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Tangeite

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Formula:
CaCu(VO4)(OH)
System:
Orthorhombic
Colour:
yellow, yellow-green, ...
Lustre:
Sub-Vitreous, Resinous, Pearly
Hardness:
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

Approved
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
41.5.1.6

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
21.1.13

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

Place of Conservation of First Recorded Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia,
(m6065, m6066, & m6068).
Year of Discovery:
1925
Geological Setting of First Recorded Material:
Sedimentary deposits

Occurrences of Tangeite

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

Physical Properties of Tangeite

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:
3.75 g/cm3 (Measured)    3.84 g/cm3 (Calculated)

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 Data:
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
Max Birefringence:
δ = 0.080
Image 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(VO4)(OH)
Essential elements:
All elements listed in formula:

Relationship of Tangeite to other Species

Series:
Forms a series with Conichalcite (see here)
Other Members of Group:
AdeliteCaMg(AsO4)(OH)
ArsendescloizitePbZn(AsO4)(OH)
AustiniteCaZn(AsO4)(OH)
ČechitePb(Fe2+,Mn2+)(VO4)(OH)
CobaltaustiniteCaCo(AsO4)(OH)
ConichalciteCaCu(AsO4)(OH)
DescloizitePb(Zn,Cu)(VO4)(OH)
DuftitePbCu(AsO4)(OH)
GabrielsonitePbFe(AsO4)(OH)
GottlobiteCaMg(VO4,AsO4)(OH)
HermannroseiteCaCu(PO4)(OH)
MottramitePbCu(VO4)(OH)
NickelaustiniteCa(Ni,Zn)(AsO4)(OH)
PyrobelonitePbMn2+(VO4)(OH)
8.BH.05ThadeuiteCa(Mg,Fe2+)3(PO4)2(OH,F)2
8.BH.10DurangiteNaAl(AsO4)F
8.BH.10IsokiteCaMg(PO4)F
8.BH.10LacroixiteNaAl(PO4)F
8.BH.10MaxwelliteNaFe3+(AsO4)F
8.BH.10PanasqueiraiteCaMg(PO4)(OH,F)
8.BH.10TilasiteCaMg(AsO4)F
8.BH.15DrugmanitePb(Fe3+,Al)2(PO4)2(OH)2
8.BH.20Bjarebyite(Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3
8.BH.20CirroliteCa3Al2(PO4)3(OH)3 (?)
8.BH.20KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3
8.BH.20PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3
8.BH.20PerloffiteBa(Mn2+,Fe2+)2Fe23+(PO4)3(OH)3
8.BH.20JohntomaiteBaFe22+Fe23+(PO4)3(OH)3
8.BH.25Bertossaite(Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4
8.BH.25Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
8.BH.30CarminitePbFe23+(AsO4)2(OH)2
8.BH.30SewarditeCaFe23+(AsO4)2(OH)2
8.BH.35AdeliteCaMg(AsO4)(OH)
8.BH.35ArsendescloizitePbZn(AsO4)(OH)
8.BH.35AustiniteCaZn(AsO4)(OH)
8.BH.35CobaltaustiniteCaCo(AsO4)(OH)
8.BH.35ConichalciteCaCu(AsO4)(OH)
8.BH.35DuftitePbCu(AsO4)(OH)
8.BH.35GabrielsonitePbFe(AsO4)(OH)
8.BH.35NickelaustiniteCa(Ni,Zn)(AsO4)(OH)
8.BH.35GottlobiteCaMg(VO4,AsO4)(OH)
8.BH.35HermannroseiteCaCu(PO4)(OH)
8.BH.40ČechitePb(Fe2+,Mn2+)(VO4)(OH)
8.BH.40DescloizitePb(Zn,Cu)(VO4)(OH)
8.BH.40MottramitePbCu(VO4)(OH)
8.BH.40PyrobelonitePbMn2+(VO4)(OH)
8.BH.45BayldonitePbCu3(AsO4)2(OH)2
8.BH.45VésigniéiteBaCu3(VO4)2(OH)2
8.BH.50PaganoiteNiBi(AsO4)O
8.BH.55JagoweriteBaAl2(PO4)2(OH)2
8.BH.60Attakolite(Ca,Sr)Mn(Al,Fe)4(HPO4,PO4)3(SiO4,PO4)(OH)4
8.BH.65LeningraditePbCu3(VO4)2Cl
21.1.1MetamuniriteNaVO3
21.1.2MuniriteNaVO3 · 1.9H2O
21.1.3Barnesite(Na,Ca)V6O16 · 3H2O
21.1.4Bannermanite(Na,K)0.7V4+0.7V5+5.3O15
21.1.5HowardevansiteNaCuFe2(VO4)3
21.1.6HuemuliteNa4Mg(V10O28) · 24H2O
21.1.7Blossiteα-Cu2(V2O7)
21.1.8Ziesiteβ-Cu2(V2O7)
21.1.9StoiberiteCu5(VO4)2O2
21.1.10McbirneyiteCu3(VO4)2
21.1.11FingeriteCu11(VO4)6O2
21.1.12VolborthiteCu3(V2O7)(OH)2 · 2H2O
21.1.14VésigniéiteBaCu3(VO4)2(OH)2
21.1.15LyonsiteCu3Fe4(VO4)6

Other Names for Tangeite

Other Information

Other Information:
Soluble in acids.
Health Risks:
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

Localities for Tangeite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
  • Tuscany
    • Massa-Carrara Province
      • Apuan Alps
Orlandi, P. (2011): Zibaldone di mineralogia italiana 2010. Micro, 1/2011, 39-42
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.
      • Toquima Range
        • 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
    • Tooele Co.
      • Oquirrh Mts
        • Mercur District (Camp Floyd District)
Rick Dalrymple Collection
Mineral and/or Locality  
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