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Tangeite

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Formula:
CaCu(VO
 
4
)(OH)
System:OrthorhombicColour:yellow, yellow-green, ...
Lustre:Sub-Vitreous, Resinous, PearlyHardness:
Member of:Adelite-Descloizite Group
Name:Named by Aleksandr Evgenievich Fersman in 1925 after its discovery locality in the Tange Gorge, Ferghana Valley, Alai Mountains, Kyrgyzstan.


Adelite-Descloizite Group. Conichalcite-Tangeite Series.

This name replaced calciovolborthite (Basso et al., 1994).

A secondary mineral found in sandstone and in the oxidized zones of vanadium-bearing deposits.

Classification of Tangeite

IMA status:Approved
Strunz 8th edition ID:7/B.26-60
Nickel-Strunz 10th (pending) edition ID:8.BH.35

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
Dana 8th edition ID:41.5.1.6

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:21.1.13

21 : Vanadates (and vanadates with arsenate or phosphate)
1 : Vanadates of the alkalis and Cu
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Type Occurrence of Tangeite

Type Locality:Glavnaya vein, Tyuya-Muyun Cu-V-U Deposit (Radium Mine), Alai Range (Alay Range), Osh Oblast, Kyrgyzstan
Place of Conservation of Type Material:A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia,
(m6065, m6066, & m6068).
Year of Discovery:1925
Geological Setting of type material:Sedimentary deposits

Occurrences of Tangeite

Geological Setting:Found in sandstone and in the oxidized zones of vanadium-bearing deposits.

Physical Properties of Tangeite

Lustre:Sub-Vitreous, Resinous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Comment:Luster pearly on cleavage surfaces.
Colour:yellow, yellow-green, olive green, green to dark green; light green in transmitted light.
Streak:light yellow green
Hardness (Mohs):
Tenacity:Brittle
Cleavage:Perfect
On {010}, perfect; on {001}, good.
Density (measured):3.75 g/cm3
Density (calculated):3.84 g/cm3

Crystallography of Tangeite

Crystal System:Orthorhombic
Class (H-M):2 2 2 - Disphenoidal
Space Group:P21 21 21
Space Group Setting:P21 21 21
Cell Parameters:a = 7.45Å, b = 9.26Å, c = 5.91Å
Ratio:a:b:c = 0.805 : 1 : 0.638
Unit Cell Volume:V 407.71 ų (Calculated from Unit Cell)
Z:4
Morphology:Crystals are unusual, platy and short prismatic with acute terminations. Occurs as scaly aggregates, rosette-shaped at times, also fibrous to dense massive, botryoidal to spheroidal.
X-Ray Powder Diffraction:
d-spacingIntensity
5.86 (40)
4.15 (75)
3.73 (40)
3.14 (60)
2.88 (100)
2.61 (100)
1.73 (30)
1.61 (60)
Comments:ICDD 31-265

Optical Data of Tangeite

Type:Biaxial (-)
RI values: nα = 2.010 nβ = 2.050 nγ = 2.090
2V:Measured: 83° , Calculated: 88°
Birefringence:0.08
Maximum Birefringence:δ = 0.080

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v, strong
Optical Extinction:Parallel
Pleochroism:Visible
Comments:X = Brown
Y = Brown
Z = Green
Comments:XYZ = abc

Chemical Properties of Tangeite

Formula:
CaCu(VO
 
4
)(OH)
Simplified for copy/paste:CaCu(VO4)(OH)
Essential elements:Ca, Cu, H, O, V
All elements listed in formula:Ca, Cu, H, O, V

Relationship of Tangeite to other Species

Series:Forms a series with Conichalcite (see here)
Member of:Adelite-Descloizite Group
Other Members of Group:

- +
Adelite
CaMg(AsO
 
4
)(OH)
Arsendescloizite
PbZn(AsO
 
4
)(OH)
Austinite
CaZn(AsO
 
4
)(OH)
Čechite
Pb(Fe
2+
 
,Mn
2+
 
)(VO
 
4
)(OH)
Cobaltaustinite
CaCo(AsO
 
4
)(OH)
Conichalcite
CaCu(AsO
 
4
)(OH)
Descloizite
Pb(Zn,Cu)(VO
 
4
)(OH)
Duftite
PbCu(AsO
 
4
)(OH)
Gabrielsonite
PbFe(AsO
 
4
)(OH)
Gottlobite
CaMg(VO
 
4
,AsO
 
4
)(OH)
Hermannroseite
CaCu(PO
 
4
)(OH)
Mottramite
PbCu(VO
 
4
)(OH)
Nickelaustinite
Ca(Ni,Zn)(AsO
 
4
)(OH)
Pyrobelonite
PbMn
2+
 
(VO
 
4
)(OH)
Common Associates:
VolborthiteMalachiteChrysocollaGoethiteCalcite
BaryteChalcociteChalcopyriteCopperNeotocite
Manganese OxidesCrednerite
Related Minerals - Nickel-Strunz Grouping):

- +
8.BH.05Thadeuite
Ca(Mg,Fe
2+
 
)
 
3
(PO
 
4
)
 
2
(OH,F)
 
2
8.BH.10Durangite
NaAl(AsO
 
4
)F
8.BH.10Isokite
CaMg(PO
 
4
)F
8.BH.10Lacroixite
NaAl(PO
 
4
)F
8.BH.10Maxwellite
NaFe
3+
 
(AsO
 
4
)F
8.BH.10Panasqueiraite
CaMg(PO
 
4
)(OH,F)
8.BH.10Tilasite
CaMg(AsO
 
4
)F
8.BH.15Drugmanite
Pb(Fe
3+
 
,Al)
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BH.20Bjarebyite
(Ba,Sr)(Mn
2+
 
,Fe
2+
 
,Mg)
 
2
Al
 
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Cirrolite
Ca
 
3
Al
 
2
(PO
 
4
)
 
3
(OH)
 
3
(?)
8.BH.20Kulanite
Ba(Fe
2+
 
,Mn
2+
 
,Mg)
 
2
(Al,Fe
3+
 
)
 
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Penikisite
Ba(Mg,Fe
2+
 
,Ca)
 
2
Al
 
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Perloffite
Ba(Mn
2+
 
,Fe
2+
 
)
 
2
Fe
3+
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Johntomaite
BaFe
2+
2
Fe
3+
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.25Bertossaite
(Li,Na)
 
2
(Ca,Fe
2+
 
,Mn
2+
 
)Al
 
4
(PO
 
4
)
 
4
(OH,F)
 
4
8.BH.25Palermoite
(Li,Na)
 
2
(Sr,Ca)Al
 
4
(PO
 
4
)
 
4
(OH)
 
4
8.BH.30Carminite
PbFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BH.30Sewardite
CaFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BH.35Adelite
CaMg(AsO
 
4
)(OH)
8.BH.35Arsendescloizite
PbZn(AsO
 
4
)(OH)
8.BH.35Austinite
CaZn(AsO
 
4
)(OH)
8.BH.35Cobaltaustinite
CaCo(AsO
 
4
)(OH)
8.BH.35Conichalcite
CaCu(AsO
 
4
)(OH)
8.BH.35Duftite
PbCu(AsO
 
4
)(OH)
8.BH.35Gabrielsonite
PbFe(AsO
 
4
)(OH)
8.BH.35Nickelaustinite
Ca(Ni,Zn)(AsO
 
4
)(OH)
8.BH.35Gottlobite
CaMg(VO
 
4
,AsO
 
4
)(OH)
8.BH.35Hermannroseite
CaCu(PO
 
4
)(OH)
8.BH.40Čechite
Pb(Fe
2+
 
,Mn
2+
 
)(VO
 
4
)(OH)
8.BH.40Descloizite
Pb(Zn,Cu)(VO
 
4
)(OH)
8.BH.40Mottramite
PbCu(VO
 
4
)(OH)
8.BH.40Pyrobelonite
PbMn
2+
 
(VO
 
4
)(OH)
8.BH.45Bayldonite
PbCu
 
3
(AsO
 
4
)
 
2
(OH)
 
2
8.BH.45Vésigniéite
BaCu
 
3
(VO
 
4
)
 
2
(OH)
 
2
8.BH.50Paganoite
NiBi(AsO
 
4
)O
8.BH.55Jagowerite
BaAl
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BH.60Attakolite
(Ca,Sr)Mn(Al,Fe)
 
4
(HPO
 
4
,PO
 
4
)
 
3
(SiO
 
4
,PO
 
4
)(OH)
 
4
8.BH.65Leningradite
PbCu
 
3
(VO
 
4
)
 
2
Cl
Related Minerals - Hey's Index Grouping:

- +
21.1.1Metamunirite
NaVO
 
3
21.1.2Munirite
NaVO
 
3
· 1.9H
 
2
O
21.1.3Barnesite
(Na,Ca)V
 
6
O
 
16
· 3H
 
2
O
21.1.4Bannermanite
(Na,K)
 
0.7
V
4+
0.7
V
5+
5.3
O
 
15
21.1.5Howardevansite
NaCuFe
 
2
(VO
 
4
)
 
3
21.1.6Huemulite
Na
 
4
Mg(V
 
10
O
 
28
) · 24H
 
2
O
21.1.7Blossite
α-Cu
 
2
(V
 
2
O
 
7
)
21.1.8Ziesite
β-Cu
 
2
(V
 
2
O
 
7
)
21.1.9Stoiberite
Cu
 
5
(VO
 
4
)
 
2
O
 
2
21.1.10Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
21.1.11Fingerite
Cu
 
11
(VO
 
4
)
 
6
O
 
2
21.1.12Volborthite
Cu
 
3
(V
 
2
O
 
7
)(OH)
 
2
· 2H
 
2
O
21.1.14Vésigniéite
BaCu
 
3
(VO
 
4
)
 
2
(OH)
 
2
21.1.15Lyonsite
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6

Other Names for Tangeite

Synonyms:
CalciovolborthiteCalcio-volborthiteCalcovolborthiteCalcvolborthiteTanguéite
Turkestan-volborthite
Other Languages:
German:Calciovolborthit
Calcovolborthit
Kalkvolborthit
Kalk-volborthit
Tangëit
Tangeit
Tanguéit
Russian:Тангеит
Simplified Chinese:钒钙铜矿
Spanish:Calciovolborthita
Calcovolborthita
Tangëita
Tanguéita
Traditional Chinese:釩鈣銅礦

Other Information

Fluorescence in UV light:Not fluorescent.
Other Information:Soluble in acids.
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 Tangeite

Reference List:

- +
Credner (1848) Annalen der Physik, Halle, Leipzig: 74: 546 (as Kalkvolborthit).

Rammelsberg (as Kalk-volborthit).

Adam, M. (1869) Tableau minéralogique, Paris: 33 (as Calcvolborthite).

D’Achiardi, A. (1883) I Metalli loro Minerali e Miniere. Milan. Volume 2, 635 pp.: 492. (as Calcio-volborthite).

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 154.

Nenadkevič and Volkov (1926) Comptes rendus de l’académie des sciences de l’U.R.S.S., n.s.: 43.

Barth and Berman (1930) Chemie der Erde, Jena: 5: 30.

Strunz (1939) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 101: 496.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 816, 817-818.

Basso, R., Palenzona, A., Zefiro, L. (1989): Crystal structure refinement of a Sr-bearing term related to copper vanadates and arsenates of adelite and descloizite groups. Neues Jahrbuch für Mineralogie, Monatshefte (1989): 300-308.

Basso, R., Palenzona, A., Zefiro, L. (1994): Mineral nomenclature: status of calciovolborthite and tangeite. Neues Jahrbuch für Mineralogie, Monatshefte (1994): 205-208.

American Mineralogist (1995): 80: 185-186.

Internet Links for Tangeite

Search Engines:
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  • External Links:
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  • Look for Tangeite on Wikipedia
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Tangeite details from Handbook of Mineralogy (PDF)
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  • Localities for Tangeite

    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.
    Australia
     
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Leigh Creek
            • Lyndhurst
    Collection of Mark Willoughby
    Austria
     
    • Salzburg
      • Hallein
        • Adnet
    MEIXNER, H. (1976): Neue Mineralfunde aus Österreich XXVI. Carinthia II, 166./86., 11-42. [pp. 19-21: "358. Ged. Kupfer und ein Vanadiummineral (Tangeit) von Adnet, Salzburg"]
    Meixner, H. (1976): New mineral finds from Austria. XXVI. Carinthia 2, 86, 11-42 [as "calciovolborthite"]; A. Strasser: Die Minerale Salzburgs (1989)
    MEIXNER, H. (1978): Neue Mineralfunde aus Österreich XXVIII. Carinthia II, 168./88., 81-103. [P. „419. Neue Mineralfunde aus den Jura-Kalken von Adnet, Salzburg“]; A. Strasser: Die Minerale Salzburgs (1989)
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
        • Taltal
    Bob Jenkins collection
    Germany
     
    • Lower Saxony
      • Harz
        • Bad Lauterberg
    No reference listed
    • Rhineland-Palatinate
      • Eifel
        • Andernach
          • Nickenich
    Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
        • Daun
          • Oberstadtfeld
    Blass, G., Graf , HW., Neue mineralogische Erkenntnisse und neue Funde aus Eifel …., Mineralienwelt 2/1996
        • Mayen
          • Ettringen
            • Bellerberg volcano
    Lapis, 15 (5), 9-36.
    • Schleswig-Holstein
      • Helgoland Island
    Markus Gerstmann - Collection
    • Thuringia
      • Thuringian Forest
        • Friedrichroda
          • Gottlob Hill
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817; Wittern: "Mineralfundorte in Deutschland", 2001
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
    Palenzona A. (1987) - Tangeite e Marsturite di Molinello (1a segnalazione) - Rivista Mineralogica Italiana, Milano, fasc. 3, pp.149-151 and [MinRec 32:355]
            • Reppia
    Redazione (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia Ferrania Club, 19, 3-5.
    Kyrgyzstan
     
    • Osh Oblast
      • Alai Range (Alay Range)
        • Fergana Valley
          • Fergana
    V.Y. Karpenko et al.: Zap. Vses. Mineral. Obshch. 133(2):59-68 (2004)
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Karpenko et al (2005) New Data on Minerals Vol 40 pp37-43
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Namibia
     
    • Kunene Region
      • Khorixas District
        • Mesopotamia Copper Valley
    Niedermayr, G.(2001): Mesopotamia 504 - die Typlokalität des Namibit. In: S. Jahn, O. Medenbach, G. Niedermayr, G. Schneider: Namibia - Zauberwelt edler Steine und Kristalle (1 Edition, in German), 97-99
    • Otjikoto Region (Oshikoto)
      • Tsumeb
    Franz Neuhold collection
    Russia
     
    • Urals Region
      • Middle Urals
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817.
    UK
     
    • England
      • Leicestershire
        • Leicester
    [Specimen in the Natural History Museum, London]; Peter G. Embrey (1978) Fourth Supplementary List of British Minerals. Mineralogical Magazine 42:169-177; Robert J. King and John A. Dixon (1971) A New Occurrence of Vanadium Minerals in Leicestershire. Mineralogical Magazine 38:488-492
    USA
     
    • Arizona
      • Apache & Navajo Cos.
        • White Canyon-Monument Valley District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 295.
      • Apache Co.
        • Navajo Indian Reservation
          • Monument Valley
            • Dinnehotso
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 150, 172; Gavasci, A.T. & P.F. Kerr (1968), Uranium emplacement at Garnet Ridge, Econ.Geol.: 63: 859-876.
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 150; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 71.
      • Coconino Co.
        • Prospect Canyon District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 147, 150, 296, 311, 405, 414; Wenrich, K.J. & H.B. Sutphin (1989), Lithotectonic setting necessary for formation of a uranium-rich, solution-collapse breccia-pipe, Grand Canyon region, AZ, USGS Open File Rept. 89-0173.
      • La Paz Co.
        • New Water Mts
          • New Water District
            • Moore Mine group
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 150.
    [MinRec 14:119]
    Hunt, W. (1983) Calciovolborthite from the New Water Mountains Yuma County, Arizona. Mineralogical Record 14:119
      • Navajo Co.
        • Navajo Indian Reservation
          • Monument Valley
            • Mystery Valley
              • Monument No. 1 channel
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 150; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 71.
      • Yavapai Co.
        • Bradshaw Mts (Bradshaw Range)
          • Big Bug District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 150.
    • California
      • Glenn Co.
        • Chrome
          • Grindstone Creek
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817.
      • Inyo Co.
        • Inyo Mts (Inyo Range)
          • Kearsarge District [2]
            • Kearsarge
    Paul M. Adams (2003) Unusual vanadium minerals from the Green Monster Mine, Inyo County, California. Mineral News, 19, #8.
      • San Bernardino Co.
        • Signal District (Vontrigger District)
          • Goffs
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817; Schrader, Frank Charles, R.W. Stone & Samuel Sanford (1917), Useful minerals of the United States (a revision of Bulletin 585): USGS Bulletin 624: 46; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 116; Pemberton, H. Earl (1983), Minerals of California: 323.
    • Colorado
      • Custer Co.
    Minerals of Colorado (1997) Eckels, E. B.
      • Huerfano Co.
        • La Veta Pass Area
    Minerals of Colorado (1997) Eckels, E. B.
      • Moffat Co.
        • Skull Creek District (Blue Mountain District)
    Minerals of Colorado (1997) Eckels, E. B.; Minerals of Colorado (1997) E.B. Eckels
      • Montrose Co.
        • Uravan District
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
      • Park Co.
        • Garo Area
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817; Minerals of Colorado (1997) Eckel, E. B.
      • San Miguel Co.
        • San Juan Mts
          • Telluride District (Upper San Miguel District)
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 817.
    • Michigan
      • Keweenaw Co.
        • Copper Harbor
    Mineralogy of Michigan (2004) Heinrich & Robinson
    • Nevada
      • Lyon Co.
        • Wilson District
          • Cambridge Hills
    NBMG Spec Pub 31 Minerals of Nevada
        • Yerington District
          • Artesia Lake
    Rocks & Minerals, Nov. 1999
      • Nye Co.
        • Manhattan District
    NBMG Spec Pub 31 Minerals of Nevada
      • Pershing Co.
        • Mill City District
    NBMG Spec Pub 31 Minerals of Nevada
    • New Mexico
      • Socorro Co.
        • Abbey District
    Northrup, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • Utah
      • Grand Co.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
      • San Juan Co.
        • La Sal Quadrangle
    Collected by and in the collection of Brent Thorne.
        • Monument Valley
          • Monument Valley District (Monumental District)
            • Monitor Butte
    UGMS Bull 117 Minerals and Mineral Localities of Utah
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