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Roxbyite

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Formula:
Cu9S5
Colour:
Blue-black
Lustre:
Metallic
Hardness:
2½ - 3
Crystal System:
Triclinic
Name:
Named after its discovery locality.
Chalcocite-Digenite Group.

A low-temperature alteration product of djurleite.


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Classification of RoxbyiteHide

Approved
Approval Year:
1986
2.BA.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
2.4.7.4

2 : SULFIDES
4 : AmBnXp, with (m+n):p = 2:1
3.1.5

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu

Physical Properties of RoxbyiteHide

Metallic
Transparency:
Opaque
Colour:
Blue-black
Hardness:
2½ - 3 on Mohs scale

Chemical Properties of RoxbyiteHide

Formula:
Cu9S5
IMA Formula:
Cu1.78S
Common Impurities:
Fe

Crystallography of RoxbyiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 13.4051(9) Å, b = 13.4090(8) Å, c = 15.4852(3) Å
α = 90.022(2)°, β = 90.021(2)°, γ = 90.020(2)°
Ratio:
a:b:c = 1 : 1 : 1.155
Unit Cell V:
2,783.45 ų (Calculated from Unit Cell)
Morphology:
As single crystals, to 0.01 mm, epitaxially intergrown with djurleite; in powdery mixtures with djurleite.
Comment:
Pseudo-monoclinic, with pseudo-space group C2/m, Cm or C2, and a = 53.79, b = 30.90, c = 13.36 Å, beta = 90°.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.86 (70)
2.630 (50)
2.375 (90)
1.933 (100)
1.857 (80)
1.673 (25)
1.626 (20)

Type Occurrence of RoxbyiteHide

Synonyms of RoxbyiteHide

Other Language Names for RoxbyiteHide

German:Roxbyit
Simplified Chinese:五硫铜矿
Spanish:Roxbyita

Relationship of Roxbyite to other SpeciesHide

Structurally related to group(s):

Common AssociatesHide

Associated Minerals Based on Photo Data:
Sericite4 photos of Roxbyite associated with Sericite on mindat.org.
Copper3 photos of Roxbyite associated with Copper on mindat.org.
Pyrite2 photos of Roxbyite associated with Pyrite on mindat.org.
Yarrowite1 photo of Roxbyite associated with Yarrowite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.10AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.10DigeniteCu9S5Trig. 3m (3 2/m) : R3m
2.BA.15BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2SeIso. m3m (4/m 3 2/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet.
2.BA.30RickarditeCu7Te5Orth.
2.BA.30WeissiteCu2-xTeHex.
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm (2/m 2/m 2/m)
2.BA.40dUM2003-13-S:AgAuCuAg6AuCu2S5
2.BA.45JalpaiteAg3CuS2Tet.
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
2.BA.50EucairiteAgCuSeOrth.
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.55NaumanniteAg2SeOrth. 2 2 2 : P21 21 21
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40 Iso. m3m (4/m 3 2/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex.
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70CanfielditeAg8SnS6Orth. mm2
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 4 3m : F4 3m
2.BA.75FischesseriteAg3AuSe2Iso. 4 3 2 : I41 3 2
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4Hex.
2.BA.75PetrovskaiteAuAg(S,Se)Mon.
2.BA.75PetziteAg3AuTe2Iso. 4 3 2 : I41 3 2
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m (3 2/m) : R3c
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

Related Minerals - Dana Grouping (8th Ed.)Hide

2.4.7.1ChalcociteCu2SMon. 2/m : P21/b
2.4.7.2DjurleiteCu31S16Mon. 2/m
2.4.7.3DigeniteCu9S5Trig. 3m (3 2/m) : R3m
2.4.7.5AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
2.4.7.7SpionkopiteCu39S28Trig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.1.1ChalcociteCu2SMon. 2/m : P21/b
3.1.2DjurleiteCu31S16Mon. 2/m
3.1.3DigeniteCu9S5Trig. 3m (3 2/m) : R3m
3.1.4AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
3.1.6SpionkopiteCu39S28Trig.
3.1.7GeeriteCu8S5Trig. 3
3.1.8CovelliteCuSHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.1.9BerzelianiteCu2SeIso. m3m (4/m 3 2/m) : Fm3m
3.1.10BellidoiteCu2SeTet. 4/m : P42/n
3.1.11UmangiteCu3Se2Tet.
3.1.12YarrowiteCu9S8Trig.
3.1.13AthabascaiteCu5Se4Orth.
3.1.14KlockmanniteCuSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.1.15Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
3.1.16WeissiteCu2-xTeHex.
3.1.17RickarditeCu7Te5Orth.
3.1.18VulcaniteCuTeOrth.
3.1.19BambollaiteCu(Se,Te)2Tet.
3.1.20LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
3.1.21MgriiteCu3AsSe3
3.1.22CubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
3.1.23BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
3.1.24FukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
3.1.25ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
3.1.26MooihoekiteCu9Fe9S16Tet.
3.1.27HaycockiteCu4Fe5S8Orth. 2 2 2
3.1.28IsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
3.1.29IdaiteCu5FeS6Hex.
3.1.30NukundamiteCu3.4Fe0.6S4Trig. 3m (3 2/m) : P3m1
3.1.31PutoraniteCu1.1Fe1.2S2Iso.
3.1.32Orickite2CuFeS2 · H2OHex.
3.1.33EskeborniteCuFeSe2Tet.
3.1.34Chaméanite(Cu,Fe)4As(Se,S)4Iso.
3.1.35TalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m

Other InformationHide

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 RoxbyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mumme, W.G., G.J. Sparrow, and G.S. Walker (1988): Roxbyite, a new copper sulphide mineral from the Olympic Dam deposit, Roxby Downs, South Australia. Mineral. Mag., 52, 323-330. [Abs. in American Mineralogist (1989): 74: 947.]
Mumme, W.G., Gable, R.W., Petříček, V. (2012): The crystal structure of roxbyite, Cu58S32. Canadian Mineralogist 50, 423-430.

Internet Links for RoxbyiteHide

Localities for RoxbyiteHide

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

- 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). 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Atlantic Ocean
 
  • Mid-Atlantic Ridge complex
Gablina, I.F., Semkova, T.A., Stepanova, T.V., and Gor'kova, N.V. (2006): Lithology and Mineral Resources 41(1), 27-44.
Australia
 
  • New South Wales
    • Robinson Co.
      • Cobar
Chapman, J. & Scott, K. (2005): Supergene minerals from the oxidised zone of the Elura (Endeavor) lead-zinc-silver deposit. Australian Journal of Mineralogy, 11, 83-90. ; Leverett, P., McKinnon, A. R., & Williams, P. A. (2005). Supergene geochemistry of the Endeavor ore body, Cobar, NSW, and relationships to other deposits in the Cobar basin. Regolith 2005–Ten Years of CRC LEME, 191-194.
  • South Australia
    • Stuart Shelf
      • Roxby Downs
Roberts, D.E., Hudson, G.R.T., and Li, Z. (1984): Geology and Prospecting 20(7), 32-37, 51 (as potentially new copper sulphide with low copper content); MM 1988, 323-330
  • Tasmania
    • Break O'Day municipality
      • Scamander district
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Canada
 
  • Nova Scotia
    • Colchester Co.
Sabina, A.P. (2015) Rocks and minerals for the collector: Bay of Fundy, New Brunswick and Nova Scotia; South Shore, Nova Scotia. Geological Survey of Canada, Popular Geoscience 97: 456 pages, doi:10.4095/293933
    • Lunenburg Co.
      • New Ross
Sabina, A.P. (2015) Rocks and minerals for the collector: Bay of Fundy, New Brunswick and Nova Scotia; South Shore, Nova Scotia. Geological Survey of Canada, Popular Geoscience 97: 456 pages, doi:10.4095/293933.
Chile
 
  • Libertador General Bernardo O'Higgins Region
    • Cachapoal Province
      • Rancagua
        • El Teniente
Clarck, A.H. (1972): A natural occurrence of hexagonal Cu1.83S in Rancagua, Chile. Nature Phys. Sci. 238, 123-124.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Příbram
        • Vrančice
[Lapis 1995, 12, p.13-24]
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society 48, 19-147
    • Liberec Region
      • Košťálov
Malec J. et al.: Jacutingait, paladiové zlato a Pd-selenidy v Cu-zrudnění z karbonských sedimentù od Košťálova u Semil (podkrkonošská pánev). Zprávy o geologických výzkumech v roce 2011, Mineralogie, petrologie a geochemie, 189-192.
    • Ústí Region
      • Krušné Hory Mts (Erzgebirge)
        • Klášterec nad Ohří
- Hyrsl, J. & Korbel, P. (2009): Tschechien & Slowakei, Mineralien und Fundstellen. Page 71.
Finland
 
  • Lapland Region
    • Penikat complex
      • Sompujärvi Reef
Canadian Mineralogist: 43: 1663-1686.
Hungary
 
  • Borsod-Abaúj-Zemplén Co.
    • Rudabányai Mts
      • Rudabánya
GEODA 2010/1
Japan
 
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
        • Aga-machi (Higashi-Kanbara-gun)
Yamada (2002) Suisyou, 6-8.
Kazakhstan
 
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    • Chu-Sarysu basin
      • Dzhezkazgan (Zhezqazghan)
In the collection of Brent Thorne. Analysis done by GEO TRADER minerals, whom specimen was acquired from.
  • Pavlodar Province (Pavlodar Oblysy; Pavlodarskaya Oblast')
Pavel M. Kartashov XRD diagnostic
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Blaß, G., Kruijen, F. & Seyb, R. (2009): Neues von der Tsumeb Mine. Mineralien-Welt 20 (5), 60-65 (in German).
Peru
 
  • Tacna Department
    • Jorge Basadre Province
      • Ilabaya
        • Barrio Obrero Toquepala
Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
Spain
 
  • Asturias
    • Belmonte de Miranda
Mesa, M., Calvo, M. & Viñals,(2002). El Valle - Boinás, un proyecto moderno con minerales de excepción. Bocamina, 9, 40-85.
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
Turkey
 
  • Mediterranean Region
    • Antalya Province
      • Kaş
Basciano L C , Peterson R C , Roeder P L , (1998) Description of schoenfliesite, MgSn(OH)6, and roxbyite, Cu1.72S, from a 1375 BC shipwreck, and rietveld neutron-diffraction refinement of synthetic schoenfliesite, wickmanite, MnSn(OH)6, and burtite, CaSn(OH)6, The Canadian Mineralogist , 36:1203-1210
UK
 
  • Scotland
    • North West Highlands
      • Loch Kishorn
Faithfull, J., Young, B., Starkey, R.E. (2012) Copper mineralisation at Rassal, Kishorn, Highland Region. Journal of the Russell Society, Vol. 15, pg. 49-58.
  • Wales
    • Powys
      • Old Radnor
        • Wethel
Cotterell TF et al (2011) The mineralogy of Dolyhir quarry, Old Radnor. Powys, Wales. UKJMM 32:5-61
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