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Hummerite

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About HummeriteHide

Formula:
K2Mg2(V10O28) · 16H2O
Crystal System:
Triclinic
Member of:
Name:
Named in 1951 by Alice D. Weeks, Evelyn A. Cisney, and Alexander M. Sherwood for the type locality of Hummer Mine, Colorado.
This page provides mineralogical data about Hummerite.


Classification of HummeriteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.HC.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
C : [6]-Sorovanadates
47.2.2.1

47 : VANADIUM OXYSALTS
2 : Anhydrous Vanadium Oxysalts Containing Hydroxyl or Halogen
21.2.12

21 : Vanadates (and vanadates with arsenate or phosphate)
2 : Vanadates of Mg, Ca, Sr or Ba

Optical Data of HummeriteHide

Type:
Biaxial (-)
Dispersion:
r > v

Chemical Properties of HummeriteHide

Formula:
K2Mg2(V10O28) · 16H2O
IMA Formula:
KMgV5+5O14 · 8H2O

Crystallography of HummeriteHide

Crystal System:
Triclinic
Cell Parameters:
a = 10.81 Å, b = 11.01 Å, c = 8.85 Å
α = 106.07°, β = 107.82°, γ = 65.67°
Ratio:
a:b:c = 0.982 : 1 : 0.804
Unit Cell V:
899.82 ų (Calculated from Unit Cell)

Type Occurrence of HummeriteHide

Other Language Names for HummeriteHide

German:Hummerit
Spanish:Hummerita

Relationship of Hummerite to other SpeciesHide

Member of:
Other Members of this group:
HuemuliteNa4Mg(V10O28) · 24H2OTric.
LasaliteNa2Mg2(V10O28) · 20H2OMon. 2/m : B2/b
MagnesiopascoiteCa2Mg(V10O28) · 16H2OMon. 2/m : B2/m
PascoiteCa3(V10O28) · 17H2OMon. 2 : B2
RakovaniteNa3(H3V10O28) · 15H2OMon. 2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Carnotite4 photos of Hummerite associated with Carnotite on mindat.org.
Ronneburgite2 photos of Hummerite associated with Ronneburgite on mindat.org.
Metarossite1 photo of Hummerite associated with Metarossite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.HC.05PascoiteCa3(V10O28) · 17H2OMon. 2 : B2
4.HC.05LasaliteNa2Mg2(V10O28) · 20H2OMon. 2/m : B2/b
4.HC.05MagnesiopascoiteCa2Mg(V10O28) · 16H2OMon. 2/m : B2/m
4.HC.15SherwooditeCa4.5(AlV4+2V5+12O40) · 28H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.2.1MetarossiteCa(V2O6) · 2H2OTric. 1 : P1
21.2.2RossiteCa(VO3)2•4H2OTric. 1 : P1
21.2.3MetahewettiteCaV6O16 · 3H2OMon. 2/m
21.2.4HewettiteCaV6O16 · 9H2OMon. 2/m : P21/m
21.2.5PintadoiteCa2(V2O7) · 9H2O
21.2.6Hendersonite(Ca,Sr)1.3V6O16 · 6H2OOrth.
21.2.7Fernandinite(Ca,K)(V5+,V4+,Fe2+)8O20 · 10H2OMon. 2/m : B2/m
21.2.8PascoiteCa3(V10O28) · 17H2OMon. 2 : B2
21.2.9SherwooditeCa4.5(AlV4+2V5+12O40) · 28H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.2.10MelanovanaditeCa(V5+,V4+)4O10 · 5H2OTric. 1 : P1
21.2.11Grantsite(Na,Ca)2+x(V5+,V4+)6O16 · 4H2OMon.
21.2.13MetadelrioiteCaSr(V2O6)(OH)2Tric.
21.2.14DelrioiteCaSr(V2O6)(OH)2 · 3H2OMon.
21.2.15Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2OMon.
21.2.16GamagariteBa2Fe3+(VO4)2(OH)Mon. 2/m : P21/m

Other InformationHide

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 HummeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Weeks, A.D., Cisney, E.A., Sherwood, A.M. (1951) Hummerite and montroseite, two vanadium minerals from Montrose County, Colorado. Abstracts of papers presented at the thirty-first annual meeting of the Mineralogical Society of America at Washington, D.C.. American Mineralogist: 36: 310-328.
Hughes, J.M., Schindler, M., Rakovan, J., Cureton, F.E. (2002) The crystal structure of hummerite, KMg(V5O14)·8H2O: bonding between the [V10O28]6- structural unit and the {K2Mg2(H2O)16}6+ interstitial complex. Canadian Mineralogist: 40: 1429-1435.
Frost, R.L., Erickson, K.L., Weier, M.L. (2004) Hydrogen bonding in selected vanadates: a Raman and infrared spectroscopy study. Spectrochimica Acta Part A: 60: 2419.

Internet Links for HummeriteHide

Localities for HummeriteHide

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.
Argentina
 
  • Mendoza
    • Malargüe Department
      • Pampa Amarilla District
C.E. Gordillo, E. Linares, R.O. Toubes, H. Winchell: Amer. Mineral. 51:1-13 (1966); American Mineralogist: 51: 1-13
Germany
 
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
Italy
 
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Balestra, C., Kolitsch, U., Blass, G., Callegari, A.M., Boiocchi, M., Armellino, G., Ciriotti, M.E., Ambrino, P., Bracco, R. (2009): Mineralogia ligure 2007-2008: novità caratterizzate dal Servizio UK dell’AMI. Micro (UK report), 1/2009, 78-99.; Balestra, C., Kolitsch, U., Blass, G., Callegari, A.M., Boiocchi, M., Armellino, G., Ciriotti, M.E., Ambrino, P. Bracco, R. (2009): Mineralogia ligure 2007-2008: novità caratterizzate dal Servizio UK dell’AMI. Micro, 1-2009, 78-99.
Kyrgyzstan
 
  • Osh Oblast
    • Alai Range (Alay Range)
      • Fergana Valley
        • Fergana
Karpenko, V.Yu. et al. Zapiski RMO 138(1)83(2009)
USA
 
  • Arizona
    • Apache Co.
      • Lukachukai Mts
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 pp1243-267
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 253; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 79.
  • Colorado
    • Mesa Co.
      • Gateway District
        • Gateway
Kampf, A.R., Nash, B.P., Marty, J., Hughes, J.M. (2016): Mesaite, CaMn2+5(V2O7)3·12H2O, a new vanadate mineral from the Packrat mine, near Gateway, Mesa County, Colorado, USA. Mineralogical Magazine: 80: (in press)
    • Montrose Co.
      • Bull Canyon District
Anthony R. Kampf, John M. Hughes, Joe Marty, Barbara P. Nash, Yu-Sheng Chen, and Ian M. Steele (2014) Bluestreakite, K4Mg2(V4+2V5+8O28) ·14H2O, a new mixed-valence decavanadate mineral from the Bluestreak Mine, Montrose County, Colorado: crystal structure and descriptive mineralogy. Can Mineral 52:1007-1018; Kampf, A. R., Marty, J., Nash, B. P., Plášil, J., Kasatkin, A. V., & Škoda, R. (2012). Calciodelrioite, Ca (VO3) 2 (H2O) 4, the Ca analogue of delrioite, Sr (VO3) 2 (H2O) 4. Mineralogical Magazine, 76(7), 2803-2817.
      • Uravan District
        • Bull Canyon
Minerals of Colorado (1997) E.B. Eckel
Minerals of Colorado (1997) Eckel, E. B.
        • Paradox Valley
          • Jo Dandy Mine (Joe Dandy; Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker)
Amer.Min.(1951) 36, 326-327, "Minerals of Colorado, updated & revised", p. 271 & photo 133, by Eckel, Edwin B., 1997
Minerals of Colorado (1997) Eckel, E. B.
Minerals of Colorado (1997) Eckel, E. B.
    • Pueblo Co.
      • Turkey Creek District
Minerals of Colorado (1997) Eckel, E. B.
  • Nevada
    • Eureka Co.
      • Carlin Trend
        • Maggie Creek Subdistrict
MinRec 26(5):449-469.
      • Lynn District
        • Elko
Mineralogical Record 26:467
  • South Dakota
    • 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
        • Craven Canyon
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"
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
UGMS Bull 117 Minerals and Mineral Localities of Utah
Mineral and/or Locality  
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