Robinsonite (original) (raw)
A valid IMA mineral species - grandfathered
About RobinsoniteHide
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Crystal System:
Monoclinic
Name:
Named in 1951 by Leonard Gascoigne Berry, Joseph John Fahey, and Edgar Herbert Bailey in honour of Stephen Clive Robinson (12 September 1911, Pincher Creek, Claresholm Census Division, Alberta, Canada - 13 September 1981, Saanichton, Capital Regional District, British Columbia, Canada), Canadian mineralogist, Geological Survey of Canada, and former Professor of Mineralogy, Queen’s University, Kingston, Ontario. Robinson synthesized the compound in 1947 (Robinson, 1948) before the mineral was found in nature.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:3432:2
8973dc99-7658-43bf-852e-d22e54881af4
IMA Classification of RobinsoniteHide
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Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of RobinsoniteHide
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2.HC.20
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
3.6.16.1
3 : SULFOSALTS
6 : 2 < ø < 2.49
5.6.17
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
6 : Sulpharsenites etc. of Pb alone
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Rob | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Rob | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of RobinsoniteHide
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Fracture:
Irregular/Uneven
Density:
6.7 g/cm3 (Measured) 6.87 g/cm3 (Calculated)
Optical Data of RobinsoniteHide
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Anisotropism:
Strong; in blue-gray, cream-white, and brown-gray
Reflectivity:
| Wavelength | R |
|---|---|
| 8.6-47.0% 546nm | 8.6-47.0 546n% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 8.6-47.0 546n%.
Chemistry of RobinsoniteHide
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Crystallography of RobinsoniteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 23.642(4) Å, b = 3.9761(6) Å, c = 24.420(4) Å
β = 93.808(3)°
Ratio:
a:b:c = 5.946 : 1 : 6.142
Unit Cell V:
2,290.48 ų (Calculated from Unit Cell)
Comment:
Non-standard space-group setting I2/m.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0010117 | Robinsonite | Skowron A, Brown I D (1990) Refinement of the structure of robinsonite, Pb4Sb6S13 Acta Crystallographica C46 527-531 |  |
1990 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.528 Å | (7) |
| 7.342 Å | (7) |
| 6.084 Å | (7) |
| 5.464 Å | (9) |
| 4.383 Å | (9) |
| 4.059 Å | (45) |
| 3.966 Å | (50) |
| 3.928 Å | (20) |
| 3.814 Å | (35) |
| 3.710 Å | (13) |
| 3.671 Å | (35) |
| 3.506 Å | (20) |
| 3.440 Å | (85) |
| 3.410 Å | (100) |
| 3.210 Å | (50) |
| 3.084 Å | (9) |
| 3.043 Å | (40) |
| 3.007 Å | (17) |
| 2.902 Å | (25) |
| 2.838 Å | (13) |
| 2.806 Å | (25) |
| 2.776 Å | (30) |
| 2.735 Å | (7) |
| 2.689 Å | (35) |
| 2.670 Å | (45) |
| 2.587 Å | (17) |
| 2.416 Å | (7) |
| 2.345 Å | (13) |
| 2.289 Å | (13) |
| 2.191 Å | (11) |
| 2.163 Å | (7) |
| 2.130 Å | (17) |
| 2.057 Å | (19) |
| 1.986 Å | (25) |
| 1.980 Å | (17) |
| 1.831 Å | (9) |
| 1.818 Å | (11) |
| 1.797 Å | (20) |
| 1.722 Å | (11) |
| 1.673 Å | (7) |
Comments:
ICDD 35-513. See also ICDD 19-703, ICDD 21-463 and ICDD 21-1018
Geological EnvironmentHide
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Type Occurrence of RobinsoniteHide
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General Appearance of Type Material:
Slender prismatic and striated; also massive, fibrous to compact.
Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa, Canada, 12132.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 106568.
Geological Setting of Type Material:
Low temperature hydrothermal deposit
Associated Minerals at Type Locality:
Reference:
Berry, L.G., Fahey, J.J., Bailey, E.H. (1952): Robinsonite, a new lead antimony sulfide. American Mineralogist: 37: 438-446.
Other Language Names for RobinsoniteHide
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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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Fluorescence of RobinsoniteHide
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Other InformationHide
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Notes:
Raman bands connected with stretching and bending of the SbS3 groups are between 350 and 175 cm-1.
Etching with 40% KOH occurs in a few minutes, distinguished from boulangerite which remains unaffected for up to 10 minutes.
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 RobinsoniteHide
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References for RobinsoniteHide
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Localities for RobinsoniteHide
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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.