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Corvusite

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Formula:
(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2O
System:
Monoclinic
Colour:
Blue-black, brown
Hardness:
2½ - 3
Name:
From "corvus", raven, in allusion to the color.
Similar to fernandinite.

Classification of Corvusite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.HE.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
E : Phyllovanadates
47.3.2.2

47 : VANADIUM OXYSALTS
3 : Hydrated Normal Vanadium Oxysalts
7.12.11

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
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Type Occurrence of Corvusite

Year of Discovery:
1933

Physical Properties of Corvusite

Diaphaneity (Transparency):
Opaque
Colour:
Blue-black, brown
Streak:
Blue-black to brown
Hardness (Mohs):
2½ - 3
Fracture:
Conchoidal
Density:
2.82 g/cm3 (Measured)    

Crystallography of Corvusite

Crystal System:
Monoclinic
Cell Parameters:
a = 11.7Å, b = 3.64Å, c = 11.1Å
β = 103.47°
Ratio:
a:b:c = 3.214 : 1 : 3.049
Unit Cell Volume:
V 459.72 ų (Calculated from Unit Cell)
Morphology:
Massive.
X-Ray Powder Diffraction Data:
d-spacingIntensity
10.82 (100)
3.590 (6)
3.464 (18)
3.255 (2)
2.595 (3)
1.934 (4)
1.819 (6)
Comments:
Very similar to the data for fernandinite.

Chemical Properties of Corvusite

Formula:
(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2O
Essential elements:
All elements listed in formula:

Relationship of Corvusite to other Species

Other Members of Group:
BarianditeAl0.6(V5+,V4+)8O20 · 9H2O
Bokite(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20 · 7.4H2O
Fernandinite(Ca,K)(V5+,V4+,Fe2+)8O20 · 10H2O
Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2O
4.HE.05MelanovanaditeCa(V5+,V4+)4O10 · 5H2O
4.HE.10ShcherbinaiteV25+O5
4.HE.15HewettiteCaV6O16 · 9H2O
4.HE.15MetahewettiteCaV6O16 · 3H2O
4.HE.20BarianditeAl0.6(V5+,V4+)8O20 · 9H2O
4.HE.20Bokite(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20 · 7.4H2O
4.HE.20Fernandinite(Ca,K)(V5+,V4+,Fe2+)8O20 · 10H2O
4.HE.20Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2O
4.HE.25HäggiteV3+V4+O2(OH)3
4.HE.30DoloresiteV34+O4(OH)4
4.HE.35DuttoniteV4+O(OH)2
4.HE.40CavoiteCaV34+O7
7.12.1Montroseite(V3+,Fe3+)O(OH)
7.12.2 Scherbinaite
7.12.3ParamontroseiteV4+O2
7.12.4HäggiteV3+V4+O2(OH)3
7.12.5DuttoniteV4+O(OH)2
7.12.6DoloresiteV34+O4(OH)4
7.12.7LenobliteV24+O4 · 2H2O
7.12.8NavajoiteFe3+V95+O24 · 12H2O
7.12.9VanoxiteV44+V25+O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2O
7.12.12SimplotiteCaV44+O9 · 5H2O
7.12.13KyzylkumiteTi2V3+O5(OH)
7.12.14SchreyeriteV23+Ti3O9
7.12.15BerdesinskiiteV23+TiO5
7.12.16TivaniteV3+TiO3(OH)
7.12.17MannarditeBa(Ti64+V23+)O16
7.12.18KarelianiteV23+O3
7.12.19CoulsoniteFe2+V23+O4
7.12.20Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2
7.12.21Vuorelainenite(Mn,Fe)(V,Cr)2O4
7.12.22TantiteTa2O5
7.12.23Kimrobinsonite(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2

Other Names for Corvusite

Name in Other Languages:
German:Corvusit
Simplified Chinese:水复钒矿
Spanish:Corvusita
Traditional Chinese:水復釩礦

Other Information

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 Corvusite

Reference List:
Henderson and Hess (1933), American Mineralogist: 18: 195.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 602-603.

Evans, Jr., H.T., and Hughes, J.M. (1990): Crystal chemistry of the natural vanadium bronzes. American Mineralogist 75, 508-521.

Canadian Mineralogist (1994): 32: 339-351.

American Mineralogist (1995): 80: 407.

Internet Links for Corvusite

Localities for Corvusite

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.
Gabon
 
  • Haut-Ogooué Province
    • Franceville
J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF.
Kazakhstan
 
  • Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast')
    • Karatau Range
      • Aksumbe
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
USA
 
  • Arizona
    • Apache Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 189; Chenoweth, W.L. (1967), The uranium deposits of the Lukachukai Mountains, in New Mexico Geol. Soc. Guidebook 18th. Field Conf., Guidebook of Defiancee-Zuni-Mt. Taylor region, AZ & NM: 78-85.
      • Navajo Indian Reservation
        • Monument Valley
          • Monument No. 2 channel
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 189; Finnell, T.L. (1957), Structural control of uranium ore at the Monument No. 2 mine, Apache Co., AZ, Econ.Geol.: 52: 25-35; Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 97 (Table 2), 104-105; Young, R.G. (1964), Distribution of uranium deposits in the White Canyon-Monument Valley district UT-AZ, Econ.Geol.: 59: 850-973; Weeks, A.D. et al (1955), Navajoite, a new vanadium oxide from AZ, Am.Min.: 40: 207-212.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 181, 189, 258; Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ: 115; Young, R.G. (1964), Distribution of uranium deposits in the White Canyon-Monument Valley district, UT-AZ, Econ.Geol.: 59: 850-973; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 34.
    • Navajo Co.
      • Navajo Indian Reservation
        • Monument Valley
          • Mystery Valley
            • Monument No. 1 channel
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 189; Witkind, Irving J. & Thaden (1963), USGS Bull. 1103, Geology & Uranium-Vanadium Deposits of the Monument Valley Area Apache and Navajo Counties, Arizona: 68, 135; Witkind, I.J. (1961), The uranium-vanadium ore deposit at the Monument No. 1-Mitten No. 2 mine, Monument Valley, Navajo Co., AZ, USGS Bull. 1107-C: 219-242; Evensen, C.G. & I.B. Gray (1958), Evaluation of uranium ore guides, Monument Valley, AZ & UT, Econ. Geol.: 53: 639-662; Holland, H.D., et al (1958), The use of leachable uranium in geochemical prospecting on the Colorado Plateau-II, The distribution of leachable uranium in surface samples in the vicinity of ore bodies, Econ.Geol.: 53: 190-209.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 181, 262; Evensen, C.G. & I.B. Gray (1958), Evaluation of uranium ore guides, Monument Valley, AZ and UT, Econ.Geol.: 53: 639-662.
          • Skeleton Mesa
Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 150-151.
  • Colorado
    • Garfield Co.
      • East Rifle Creek area
Minerals of Colorado (1997) Eckels, E. B.
Minerals of Colorado (1997) Eckels, E. B.
    • Mesa Co.
      • Uravan District
        • Calamity Mesa
Minerals of Colorado (1997) E.B. Eckels
    • Montrose Co.
      • Gypsum Valley
Nikischer, Tony, Mineral News, February, 2015
      • Uravan District
        • Bull Canyon
USGS Prof Paper 320
Minerals of Colorado (1997) Eckels, E. B.; Am Min (1964) 49:1511-1526
Am Min (1964) 49:1511-1526
        • Paradox Valley
Minerals of Colorado (1997) Eckels, E. B.; USGS Bull 1042F
USGS Prof Paper 320
USGS Prof Paper 320
Minerals of Colorado (1997) E.B. Eckels
    • San Miguel Co.
      • Gypsum Valley District
Amer.Min.(1933) 18, 195-205
American Mineralogist (1935): 20: 769-772.
Amended Technical Report on Energy Fuels Resources Corporation’s Willhunt Property
      • Slick Rock District
Minerals of Colorado (1997) E.B. Eckels
Minerals of Colorado (1997) Eckels, E. B.
Rakovan, J., Schmidt, G. Gunter, M., Nash, B., Marty, J, Kampf, A.R., and Wise, W.S. (2011) Hughesite Na3AlV10O28∙22H2O, a new member of the pascoite family of minerals from the Sunday Mine, San Miguel County, Colorado. Canadian Mineralogist, 49:1253-1265.
      • Uravan District
        • Carnation Mine group
Excalibur Mineral Co. sample and analysis
  • New Mexico
    • Cibola Co.
Minerals of New Mexico 3rd ed.
Minerals of New Mexico 3rd ed.
    • McKinley Co.
      • Gallup District
        • Church Rock area
Hilpert, Lowell S. (1969) Uranium resources of northwestern New Mexico. USGS Professional Paper 603
      • Grants District
        • Ambrosia Lake area
NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    • San Juan Co.
Northrop, Minerals of New Mexico, 3rd. Rev. Ed., 1996
        • Eastside mines
Minerals of New Mexico 3rd ed.
Minerals of New Mexico 3rd ed.
  • South Dakota
    • Custer Co.
USGS Bull 1063F
    • Fall River Co.
R&M 75:3 pp 156-169; USGS Bull 1063D; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp345-349
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
          • Ridge Runner mine
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
USGS Bull 1063F
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
        • Red Canyon
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"; USGS Bull 1009G
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
UGMS Bull 117 Minerals and Mineral Localities of Utah
          • North Mesa 1; 2; 5 Mines (Camp Bird No. 13 Claim)
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
DANA R. KELLEY AND PAUL F. KERR (1958) URANO-ORGANIC ORE AT TEMPLE MOUNTAIN, UTAH. BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA VOL. 69. PP. 701-756.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp285-297
UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Grand Co.
      • La Sal Mts
        • North Mountain
          • La Sal District
Dana 7:I:603.
      • Thompsons District (S. E. Thomsons)
UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Parco Mine Group
UGMS Bull 117 Minerals and Mineral Localities of Utah; Am Min (1964) 49:1511-1526; American Mineralogist (1956) Vol. 41, pp. 156-157
      • Yellow Cat District (W. part of Thompsons District)
        • Cisco
Miklancic collection, 47/47
    • San Juan Co.
      • Big Indian District (Big Indian Wash - Lisbon Valley Area)
Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp195-201
      • Elk Ridge
Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp195-201
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
      • La Sal District (Paradox Valley District)
        • La Sal Creek Canyon
UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Lyon Canyon Creek
UGMS Bull 117 Minerals and Mineral Localities of Utah
      • La Sal Quadrangle
UGMS Bull 117 Minerals and Mineral Localities of Utah
Canadian Mineralogist (2001) 39, pp. 1691-1700
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Monument Valley
        • Monument Valley District (Monumental District)
          • Goulding
            • Oljeto Mesa
UGMS Bull 117 Minerals and Mineral Localities of Utah
Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp263-279
      • Paradox Valley
        • Paradox Valley District
UGMS Bull 117 Minerals and Mineral Localities of Utah
Uzbekistan
 
  • Kyzylkum Desert
    • Kokpatas village
Mineraly Uzbekistana(Minerals of the Uzbekistan) - izd."FAN" UzbSSR-vol.1-4 - 1976-1977
Mineral and/or Locality  
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