Chrisstanleyite
A valid IMA mineral species
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About Chrisstanleyite
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:
Unique Identifiers
Mindat ID:
1028
Long-form identifier:
mindat:1:1:1028:9
GUID
(UUID V4):
(UUID V4):
211c2af1-517b-4010-b4cb-8642aaa11f8e
IMA Classification of Chrisstanleyite
Approved
First published:
1998
Classification of Chrisstanleyite
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.
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Csl | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Cls | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Pronunciation of Chrisstanleyite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon 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
Chemistry of Chrisstanleyite
Mindat Formula:
Ag2Pd3Se4
Elements listed:
Crystallography of Chrisstanleyite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
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
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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CIF File Best | x | y | z | a | b | c
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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.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Chrisstanleyite
General Appearance of Type Material:
Anhedral crystals, to several hundred µm
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:
Reference:
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.
Synonyms of Chrisstanleyite
Other Language Names for Chrisstanleyite
Common Associates
Associated Minerals Based on Photo Data:
6 photos of Chrisstanleyite associated with Clausthalite | PbSe |
5 photos of Chrisstanleyite associated with Fischesserite | Ag3AuSe2 |
4 photos of Chrisstanleyite associated with Cerussite | PbCO3 |
4 photos of Chrisstanleyite associated with Chlorargyrite | AgCl |
4 photos of Chrisstanleyite associated with Gold | Au |
2 photos of Chrisstanleyite associated with Tischendorfite | Pd8Hg3Se9 |
2 photos of Chrisstanleyite associated with Tiemannite | HgSe |
2 photos of Chrisstanleyite associated with Stibiopalladinite | Pd5Sb2 |
1 photo of Chrisstanleyite associated with Ankerite | Ca(Fe2+,Mg)(CO3)2 |
1 photo of Chrisstanleyite associated with Tilkerodeite | Pd2HgSe3 |
Related Minerals - Strunz-mindat Grouping
2.BC. | UM2004-45-Se:AgHgPd | (Ag,Cu)6Hg2Pd2Se3 |
2.BC. | Fleetite | Cu2RhIrSb2 |
2.BC. | Coldwellite | Pd3Ag2S |
2.BC. | Panskyite | Pd9Ag2Pb2S4 |
2.BC.05 | Palladseite | Pd17Se15 |
2.BC.05 | Miassite | Rh17S15 |
2.BC.05 | UM2000-47-S:CuFePdPt | PtPd(Fe,Cu)S |
2.BC.10 | Oosterboschite | (Pd,Cu)7Se5 |
2.BC.15 | Jagüéite | Cu2Pd3Se4 |
2.BC.20 | Keithconnite | Pd20Te7 |
2.BC.25 | Vasilite | (Pd,Cu)16(S,Te)7 |
2.BC.30 | Telluropalladinite | Pd9Te4 |
2.BC.35 | Luberoite | Pt5Se4 |
2.BC.35 | Kojonenite | Pd7-xSnTe2 (0.3 ≤ x ≤ 0.8) |
2.BC.37 | Kravtsovite | PdAg2S |
2.BC.40 | Oulankaite | (Pd,Pt)5(Cu,Fe)4SnTe2S2 |
2.BC.40 | Lukkulaisvaaraite | Pd14Ag2Te9 |
2.BC.42 | Monchetundraite | Pd2NiTe2 |
2.BC.45 | Telargpalite | (Pd,Ag)3(Te,Bi) |
2.BC.45 | Thalhammerite | Pd9Ag2Bi2S4 |
2.BC.47 | Vymazalováite | Pd3Bi2S2 |
2.BC.50 | Temagamite | Pd3HgTe3 |
2.BC.55 | Sopcheite | Ag4Pd3Te4 |
2.BC.55 | Bowlesite | PtSnS |
2.BC.60 | Laflammeite | Pd3Pb2S2 |
2.BC.65 | Tischendorfite | Pd8Hg3Se9 |
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.
Internet Links for Chrisstanleyite
mindat.org URL:
https://www.mindat.org/min-1028.html
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Please feel free to link to this page.
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References for Chrisstanleyite
Reference List:
Stanley, C. J., Criddle, A. J., Lloyd, D. (1990) Precious and base metal selenide mineralization at Hope's Nose, Torquay, Devon. Mineralogical Magazine, 54 (376) 485-493 doi:10.1180/minmag.1990.054.376.13
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, 62 (2) 257-264 doi:10.1180/002646198547611
Jambor, John L., Grew, Edward S., Roberts, Andrew C. (1998) New mineral names. American Mineralogist, 83. 1347-1352
Topa, Dan, Makovicky, Emil, Balić-Žunić, Tonči (2006) The crystal structures of jaguéite, Cu2Pd3Se4, and chrisstanleyite, Ag2Pd3Se4. The Canadian Mineralogist, 44 (2) 497-505 doi:10.2113/gscanmin.44.2.497
Localities for Chrisstanleyite
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 | |
| Paar et al. (2004) +1 other reference |
Marquez-Zavalia et al. (2021) | |
Australia | |
| Nickel (2002) |
Brazil | |
| Cabral (2006) |
Czech Republic | |
| Paar et al. (2005) +1 other reference |
Germany | |
| Lapis 2002 (11) +1 other reference |
UK (TL) | |
| Mineralogical Magazine (1998) |
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Hope's Nose, Torquay, Torbay, Devon, England, UK