Chrisstanleyite
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About Chrisstanleyite
Chris Stanley - 1994
Formula:
Ag2Pd3Se4
Colour:
Silvery grey
Lustre:
Metallic
Hardness:
5
Specific Gravity:
8.30 (Calculated)
Crystal System:
Monoclinic
Name:
Named by W.H. Paar, A.C. Roberts, A.J. Criddle, and D. Topa in 1998 in honor of Chris J. Stanley (1954, Nottingham, UK - ), mineralogist with the Natural History Museum (London), in recognition of his contributions to ore mineralogy.
Type Locality:
Classification of Chrisstanleyite
Approved
First published:
1998
2/A.06-30
2.BC.15
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
Pronounciation of Chrisstanleyite
Pronounciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon & Katya Ralph | United Kingdom |
Physical Properties of Chrisstanleyite
Metallic
Transparency:
Opaque
Colour:
Silvery grey
Streak:
Black
Hardness:
5 on Mohs scale
Hardness:
VHN100=395 kg/mm2 - Vickers
Tenacity:
Brittle
Density:
8.30 g/cm3 (Calculated)
Optical Data of Chrisstanleyite
Anisotropism:
Moderate; rose-brown, gray-green, pale bluish gray, dark steel-blue
Bireflectance:
Weak to moderate
Pleochroism:
Weak
Comments:
Pale buff to slightly gray-green buff
Chemical Properties of Chrisstanleyite
Formula:
Ag2Pd3Se4
Elements listed:
Crystallography of Chrisstanleyite
Crystal System:
Monoclinic
Cell Parameters:
a = 6.350(6) Å, b = 10.387(4) Å, c = 5.683(3) Å
β = 114.90(5)°
β = 114.90(5)°
Ratio:
a:b:c = 0.611 : 1 : 0.547
Unit Cell V:
339.99 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Anhedral crystals to several hundred microns.
Twinning:
Fine polysynthetic and parquetlike
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006090 | Chrisstanleyite | Topa D, Makovicky E, Balic-Zunic T (2006) The crystal structures of jagueite, Cu2Pd3Se4, and chrisstanleyite, Ag2Pd3Se4 The Canadian Mineralogist 44 497-505 |  | 2006 | El Chire, La Rioja, Argentina | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.18 Å | (5) |
| 4.62 Å | (5) |
| 4.534 Å | (10) |
| 3.621 Å | (10) |
| 2.868 Å | (50b) |
| 2.742 Å | (100) |
| 2.688 Å | (80) |
| 2.582 Å | (3) |
| 2.521 Å | (20) |
| 2.496 Å | (10) |
| 2.448 Å | (3) |
| 2.367 Å | (50) |
| 2.328 Å | (10) |
| 2.309 Å | (10) |
| 2.265 Å | (5) |
| 2.068 Å | (10) |
| 1.990 Å | (10) |
| 1.956 Å | (100) |
| 1.918 Å | (20) |
| 1.861 Å | (3) |
| 1.846 Å | (3) |
| 1.829 Å | (30) |
| 1.807 Å | (10) |
| 1.766 Å | (5) |
| 1.749 Å | (3) |
| 1.731 Å | (10) |
| 1.719 Å | (3) |
| 1.639 Å | (10) |
Comments:
W. H. PAAR, A. C. ROBERTS, A. J. CRIDDLE,and TOPA, D. (1998) A new mineral, chrisstanleyite, Ag2Pd3Se4,from Hope’s Nose, Torquay, Devon, England. Mineralogical Magazine, April 1998, Vo l. 662(2), pp. 257–264.
Type Occurrence of Chrisstanleyite
Place of Conservation of Type Material:
Holotype: Institut für Mineralogie, University, Salzburg, Austria (catalogue number ll/A 1070).
Cotype samples (four polished sections: E.1534; E.1527; E.1538 and E.1537) are registered as BM 1997,59 at The Natural History Museum in London.
Cotype samples (four polished sections: E.1534; E.1527; E.1538 and E.1537) are registered as BM 1997,59 at The Natural History Museum in London.
Geological Setting of Type Material:
In gold bearing veins
Associated Minerals at Type Locality:
Synonyms of Chrisstanleyite
Other Language Names for Chrisstanleyite
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Chrisstanleyite associated with Fischesserite | Ag3AuSe2 |
| 1 photo of Chrisstanleyite associated with Tischendorfite | Pd8Hg3Se9 |
| 1 photo of Chrisstanleyite associated with Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| 1 photo of Chrisstanleyite associated with Clausthalite | PbSe |
| 1 photo of Chrisstanleyite associated with Tiemannite | HgSe |
| 1 photo of Chrisstanleyite associated with Stibiopalladinite | Pd5Sb2 |
Related Minerals - Nickel-Strunz Grouping
| 2.BC. | UM2004-45-Se:AgHgPd | (Ag,Cu)6Hg2Pd2Se3 | |
| 2.BC. | Coldwellite | Pd3Ag2S | Iso. 4 3 2 : P43 3 2 |
| 2.BC.05 | Palladseite | Pd17Se15 | Iso. m3m (4/m 3 2/m) |
| 2.BC.05 | Miassite | Rh17S15 | Iso. |
| 2.BC.05 | UM2000-47-S:CuFePdPt | PtPd(Fe,Cu)S | |
| 2.BC.10 | Oosterboschite | (Pd,Cu)7Se5 | Orth. |
| 2.BC.15 | Jagüéite | Cu2Pd3Se4 | Mon. 2/m : P21/b |
| 2.BC.20 | Keithconnite | Pd20Te7 | Trig. |
| 2.BC.25 | Vasilite | (Pd,Cu)16(S,Te)7 | Iso. |
| 2.BC.30 | Telluropalladinite | Pd9Te4 | Mon. |
| 2.BC.35 | Luberoite | Pt5Se4 | Mon. 2/m : P21/b |
| 2.BC.40 | Oulankaite | (Pd,Pt)5(Cu,Fe)4SnTe2S2 | Tet. |
| 2.BC.45 | Telargpalite | (Pd,Ag)3(Te,Bi) | Iso. |
| 2.BC.50 | Temagamite | Pd3HgTe3 | Trig. 3m : P3m1 |
| 2.BC.55 | Sopcheite | Ag4Pd3Te4 | Orth. |
| 2.BC.60 | Laflammeite | Pd3Pb2S2 | Mon. |
| 2.BC.65 | Tischendorfite | Pd8Hg3Se9 | Orth. |
Fluorescence of Chrisstanleyite
Not known to fluoresce in UV.
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.
References for Chrisstanleyite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Stanley, C. J. and Criddle, A. J. (1990) Precious and base metal selenide mineralization at Hope's Nose, Torquay, Devon, Mineralogical Magazine, v. 54, pp. 485-493.
Paar, W.H., Roberts, A.C., Criddle, A.J., Topa, D. (1998) A new mineral, chrisstanleyite, Ag2Pd3Se4, from Hope's Nose, Torquay, Devon, England. Mineralogical Magazine, v 62, 257-264.
Jambor, J. L., Grew, E. S., Roberts, A. C. (1998) New mineral names. American Mineralogist, v. 83, p. 1347-1352.
Topa, D., Makovicky, E., Balić-Žunić, T. (2006) The crystal structures of jaguéite, Cu2Pd3Se4, and chrisstanleyite, Ag2Pd3Se4. The Canadian Mineralogist, v. 44, 497-505.
Locock, A.J., Ercit, T.S., Kjellman, J., Piilonen, C. (2006) New mineral names. American Mineralogist, v. 91, 1945-1954.
Vymazalová, A., Chareev, D.A., Kristavchuk, A.V., Laufek, F., Drábek, M. (2014) The Ag-Pd-Se System: phase relations involving minerals and potential new minerals. The Canadian Mineralogist, v. 52, 77-89.
Internet Links for Chrisstanleyite
mindat.org URL:
https://www.mindat.org/min-1028.html
Please feel free to link to this page.
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External Links:
Mineral Dealers:
Localities for Chrisstanleyite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Canadian Mineralogist Vol. 42, 1745-1755 (2004).; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127. |
Australia | |
| Nickel, Ernest H. (2002): An Unusual Occurrence of Pd, Pt, Au, Ag, and Hg Mineralisation in the Pilbara Region of Western Australia. Canadian Mineralogist. 40: 419-433. |
Brazil | |
| Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8 |
Czech Republic | |
| W. H. Paar, D. Topa, E. Makovický, F. J. Culetto: "Milotaite, PdSbSe, a new palladium mineral, from Předbořice, Czech Republic", The Canadian Mineralogist 43, 689-694 (2005); Bindi, L., Förster, H. J., Grundmann, G., Keutsch, F., & Stanley, C. (2016). Petříčekite, CuSe2, a New Member of the Marcasite Group from the Předbořice Deposit, Central Bohemia Region, Czech Republic. Minerals, 6(2), 33. |
Germany | |
| Lapis 2002(11), 42-43; Stanley, C. J., Criddle, A. J., Förster, H. J., & Roberts, A. C. (2002). Tischendorfite, Pd8Hg3Se9, a new mineral species from Tilkerode, Harz Mountains, Germany. The Canadian Mineralogist, 40(2), 739-745. |
UK (TL) | |
| Mineralogical Magazine(1998) 62, 257-264 |
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Hope's Nose, Torquay, Torbay, Devon, England, UK