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Doloresite

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About DoloresiteHide

Dolores River
Formula:
V4+3O4(OH)4
Colour:
Nearly black with dark bronzy tarnish. Very fine fragments under oil immersion are reddish brown to yellow red in transmitted light.
Lustre:
Sub-Metallic
Specific Gravity:
3.27 - 3.33
Crystal System:
Monoclinic
Name:
Named for the Dolores River, "a major stream of the Colorado Plateau" and near the type locality.
Often intimately intermixed with other vanadium oxide minerals, especially montroseiteparamontroseite.



Classification of DoloresiteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1957
4.HE.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
E : Phyllovanadates
47.4.7.1

47 : VANADIUM OXYSALTS
4 : Vanadium Bronzes
7.12.6

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta

Physical Properties of DoloresiteHide

Sub-Metallic
Transparency:
Translucent, Opaque
Colour:
Nearly black with dark bronzy tarnish. Very fine fragments under oil immersion are reddish brown to yellow red in transmitted light.
Streak:
Greenish black
Density:
3.27 - 3.33 g/cm3 (Measured)    3.41 g/cm3 (Calculated)
Comment:
Berman balance

Optical Data of DoloresiteHide

Type:
Anisotropic
Anisotropism:
Strong
Colour in reflected light:
Gray, variable along the elongation of the crystals, and shows selective absorption in plane polarized light

Chemical Properties of DoloresiteHide

Formula:
V4+3O4(OH)4

Crystallography of DoloresiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 19.64 Å, b = 2.99 Å, c = 4.83 Å
β = 103.91°
Ratio:
a:b:c = 6.569 : 1 : 1.615
Unit Cell V:
275.32 ų (Calculated from Unit Cell)
Twinning:
Lamellar submicroscopic twinning

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.70 (100)
3.83 (50)
3.16 (42)
2.98 (15)
2.45 (50)
1.933 (25)
1.799 (21)

Type Occurrence of DoloresiteHide

Geological Setting of Type Material:
Unoxidized vanadium-uranium ores in sandstone. Secondary replacement of primary montroseite.
Reference:
Stern, T.W., L.R. Stieff, H.T. Evans, Jr., and A.M. Sherwood (1957) Doloresite, a new vanadium oxide mineral from the Colorado Plateau. Amererican Mineralogist: 42: 587–593.

Other Language Names for DoloresiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite1 photo of Doloresite associated with Calcite on mindat.org.
Gypsum1 photo of Doloresite associated with Gypsum on mindat.org.
Tyuyamunite1 photo of Doloresite associated with Tyuyamunite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.HE.05MelanovanaditeCa(V5+,V4+)4O10 · 5H2OTric. 1 : P1
4.HE.10ShcherbinaiteV5+2O5Orth. mmm (2/m 2/m 2/m) : Pmmn
4.HE.15HewettiteCaV6O16 · 9H2OMon. 2/m : P21/m
4.HE.15MetahewettiteCaV6O16 · 3H2OMon. 2/m
4.HE.20BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
4.HE.20Bokite(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20 · 7.4H2OMon.
4.HE.20Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
4.HE.20Fernandinite(Ca,K)(V5+,V4+,Fe2+)8O20 · 10H2OMon. 2/m : B2/m
4.HE.20Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2OMon.
4.HE.25HäggiteV3+V4+O2(OH)3Mon.
4.HE.35DuttoniteV4+O(OH)2Mon. 2/m
4.HE.40CavoiteCaV4+3O7Orth. mmm (2/m 2/m 2/m) : Pnma

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.12.1Montroseite(V3+,Fe3+)O(OH)Orth.
7.12.2 ScherbinaiteV5+2O5
7.12.3ParamontroseiteV4+O2Orth.
7.12.4HäggiteV3+V4+O2(OH)3Mon.
7.12.5DuttoniteV4+O(OH)2Mon. 2/m
7.12.7LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
7.12.8NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
7.12.9VanoxiteV4+4V5+2O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
7.12.11Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
7.12.12SimplotiteCaV4+4O9 · 5H2OMon.
7.12.13KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
7.12.14SchreyeriteV3+2Ti3O9Mon.
7.12.15BerdesinskiiteV3+2TiO5Mon.
7.12.16TivaniteV3+TiO3(OH)Mon.
7.12.17MannarditeBa(Ti4+6V3+2)O16Tet. 4/m : I41/a
7.12.18KarelianiteV3+2O3Trig.
7.12.19CoulsoniteFe2+V3+2O4
7.12.20Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2Hex.
7.12.21VuorelaineniteMn2+V3+2O4
7.12.22TantiteTa2O5Tric.
7.12.23Kimrobinsonite(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2Iso.

Other InformationHide

Notes:
Slowly soluble in 1:1 HCl, yielding a green solution. 1:1 HNO3 yields a blue solution. No reaction is observed with 1:1 NH4OH. Slightly soluble in 40% KOH. No reaction with either 20% KCN or 20% FeCl2.
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 DoloresiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Stern, T.W., L.R. Stieff, H.T. Evans, Jr., and A.M. Sherwood (1957) Doloresite, a new vanadium oxide mineral from the Colorado Plateau. Amererican Mineralogist: 42: 587–593.
Evans, H.T., Mrose, M.E. (1958) The crystal structures of three new vanadium oxide minerals. Acta Crystallographica: 11: 56-58.
Evans, H.T., Jr. and M.E. Mrose (1960) A crystal chemical study of the vanadium oxide minerals, häggite and doloresite. American Mineralogist: 45: 1144–1166.
Théobald, F. (1975) Synthèse de la dolorésite. Bulletin de la Société Française de Minéralogie: 98: 193–194 (in French).

Internet Links for DoloresiteHide

Localities for DoloresiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Leigh Creek
          • Puttapa
Elliott, P. (1991): Minerals from the Beltana mine, Puttapa, South Australia. Mineralogical Record 22, 449-456.
USA
 
  • Arizona
    • Apache Co.
      • Monument Valley
        • Yazzi Mesa
          • 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, 207; 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; Stern, T.W. et al (1957), Doloresite, a new vanadium oxide mineral from the Colorado Plateau, Am.Min.: 42: 587-593; Jensen, M.L. (1958), Sulphur isotopes and the origin of sandstone-type uranium deposits, Econ.Geol.: 53: 598-616; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 34.
  • Colorado
    • Mesa Co.
      • Beaver Mesa
Am Min 45 (1960), 1144; "Minerals of Colorado, updated & revised", pp. 185-186, by Eckel, Edwin B., 1997
      • Uravan District
        • Calamity Mesa
Minerals of Colorado (1997) Eckel, E. B.
Minerals of Colorado (1997) Eckel, E. B.
Minerals of Colorado (1997) Eckel, E. B.
        • Tenderfoot Mesa
Minerals of Colorado (1997) Eckel, E. B.
    • Montrose Co.
      • Uravan District
        • Bull Canyon
USGS Prof Paper 320
Minerals of Colorado (1997) Eckel, E. B.
Minerals of Colorado (1997) Eckel, E. B.
        • Paradox Valley
Minerals of Colorado (1997) Eckel, E. B.
  • New Mexico
    • Cibola Co.
      • Grants District
Minerals of New Mexico 3rd ed.
    • McKinley Co.
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
  • Utah
    • San Juan Co.
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
UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Casa Colorado Rock
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; 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 Quadrangle
Gunnar Färber
  • Wyoming
    • Crook Co.
      • Carlile
Am Min 45:1144-1166
      • Northern Black Hills District
USGS Bull 1082J
Uzbekistan
 
  • Navoiy Viloyati (Navoi)
    • Central Kyzylkum Region
      • Auminzatau Mts
Pavel M. Kartashov data
Mineral and/or Locality  
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