Hollingworthite (original) (raw)
A valid IMA mineral species
About HollingworthiteHide
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Colour:
Medium gray, slight bluish tint in oil
Specific Gravity:
7.86 (Calculated)
Name:
Named in 1965 by Eugen Friedrich Stumpfl and Andrew M. Clark in honor of Sidney Ewart Hollingworth [November 7, 1899 Flore, Northamptonshire, England, UK - June 23, 1966], professor of geology at University College, London, England, UK. Hollingworth specialized in the Pleistocene geology of Northern United Kingdom. The Hollingworth Cliffs in Antarctica are also named for him.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1922:0
1dd54fdf-6016-4997-8336-47bf63f6ecc9
IMA Classification of HollingworthiteHide
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Type description reference:
Classification of HollingworthiteHide
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2.EB.25
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2.12.3.8
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.12.12
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
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 |
---|---|---|
Hlw | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Hlw | 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 HollingworthiteHide
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Colour:
Medium gray, slight bluish tint in oil
Hardness:
VHN100=650 - 700 kg/mm2 - Vickers
Density:
7.86 g/cm3 (Calculated)
Optical Data of HollingworthiteHide
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Reflectivity:
Wavelength | R |
---|---|
420nm | 50.0% |
440nm | 51.3% |
460nm | 51.9% |
480nm | 51.9% |
500nm | 51.5% |
520nm | 51.3% |
540nm | 50.8% |
560nm | 50.2% |
580nm | 49.7% |
600nm | 49.2% |
620nm | 48.5% |
640nm | 47.8% |
660nm | 47.2% |
680nm | 46.4% |
700nm | 45.6% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 51.9%.
Colour in reflected light:
In oil, medium gray, slightly bluish
Chemistry of HollingworthiteHide
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Mindat Formula:
(Rh,Pt,Pd)AsS
Common Impurities:
Pt,Ir,Ru,Fe
Crystallography of HollingworthiteHide
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Class (H-M):
m_3(2/m_3) - Diploidal
Cell Parameters:
a = 5.783(14) Å
Unit Cell V:
193.40 ų (Calculated from Unit Cell)
Morphology:
Euhedral to anhedral grains, to 40 µm.
Crystal StructureHide
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ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0014012 | Hollingworthite | Foecker A J, Jeitschko W (2001) The atomic order of the pnictogen and chalcogen atoms in equiatomic ternary Journal of Solid State Chemistry 162 69-78 | 2001 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.31 Å | (100) |
2.87 Å | (100) |
1.74 Å | (10) |
2.04 Å | (90) |
1.112 Å | (90) |
2.57 Å | (80) |
1.29 Å | (80) |
Geological EnvironmentHide
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Type Occurrence of HollingworthiteHide
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General Appearance of Type Material:
Place of Conservation of Type Material:
National School of Mines, Paris, France.
Associated Minerals at Type Locality:
Reference:
Stumpel, E.F., Clark, A.M. (1965) Hollingworthite, a new rhodium mineral, identified by electron probe microanalysis. American Mineralogist: 50: 1068-1074.
Synonyms of HollingworthiteHide
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Other Language Names for HollingworthiteHide
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Relationship of Hollingworthite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
6 photos of Hollingworthite associated with Gersdorffite | NiAsS |
---|---|
5 photos of Hollingworthite associated with Laurite | RuS2 |
5 photos of Hollingworthite associated with Irarsite | (Ir,Ru,Rh,Pt)AsS |
5 photos of Hollingworthite associated with Palladoarsenide | Pd2As |
4 photos of Hollingworthite associated with Sperrylite | PtAs2 |
3 photos of Hollingworthite associated with Isoferroplatinum | Pt3Fe |
3 photos of Hollingworthite associated with Polyxene | (Pt,Fe,Cu,Ni,Pd,Rh) |
2 photos of Hollingworthite associated with Osmium | (Os,Ir,Ru) |
2 photos of Hollingworthite associated with Osarsite | (Os,Ru)AsS |
1 photo of Hollingworthite associated with Inaglyite | Cu3Pb(Ir,Pt)8S16 |
Related Minerals - Strunz-mindat GroupingHide
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2.EB. | Iridarsenite | (Ir,Ru)As2 | Mon. 2/m : _P_21/b |
---|---|---|---|
2.EB. | Selenolaurite | RuSe2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB. | Andrieslombaardite | RhSbS | Iso. 23 : _P_213 |
2.EB. | Kanatzidisite | (SbBiS3)2Te2 | Mon. 2/m : _P_21/m |
2.EB.05a | Aurostibite | AuSb2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05b | Bambollaite | Cu(Se,Te)2 | Tet. |
2.EB.05a | Cattierite | CoS2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Erlichmanite | OsS2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Fukuchilite | Cu3FeS8 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Geversite | PtSb2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Hauerite | MnS2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Insizwaite | Pt(Bi,Sb)2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Krut'aite | CuSe2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Laurite | RuS2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Penroseite | (Ni,Co,Cu)Se2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Pyrite | FeS2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Sperrylite | PtAs2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Trogtalite | CoSe2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Vaesite | NiS2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Villamanínite | (Cu,Ni,Co,Fe)S2 | Tric. |
2.EB.05a | Dzharkenite | FeSe2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a | Gaotaiite | Ir3Te8 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.05a v | Cayeuxite | ||
2.EB.10b | Alloclasite | Co1-xFexAsS | Mon. 2 : _P_21 |
2.EB.10d | Costibite | CoSbS | Orth. m _m_2 : P m _n_21 |
2.EB.10a | Ferroselite | FeSe2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.10a | Frohbergite | FeTe2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.10c | Glaucodot | (Co0.50Fe0.50)AsS | Orth. m _m_2 : P m _n_21 |
2.EB.10a | Kullerudite | NiSe2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.10a | Marcasite | FeS2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.10a | Mattagamite | CoTe2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.10e | Paracostibite | CoSbS | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
2.EB.10e | Pararammelsbergite | NiAs2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
2.EB.10f | Oenite | CoSbAs | Orth. |
2.EB.10a | Petříčekite | CuSe2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.15a | Anduoite | (Ru,Os)As2 | Orth. |
2.EB.15a | Clinosafflorite | CoAs2 | Mon. 2/m : _P_21/m |
2.EB.15a | Löllingite | FeAs2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.15a | Nisbite | NiSb2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.15a | Omeiite | (Os,Ru)As2 | Orth. |
2.EB.15c | Paxite | CuAs2 | Mon. 2/m : _P_21/b |
2.EB.15a | Rammelsbergite | NiAs2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.15a | Safflorite | (Co,Ni,Fe)As2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.EB.15b | Seinäjokite | FeSb2 | Orth. |
2.EB.20 | Arsenopyrite | FeAsS | Mon. 2/m : _P_21/b |
2.EB.20 | Gudmundite | FeSbS | Mon. 2/m : _P_21/b |
2.EB.20 | Osarsite | (Os,Ru)AsS | Mon. |
2.EB.20 | Ruarsite | (Ru,Os)AsS | Mon. |
2.EB.25 va | Antimony-bearing Gersdorffite | Ni(As,Sb)S | |
2.EB.25 | Cobaltite | CoAsS | Orth. m _m_2 : P c _a_21 |
2.EB.25 | Gersdorffite | NiAsS | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Irarsite | (Ir,Ru,Rh,Pt)AsS | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Jolliffeite | NiAsSe | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Krutovite | NiAs2 | Iso. 23 : _P_213 |
2.EB.25 | Maslovite | PtBiTe | Iso. 23 : _P_213 |
2.EB.25 | Michenerite | PdBiTe | Iso. 23 : _P_213 |
2.EB.25 | Padmaite | PdBiSe | Iso. 432 |
2.EB.25 | Platarsite | Pt(As,S)2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Testibiopalladite | PdSbTe | Iso. |
2.EB.25 | Tolovkite | IrSbS | Iso. |
2.EB.25 | Ullmannite | NiSbS | Iso. 23 : _P_213 |
2.EB.25 | Willyamite | CoSbS | |
2.EB.25 | Changchengite | IrBiS | Iso. 23 : _P_213 |
2.EB.25 | Mayingite | IrBiTe | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Kalungaite | PdAsSe | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Milotaite | PdSbSe | Iso. 23 : _P_213 |
2.EB.25 | Paragersdorffite | Ni(As,S)2 | Iso. m_3(2/m_3) : P _a_3 |
2.EB.25 | Orthogersdorffite | NiAsS | Orth. m _m_2 : P c _a_21 |
2.EB.25 | Kvačekite | NiSbSe | Iso. 23 : _P_213 |
2.EB.30 | Urvantsevite | Pd(Bi,Pb)2 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m |
2.EB.35 | Rheniite | ReS2 | Tric. 1 : _P_1 |
Other InformationHide
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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 HollingworthiteHide
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References for HollingworthiteHide
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Reference List:
Localities for HollingworthiteHide
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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.