Jamesite (original) (raw)
A valid IMA mineral species
About JamesiteHide
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Formula:
Pb2Zn(Fe2+,Zn)2Fe3+4(AsO4)4(OH)10
Specific Gravity:
5.084 (Calculated)
Name:
Named in honor of Christopher James, an American mining engineer, commissioned by OMEG to open the Tsumeb mine in 1900.
This page provides mineralogical data about Jamesite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2071:4
ecada97b-532f-45c1-8a65-647192480984
IMA Classification of JamesiteHide
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IMA Formula:
Pb2ZnFe3+2(Fe3+,Zn)4(AsO4)4(OH)8(OH,O)2
Type description reference:
Classification of JamesiteHide
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8.BK.25
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
K : With medium-sized and large cations, (OH, etc.):RO4 = 2:1, 2.5:1
41.11.2.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : Miscellaneous
20.5.15
20 : Arsenates (also arsenates with phosphate, but without other anions)
5 : Arsenates of Ti and Pb
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Jms | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of JamesiteHide
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Density:
5.084 g/cm3 (Calculated)
Optical Data of JamesiteHide
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RI values:
_n_α = 1.960(5) _n_β = 1.995(5) _n_γ = 2.020(5)
2V:
Measured: 75° (5), Calculated: 78°
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Optical Extinction:
Y ∧ a ≃ 5° on (001); Y ∧ a = 15° on (010).
Comments:
X = Y = pale brown; Z = deep red-brown.
Chemistry of JamesiteHide
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Mindat Formula:
Pb2Zn(Fe2+,Zn)2Fe3+4(AsO4)4(OH)10
Crystallography of JamesiteHide
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Class (H-M):
1 - Pinacoidal
Cell Parameters:
a = 5.62 Å, b = 9.59 Å, c = 10.27 Å
α = 109.8°, β = 90.54°, γ = 97.69°
Ratio:
a:b:c = 0.586 : 1 : 1.071
Unit Cell V:
515.21 ų (Calculated from Unit Cell)
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005590 | Jamesite | Cooper M A, Hawthorne F C (1999) Local Pb-_ disorder in the crystal structure of jamesite, Pb2ZnFe2(Fe2.8Zn1.2)(AsO4)4(OH)8[(OH)1.2O.8], and revision of the chemical formula The Canadian Mineralogist 37 53-60 |  |
1999 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.40 Å | (100) |
| 3.04 Å | (90) |
| 9.67 Å | (80) |
| 4.70 Å | (80) |
| 3.26 Å | (80) |
| 2.92 Å | (60) |
| 2.04 Å | (60) |
Geological EnvironmentHide
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Type Occurrence of JamesiteHide
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General Appearance of Type Material:
Tabular crystals, elongated a, up to 0.5 x 0.2 x 0.05 mm.
Place of Conservation of Type Material:
Institute for Mineralogy and Crystal Chemistry, University of Stuttgart, Stuttgart, Germany, NM05.
National Museum of Natural History, Washington, D.C., USA, 143995.
Geological Setting of Type Material:
Oxidized zone of lead ore.
Associated Minerals at Type Locality:
Reference:
Keller, P., Hess, H., Dunn, P.J. (1981) Jamesite, Pb2Zn2Fe53+O4(AsO4)5, a new mineral from Tsumeb, Namibia. Chemie der Erde: 40: 105-109.
Synonyms of JamesiteHide
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Other Language Names for JamesiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 8.BK.05 | Brazilianite | NaAl3(PO4)2(OH)4 | Mon. 2/m |
|---|---|---|---|
| 8.BK.10 | Medenbachite | Bi2Fe3+Cu2+(AsO4)2O(OH)3 | Tric. 1 : _P_1 |
| 8.BK.10 | Neustädtelite | Bi2Fe3+(Fe3+,Co)(AsO4)2(O,OH)4 | Tric. 1 : _P_1 |
| 8.BK.10 | Cobaltneustädtelite | Bi2Fe3+(Co,Fe3+)(AsO4)2(O,OH)4 | Tric. 1 : _P_1 |
| 8.BK.15 | Curetonite | Ba(Al,Ti)(PO4)(OH,O)F | Mon. 2/m |
| 8.BK.20 | Heyite | Pb5Fe2+2(VO4)2O4 | Mon. 2/m : _P_21/m |
| 8.BK.25 | Lulzacite | Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10 | Tric. 1 : _P_1 |
| 8.BK.25 | Désorite | Pb2(Fe3+6Zn)O2(PO4)4(OH)8 | Tric. 1 : _P_1 |
| 8.BK.30 | Nishanbaevite | KAl2O(AsO4)(SO4) | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m |
| 8.BK.35 | Arsmirandite | Na18Cu12Fe3+O8(AsO4)8Cl5 | Mon. 2/m : _B_2/m |
| 8.BK.35 | Lehmannite | Na18Cu12TiO8(AsO4)8FCl5 | Mon. 2/m : _B_2/m |
| 8.BK.35 | Lebedevite | K4Na14Cu14O8(AsO4)8Cl6 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m |
| 8.BK.35 | Zircarsite | Na18Cu12ZrO8(AsO4)8Cl6 | Iso. m_3_m _(_4/_m_32/m ) : P m_3_m |
Other InformationHide
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Notes:
Soluble, with difficulty, in hot HNO3 and HCl.
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 JamesiteHide
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References for JamesiteHide
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Localities for JamesiteHide
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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
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- 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.
| Bulgaria | |
|---|---|
| Vratsa Province Balkan Mts (Stara Planina) ⓘ Bakara Mine | Minceva-Stefanova (2001) |
| Greece | |
| Attica East Attica Lavreotiki Lavrion mining district Agios Konstantinos (Kamariza) Mercati mines ⓘ Christiana Mine | |
| ⓘ Christiana Mine No. 132 | Rieck (1999) |
| Namibia (TL) | |
| Oshikoto Region Tsumeb ⓘ Tsumeb Mine (Ongopolo Mine) (TL) |
Keller et al. (1981) +1 other reference |
| USA | |
| Idaho Shoshone County Hunter Mining District ⓘ Lucky Friday Mine | - (2005) |