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Tangeite

Big Photo

Monument Valley, Navajo Indian Reservation, Navajo Co., Arizona, USA
© viccloete

Show Tangeite Photos (14)
Formula:
CaCu[OH|VO
 
4
]
System:OrthorhombicColour:yellow, yellow-green, ...
Lustre:Vitreous, PearlyHardness:3½
Name:Named after its discovery locality in the Tange Gorge, Ferghana Valley, Alai Mountains, Kyrgyzstan.


Adelite-Descloizite Group. Conichalcite-Tangeite Series.

This name replaced calciovolborthite.

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), Fergana Valley, Osh Oblast, Kyrgyzstan
Place of Conservation of Type Material:A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia,
(m6065, m6066, & m6068).

Occurrences of Tangeite

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

Physical Properties of Tangeite

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Comment:Lustre pearly on cleavage surfaces.
Colour:yellow, yellow-green, olive green, green to dark green; light green in transmitted light.
Hardness (Mohs):3½
Tenacity:Brittle
Cleavage:Perfect
On {010}, perfect; on {001}, good.

Crystallography of Tangeite

Crystal System:Orthorhombic
Class (H-M):2 2 2 - Disphenoidal
Space Group: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 rare and short prismatic with acute terminations. Occurs as scaly aggregates, rosette-shaped at times, also fibrous to dense massive, botryoidal to spheroidal.

Optical Data of Tangeite

Type:Biaxial (-)
RI values: nα = 2.010 nβ = 2.050 nγ = 2.090
2V:Measured: 83° , Calculated: 88°
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
Pleochroism:Visible
Comments:X = Brown
Y = Brown
Z = Green

Chemical Properties of Tangeite

Formula:
CaCu[OH|VO
 
4
]
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)
Related Minerals - Nickel-Strunz Grouping):

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

- +
21.1.1Metamunirite
NaVO
 
3
21.1.2Munirite
NaVO
 
3
·2H
 
2
O
21.1.3Barnesite
Na
 
2
[V
 
2
O
 
6
|V
 
4
O
 
10
] · 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
[O
 
2
|(VO
 
4
)
 
2
]
21.1.10Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
21.1.11Fingerite
Cu
 
11
[O
 
2
|(VO
 
4
)
 
6
]
21.1.12Volborthite
Cu
 
3
[(OH)
 
2
|V
 
2
O
 
7
] · 2H
 
2
O
21.1.14Vésigniéite
BaCu
 
3
[OH|VO
 
4
]
 
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
Spanish:Calciovolborthita
Calcovolborthita
Tangëita
Tanguéita

Other Information

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.

Articles/Blogs about Tangeite

Internet Links for Tangeite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    Localities for Tangeite

    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.
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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.
    Austria
     
    • Salzburg
      • Hallein
        • Adnet
          • Limestone quarries
    		A. Strasser: Die Minerale Salzburgs (1989)
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
        • Taltal
    		Bob Jenkins collection
    Germany
     
    • Lower Saxony
      • Harz Mts
        • Bad Lauterberg
    		No reference listed
    • Rhineland-Palatinate
      • Eifel Mts
        • 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
    		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
      • 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.
    Namibia
     
    • Kunene Region
      • Damaraland District
    		No reference listed
    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
    		[Specimen in the Natural History Museum, London]
    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]
      • 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.
      • San Bernardino Co.
        • Camp Signal 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.
    • 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.
        • Telluride 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.
        • Monument Valley
          • Monument Valley District (Monumental District)
            • Monitor Butte
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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