Duhamelite
A variety of Mottramite
This page is currently not sponsored. Click here to sponsor this page.
About Duhamelite
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.
For the Bi-dominant member, see khorixasite.
Originally reported from Lousy Gulch, Payson area, Payson District (Green Valley District), Gila Co., Arizona, USA.
Ca- and Bi-bearing variety of mottramite, typically with acicular habit.
Discredited as a mineral species.
For the Bi-dominant member, see khorixasite.
Originally reported from Lousy Gulch, Payson area, Payson District (Green Valley District), Gila Co., Arizona, USA.
Unique Identifiers
Mindat ID:
1327 (as Duhamelite)
2792 (as Mottramite)
2792 (as Mottramite)
Long-form identifier:
mindat:1:1:1327:3 (as Duhamelite)
mindat:1:1:2792:8 (as Mottramite)
mindat:1:1:2792:8 (as Mottramite)
GUID
(UUID V4):
(UUID V4):
6fb14e62-9393-4143-8b77-bc7f38aeda9e (as Duhamelite)
c798f043-edca-4e8d-962b-0a00fecf1269 (as Mottramite)
c798f043-edca-4e8d-962b-0a00fecf1269 (as Mottramite)
IMA Classification of Duhamelite
Discredited
Classification of Duhamelite
21.3.18
21 : Vanadates (and vanadates with arsenate or phosphate)
3 : Vanadates of Al, rare earths, Pb, V or Bi
21 : Vanadates (and vanadates with arsenate or phosphate)
3 : Vanadates of Al, rare earths, Pb, V or Bi
Physical Properties of Duhamelite
Hardness:
3 on Mohs scale
Optical Data of Duhamelite
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.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v strong
Chemistry of Duhamelite
Mindat Formula:
(Pb,Bi,Ca)Cu(VO4)(OH,O)
Crystallography of Duhamelite
Crystal System:
Orthorhombic
Other Language Names for Duhamelite
German:Duhamelit
Spanish:Duhamelita
Common Associates
Associated Minerals Based on Photo Data:
11 photos of Duhamelite associated with Shattuckite | Cu5(Si2O6)2(OH)2 |
10 photos of Duhamelite associated with Quartz | SiO2 |
7 photos of Duhamelite associated with Namibite | Cu(BiO)2(VO4)(OH) |
4 photos of Duhamelite associated with Cuprite | Cu2O |
4 photos of Duhamelite associated with Malachite | Cu2(CO3)(OH)2 |
4 photos of Duhamelite associated with Mottramite | PbCu(VO4)(OH) |
4 photos of Duhamelite associated with Goethite | α-Fe3+O(OH) |
3 photos of Duhamelite associated with Sillénite | Bi12SiO20 |
3 photos of Duhamelite associated with Ajoite | (K,Na)Cu7AlSi9O24(OH)6 · 3H2O |
2 photos of Duhamelite associated with Hematite | Fe2O3 |
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.
Internet Links for Duhamelite
mindat.org URL:
https://www.mindat.org/min-1327.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Duhamelite
Reference List:
Localities for Duhamelite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Argentina | |
| Samples acquired from Nelson Valenzuela |
Australia | |
| Pring et al. (2000) |
DR Congo | |
| King et al. (1991) +1 other reference |
France | |
| Robert PECORINI collection |
Germany | |
| Blass (1992) |
Italy | |
| Olmi F. et al. (SS) |
Mexico | |
| Dakota Matrix specimen (Phillips collection) |
Namibia | |
| Niedermayr (2001) |
Switzerland | |
| Stalder et al. (1998) |
USA | |
| Anthony et al. (1995) |
| Anthony et al. (1995) |
| Anthony et al. (1995) |
| Luetcke (n.d.) |
| Williams (1981) +1 other reference |
| Anthony et al. (1995) |
| Ron Gibbs |
| Bob Meyer (2012) |
Collected by Joe Ruiz. | |
| Walstrom (n.d.) |
| Self collected by Brent Thorne. SEM ... +1 other reference |
| Walstrom +1 other reference |
| Walstrom (n.d.) |
| Jerry Cone Collection |
Iron Monarch Main Pit, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia