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Corvusite

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Formula:
(Na,K,Ca,Mg)
 
2
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
· 6-10H
 
2
O
System:MonoclinicColour:Blue-black, brown
Hardness:2½ - 3
Member of:Straczekite Group
Name:From "corvus", raven, in allusion to the color.


Similar to fernandinite.

Classification of Corvusite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/G.11-40
Nickel-Strunz 10th (pending) edition ID:4.HE.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
E : Phyllovanadates
Dana 8th edition ID:47.3.2.2

47 : VANADIUM OXYSALTS
3 : Hydrated Normal Vanadium Oxysalts
Hey's CIM Ref.:7.12.11

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

Co-type Localities:Ponto No. 3 Claim, Gypsum Valley District, San Miguel Co., Colorado, USA
Jack claim, La Sal District, North Mountain, La Sal Mts, Grand Co., Utah, USA
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 (measured):2.82 g/cm3

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:
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
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
· 6-10H
 
2
O
Simplified for copy/paste:(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20·6-10H2O
Essential elements:H, Na, O, V
All elements listed in formula:Ca, Fe, H, K, Mg, Na, O, V

Relationship of Corvusite to other Species

Member of:Straczekite Group
Other Members of Group:

- +
Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
· 9H
 
2
O
Bokite
(Al,Fe
3+
 
)
 
1.3
(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
8
O
 
20
· 7.4H
 
2
O
Fernandinite
(Ca,K)(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
· 10H
 
2
O
Straczekite
(Ca,K,Ba)(V
5+
 
,V
4+
 
)
 
8
O
 
20
· 3H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
4.HE.05Melanovanadite
Ca(V
5+
 
,V
4+
 
)
 
4
O
 
10
· 5H
 
2
O
4.HE.10Shcherbinaite
V
5+
2
O
 
5
4.HE.15Hewettite
CaV
 
6
O
 
16
· 9H
 
2
O
4.HE.15Metahewettite
CaV
 
6
O
 
16
· 3H
 
2
O
4.HE.20Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
· 9H
 
2
O
4.HE.20Bokite
(Al,Fe
3+
 
)
 
1.3
(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
8
O
 
20
· 7.4H
 
2
O
4.HE.20Fernandinite
(Ca,K)(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
· 10H
 
2
O
4.HE.20Straczekite
(Ca,K,Ba)(V
5+
 
,V
4+
 
)
 
8
O
 
20
· 3H
 
2
O
4.HE.25Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
4.HE.30Doloresite
V
4+
3
O
 
4
(OH)
 
4
4.HE.35Duttonite
V
4+
 
O(OH)
 
2
4.HE.40Cavoite
CaV
4+
3
O
 
7
Related Minerals - Hey's Index Grouping:

- +
7.12.1Montroseite
(V
3+
 
,Fe
3+
 
)O(OH)
7.12.2 Scherbinaite
7.12.3Paramontroseite
V
4+
 
O
 
2
7.12.4Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
7.12.5Duttonite
V
4+
 
O(OH)
 
2
7.12.6Doloresite
V
4+
3
O
 
4
(OH)
 
4
7.12.7Lenoblite
V
4+
2
O
 
4
· 2H
 
2
O
7.12.8Navajoite
Fe
3+
 
V
5+
9
O
 
24
· 12H
 
2
O
7.12.9Vanoxite
V
4+
4
V
5+
2
O
 
13
· 8H
 
2
O
7.12.10Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
· 9H
 
2
O
7.12.12Simplotite
CaV
4+
4
O
 
9
· 5H
 
2
O
7.12.13Kyzylkumite
Ti
 
2
V
3+
 
O
 
5
(OH)
7.12.14Schreyerite
V
3+
2
Ti
 
3
O
 
9
7.12.15Berdesinskiite
V
3+
2
TiO
 
5
7.12.16Tivanite
V
3+
 
TiO
 
3
(OH)
7.12.17Mannardite
Ba(Ti
4+
6
V
3+
2
)O
 
16
7.12.18Karelianite
V
3+
2
O
 
3
7.12.19Coulsonite
Fe
2+
 
V
3+
2
O
 
4
7.12.20Nolanite
(V
3+
 
,Fe
3+
 
,Fe
2+
 
,Ti)
 
10
O
 
14
(OH)
 
2
7.12.21Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
7.12.22Tantite
Ta
 
2
O
 
5
7.12.23Kimrobinsonite
(Ta,Nb)(OH)
 
5-2x
(O,CO
 
3
)
 
x
; x near 1.2

Other Names for Corvusite

Synonyms:
Blue-black Ore
Other Languages:
German:Corvusit
Russian:Корвусит
Simplified Chinese:水复钒矿
Spanish:Corvusita
Traditional Chinese:水復釩礦

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 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

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Corvusite details from Handbook of Mineralogy (PDF)
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  • Localities for Corvusite

    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.
    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.
        • 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
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