone of dolostone hosted hydrothermal metal deposit.

Physical Properties of Stranskiite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Cyan-blue
Hardness (Mohs):4
Cleavage:Distinct/Good
Good on {010}, indistinct on {100} {001} {101}
Density (measured):5.23 - 5.3 g/cm3
Density (calculated):5.05(5) g/cm3

Crystallography of Stranskiite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 5.07Å, b = 6.66Å, c = 5.26Å
α = 109.85°, β = 112.14°, γ = 86.88°
Ratio:a:b:c = 0.761 : 1 : 0.79
Unit Cell Volume:V 154.19 ų (Calculated from Unit Cell)
Z:1
Morphology:Tabular crystals in radiating aggregates and massive

Optical Data of Stranskiite

Type:Biaxial (-)
RI values: nα = 1.795 nβ = 1.842 nγ = 1.874
2V:Measured: 80° , Calculated: 76°
Maximum Birefringence:δ = 0.079

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r << v

Chemical Properties of Stranskiite

Formula:
(Zn,Cu)
 
3
[AsO
 
4
]
 
2
Essential elements:As, O, Zn
All elements listed in formula:As, Cu, O, Zn

Relationship of Stranskiite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AB.05Farringtonite
Mg
 
3
[PO
 
4
]
 
2
8.AB.10Ferrisicklerite
(Fe
3+
 
,LiMn
2+
 
)[PO
 
4
]
8.AB.10Heterosite
(Fe
3+
 
,Mn
3+
 
)[PO
 
4
]
8.AB.10Lithiophilite
LiMn
2+
 
[PO
 
4
]
8.AB.10Natrophilite
NaMn
2+
 
[PO
 
4
]
8.AB.10Purpurite
(Mn
3+
 
,Fe
3+
 
)[PO
 
4
]
8.AB.10Sicklerite
(LiMn
2+
 
,Fe
3+
 
)[PO
 
4
]
8.AB.10Simferite
Li(Mg,Fe
3+
 
,Mn
3+
 
)
 
2
[PO
 
4
]
 
2
8.AB.10Triphylite
LiFe
2+
 
[PO
 
4
]
8.AB.15Sarcopside
(Fe
2+
 
,Mn
2+
 
,Mg)
 
3
[PO
 
4
]
 
2
8.AB.15Chopinite
(Mg,Fe
2+
 
)
 
3
[PO
 
4
]
 
2
8.AB.20Beusite
(Mn
2+
 
,Fe
2+
 
,Ca,Mg)
 
3
[PO
 
4
]
 
2
8.AB.20Graftonite
(Fe
2+
 
,Mn
2+
 
,Ca)
 
3
[PO
 
4
]
 
2
8.AB.25Xanthiosite
Ni
 
3
[AsO
 
4
]
 
2
8.AB.30Lammerite
Cu
 
3
[AsO
 
4
]
 
2
8.AB.30IMA2009-002
Cu
 
3
(AsO
 
4
)
 
2
8.AB.35Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
8.AB.40Lyonsite
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6
Related Minerals - Hey's Index Grouping:

- +
20.3.1Adamite
Zn
 
2
(AsO
 
4
)(OH)
20.3.2Paradamite
Zn
 
2
[OH|AsO
 
4
]
20.3.3Koritnigite
Zn[HAsO
 
4
] · H
 
2
O
20.3.4Legrandite
Zn
 
2
[OH|AsO
 
4
] · H
 
2
O
20.3.5Warikahnite
Zn
 
3
(AsO
 
4
)
 
2
·2H
 
2
O
20.3.6Köttigite
Zn
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.3.8Philipsburgite
(Cu,Zn)
 
6
[(OH)
 
3
|(AsO
 
4
,PO
 
4
)]
 
2
 · H
 
2
O
20.3.9Austinite
CaZn[OH|AsO
 
4
]
20.3.10Prosperite
CaZn
 
2
[OH|HAsO
 
4
|AsO
 
4
]
20.3.11Gaitite
Ca
 
2
Zn[AsO
 
4
]
 
2
 · 2H
 
2
O
20.3.12Zincroselite
Ca
 
2
Zn[AsO
 
4
]
 
2
 · 2H
 
2
O
20.3.13O'Danielite
Na(Zn,Mg)
 
3
H
 
2
(AsO
 
4
)
 
3
20.3.14Johillerite
Na(Mg,Zn)
 
3
Cu[AsO
 
4
]
 
3
20.3.15Holdenite
(Mn
2+
 
,Mg)
 
6
Zn
 
3
[(OH)
 
8
|(AsO
 
4
)
 
2
|SiO
 
4
]
20.3.16Chudobaite
(Mg,Zn)
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
20.3.17Chlorophoenicite
(Mn,Mg)
 
3
Zn
 
2
(AsO
 
4
)(OH,O)
 
6
20.3.18Lotharmeyerite
Ca(Zn,Mn
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
20.3.19Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
·8(H
 
2
O,OH)
20.3.20Ojuelaite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
20.3.21Fahleite
Zn
 
5
CaFe
 
2
(AsO
 
4
)
 
6
·14H
 
2
O
20.3.22Keyite
Cu
2+
3
Zn
 
4
Cd
 
2
(AsO
 
4
)
 
6
·2H
 
2
O

Other Names for Stranskiite

Other Languages:
German:Stranskiit
Russian:Странскиит
Spanish:Stranskiita

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 Stranskiite

Reference List:Strunz, H. (1960) Stranskiit, ein neues Mineral. Naturwiss., 47, 376 (in German).

American Mineralogist (1960): 45: 1315 (abstract).

Hänni, H.A., W.B. Stern, and M. Glor (1978) New data on stranskiite from Tsumeb, Namibia. American Mineralogist (1978): 63: 213-215.

Keller, P., H. Hess, and P.J. Dunn (1979) Die Ladungsbilanz für eine verfeinerte Kristallstruktur von Stranskiit, Zn2Cu(AsO4)2. Tschermaks Mineralogische und Petrographische Mitteilungen: 26(3): 167-174.

Zeitschrift für Kristallographie: 124: 91-100.

Zeitschrift für Kristallographie: 130: 231-233.

Internet Links for Stranskiite

Search Engines:
  • Look for Stranskiite on Google
  • Look for Stranskiite images on Google
    • External Links:
  • Look for Stranskiite on Webmineral
  • Look for Stranskiite on Athena Mineralogy
  • Look for Stranskiite on Wikipedia
  • Look for Stranskiite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Stranskiite in the Natural History Museum (London) online catalogue
  • Stranskiite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • SpiriferMinerals.com - high quality specimens
  • Buy fine minerals and gemstones from Pala International
  • Rare and Unusual minerals at Mineralogical Research Company
  • Edwards Minerals - Fine Specimens
  • Top quality minerals from Kristalle of California
  • Buy minerals from Mineralium.com
  • Buy Minerals and Crystals from Crystalarium.com
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • The Arkenstone - Fine Minerals
  • Fabre Minerals - search for Stranskiite specimens
  • Wilensky Fine Minerals
  • rare and unusual minerals mainly crystallized
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Stranskiite

    Hide Locality List
    The 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. ? 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.
    Austria
     
    • Tyrol
      • North Tyrol
        • Inn valley
          • Brixlegg - Schwaz area
            • Brixlegg - Rattenberg
    		Schnorrer, G. & Poeverlein, R. (2005): Schwaz-Brixlegger-Fundstellen: 3. Die Minerale vom Bergbau Maukenötz bei Brixlegg, Tirol. Der Aufschluss, 56, 223-234.
    Germany
     
    • North Rhine-Westphalia
      • Sauerland
        • Iserlohn
          • Letmathe
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Rhineland-Palatinate
      • Lahn valley
    		Wittern: "Mineralfundorte in Deutschland", 2001
          • Frücht
    		Der Aufschluss Vol.55, March/April 2004
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Naturwissenschaften,(1960) 47, 376; J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. IV (2000)
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 22nd Oct 2009 17:30:14