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Duhamelite

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Formula:
(Pb,Bi,Ca)Cu(VO4)(OH,O)
Hardness:
3
Crystal System:
Orthorhombic
Name:
For J.E. Duhamel.
A variety of Mottramite

Ca- and Bi-bearing variety of mottramite, typically with acicular habit.
Discredited as a mineral species.

Originally reported from Lousy Gulch, Payson area, Payson District (Green Valley District), Gila Co., Arizona, USA.


Hide all sections | Show all sections

Classification of DuhameliteHide

Discredited
21.3.15

21 : Vanadates (and vanadates with arsenate or phosphate)
3 : Vanadates of Al, rare earths, Pb, V or Bi

Physical Properties of DuhameliteHide

Hardness:

Optical Data of DuhameliteHide

Type:
Biaxial
RI values:
nα = 2.080 nβ = 2.110
Max Birefringence:
δ = 2.080
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

Chemical Properties of DuhameliteHide

Formula:
(Pb,Bi,Ca)Cu(VO4)(OH,O)

Crystallography of DuhameliteHide

Crystal System:
Orthorhombic

Other Language Names for DuhameliteHide

German:Duhamelit
Spanish:Duhamelita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Shattuckite8 photos of Duhamelite associated with Shattuckite on mindat.org.
Quartz7 photos of Duhamelite associated with Quartz on mindat.org.
Cuprite4 photos of Duhamelite associated with Cuprite on mindat.org.
Malachite3 photos of Duhamelite associated with Malachite on mindat.org.
Sillénite3 photos of Duhamelite associated with Sillénite on mindat.org.
Mottramite3 photos of Duhamelite associated with Mottramite on mindat.org.
Ajoite3 photos of Duhamelite associated with Ajoite on mindat.org.
Namibite3 photos of Duhamelite associated with Namibite on mindat.org.
Brochantite1 photo of Duhamelite associated with Brochantite on mindat.org.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.3.1SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
21.3.2Alvanite(Zn,Ni)Al4(V5+O3)2(OH)12 · 2H2OMon. 2/m : P21/m
21.3.3MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/m
21.3.4SchoderiteAl2(PO4)(VO4) · 8H2OMon.
21.3.5SatpaeviteAl12V4+2V5+6O37 · 30H2O
21.3.6VanaliteNaAl8V10O38 · 30H2OMon.
21.3.7Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.7Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.8ChervetitePb2(V2O7)Mon.
21.3.9MottramitePbCu(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.3.10DescloizitePbZn(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.3.11ClinobisvaniteBi(VO4)Mon. 2/m
21.3.11DreyeriteBi(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.11PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
21.3.12SchumacheriteBi3(VO4)2O(OH)Tric.
21.3.13NamibiteCu(BiO)2(VO4)(OH)Tric. 1 : P1
21.3.14Pottsite(Pb3xBi4-2x)(VO4)4·H2O (0.8 < x < 1.0)Tet. 4/m : I41/a

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 DuhameliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Williams, S. A. (1981): Duhamelite, Cu4Pb2Bi(VO4)4(OH)3.8H2O, a new Arizona mineral. Mineralogical Magazine 44, 151-152.
Krause, W., U. Kolitsch, H.-J. Bernhardt and H. Effenberger (2003): Duhamelite discredited. Neues Jahrbuch Mineral. Monatsh. 2003, 75-96.

Internet Links for DuhameliteHide

Localities for DuhameliteHide

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
 
  • Córdoba
    • San Javier Department
      • Las Tapias
        • Cerro Achala
Samples acquired from Nelson Valenzuela
Australia
 
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
Australian Jour.Min. v.6, no. 1
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Kolwezi District
[MinRec 22:13-20,28]
France
 
  • Occitanie
    • Hérault
      • Lodève
Robert PECORINI collection
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Andernach
        • Nickenich
          • Nickenicher Sattel (Eicher Sattel)
Blass, G. (1992): Spektakuläre Neufunde vom "Eicher Sattel" in der östlichen Vulkaneifel, Mineralien-Welt 5/1992
Italy
 
  • Sardinia
    • Sassari Province
      • Ozieri
Olmi F.,Sabelli C.,Santucci A.,Brizzi G.- I silicati e i vanadati di Ozieri (SS)-Rivista Mineralogica Italiana 2/1995,pp145-160
Mexico
 
  • Sonora
    • Mun. de Navojoa
Dakota Matrix specimen (Phillips collection)
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
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 143.
USA
 
  • Arizona
    • Cochise Co.
      • Bowie area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 209, 267.
      • Dos Cabezas Mts
        • Dos Cabezas (Two Heads) District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 139, 209.
          • Comstock Mine area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 176.
    • Gila Co.
      • Payson District (Green Valley District)
        • Oxbow Estates area
Rolf Luetcke
          • Lousy Gulch
Williams, S. A. (1981): Duhamelite, Cu4Pb2Bi(VO4)4(OH)3.8H2O, a new Arizona mineral. Mineralogical Magazine 44, 151-152; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 209.
    • Graham Co.
      • Bowie area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 139.
    • Yavapai Co.
      • Bradshaw Mts (Bradshaw Range)
        • Castle Creek District
Bob Meyer (2012) Micro Mineral Collector. Friends of Mineralogy National Newsletter 42:10-13
Collected by Joe Ruiz.
  • Nevada
    • Clark Co.
      • Spring Mts
        • Goodsprings District
Self collected by Brent Thorne. SEM EDAX verified by Robert Housley; Pavel M. Kartashov analytical data of 2016
    • Lander Co.
      • Spencer Hot Springs District
NBMG Spec. Pub. 31 Minerals of Nevada
Mineral and/or Locality  
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