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Roxbyite

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Maikain Au deposit, Pavlodar Oblysy (Pavlodar [Pavlodarskaya] Oblast'), Kazakhstan
© Pavel M. Kartashov

Show Roxbyite Photos (3)
Formula:
Cu
 
9
S
 
5
System:MonoclinicColour:Blue-black
Hardness:2½ - 3
Name:Named after its discovery locality.


Chalcocite-Digenite Group

Classification of Roxbyite

IMA status:Approved 1986
Strunz 8th edition ID:2/B.01-40
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:2.4.7.4

2 : SULFIDES
4 : AmBnXp, with (m+n):p = 2:1
Hey's CIM Ref.: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
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Type Occurrence of Roxbyite

Type Locality:Olympic Dam Mine, Roxby Downs, Andamooka Ranges - Lake Torrens area, South Australia, Australia
Year of Discovery:1988

Physical Properties of Roxbyite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Blue-black
Hardness (Mohs):2½ - 3

Crystallography of Roxbyite

Crystal System:Monoclinic
Cell Parameters:a = 53.79Å, b = 30.9Å, c = 13.36Å
β = 90°
Ratio:a:b:c = 1.741 : 1 : 0.432
Unit Cell Volume:V 22,205.80 ų (Calculated from Unit Cell)

Chemical Properties of Roxbyite

Formula:
Cu
 
9
S
 
5
Essential elements:Cu, S
All elements listed in formula:Cu, S
Common Impurities:Fe

Relationship of Roxbyite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.BA.05Chalcocite
Cu
 
2
S
2.BA.05Djurleite
Cu
 
31
S
 
16
2.BA.05Geerite
Cu
 
8
S
 
5
2.BA.10Anilite
Cu
 
7
S
 
4
2.BA.10Digenite
Cu
 
9
S
 
5
2.BA.15Bornite
Cu
 
5
FeS
 
4
2.BA.20Bellidoite
Cu
 
2
Se
2.BA.20Berzelianite
Cu
 
2
Se
2.BA.25Athabascaite
Cu
 
5
Se
 
4
2.BA.25Umangite
Cu
 
3
Se
 
2
2.BA.30Rickardite
Cu
 
7
Te
 
5
2.BA.30Weissite
Cu
 
2-x
Te
2.BA.35Acanthite
Ag
 
2
S
2.BA.35Argentite
2.BA.40Mckinstryite
(Ag,Cu)
 
2
S
2.BA.40Stromeyerite
AgCuS
2.BA.40dUM2003-13
Ag
 
6
AuCu
 
2
S
 
5
2.BA.45Jalpaite
Ag
 
3
CuS
 
2
2.BA.45Selenojalpaite
Ag
 
3
CuSe
 
2
2.BA.50Eucairite
AgCuSe
2.BA.55Aguilarite
Ag
 
4
SeS
2.BA.55Naumannite
Ag
 
2
Se
2.BA.60Cervelleite
Ag
 
4
TeS
2.BA.60Hessite
Ag
 
2
Te
2.BA.60Chenguodaite
Ag
 
9
Fe
3+
 
Te
 
2
S
 
4
2.BA.65Henryite
Ag
 
3
Cu
 
4
Te
 
4
2.BA.65Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
2.BA.70Argyrodite
Ag
 
8
GeS
 
6
2.BA.70Canfieldite
Ag
 
8
(Sn,Ge)(S,Te)
 
6
2.BA.70Putzite
(Cu
 
4.7
Ag
 
3.3
)GeS
 
6
2.BA.75Fischesserite
Ag
 
3
AuSe
 
2
2.BA.75Penzhinite
(Ag,Cu)
 
4
Au(S,Se)
 
4
2.BA.75Petrovskaite
AuAg(S,Se)
2.BA.75Petzite
Ag
 
3
AuTe
 
2
2.BA.75Uytenbogaardtite
Ag
 
3
AuS
 
2
2.BA.80Bezsmertnovite
(Au,Ag)
 
4
Cu(Te,Pb)
2.BA.80Bilibinskite
PbCuAu
 
3
Te
 
2
2.BA.80Bogdanovite
(Au,Te,Pb)
 
3
(Cu,Fe)
Related Minerals - Hey's Index Grouping:

- +
3.1.1Chalcocite
Cu
 
2
S
3.1.2Djurleite
Cu
 
31
S
 
16
3.1.3Digenite
Cu
 
9
S
 
5
3.1.4Anilite
Cu
 
7
S
 
4
3.1.6Spionkopite
Cu
 
39
S
 
28
3.1.7Geerite
Cu
 
8
S
 
5
3.1.8Covellite
CuS
3.1.9Berzelianite
Cu
 
2
Se
3.1.10Bellidoite
Cu
 
2
Se
3.1.11Umangite
Cu
 
3
Se
 
2
3.1.12Yarrowite
Cu
 
9
S
 
8
3.1.13Athabascaite
Cu
 
5
Se
 
4
3.1.14Klockmannite
CuSe
3.1.15Krut'aite
CuSe
 
2
3.1.16Weissite
Cu
 
2-x
Te
3.1.17Rickardite
Cu
 
7
Te
 
5
3.1.18Vulcanite
CuTe
3.1.19Bambollaite
Cu(Se,Te)
 
2
3.1.20Lautite
CuAsS
3.1.21Mgriite
Cu
 
3
AsSe
 
3
3.1.22Cubanite
CuFe
 
2
S
 
3
3.1.23Bornite
Cu
 
5
FeS
 
4
3.1.24Fukuchilite
Cu
 
3
FeS
 
8
3.1.25Chalcopyrite
CuFeS
 
2
3.1.26Mooihoekite
Cu
 
9
Fe
 
9
S
 
16
3.1.27Haycockite
Cu
 
4
Fe
 
5
S
 
8
3.1.28Isocubanite
CuFe
 
2
S
 
3
3.1.29Idaite
Cu
 
5
FeS
 
6
3.1.30Nukundamite
(Cu,Fe)
 
4
S
 
4
3.1.31Putoranite
Cu
 
9
(Fe,Ni)
 
9
S
 
16
3.1.32Orickite
2CuFeS
 
2
·H
 
2
O
3.1.33Eskebornite
CuFeSe
 
2
3.1.34Chaméanite
(Cu,Fe)
 
4
As(Se,S)
 
4
3.1.35Talnakhite
Cu
 
9
(Fe,Ni)
 
8
S
 
16

Other Names for Roxbyite

Synonyms:
IMA1986-010
Other Languages:
German:Roxbyit
Spanish:Roxbyita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Roxbyite

Reference List:Mineralogical Magazine (1988): 52: 323-330.

American Mineralogist (1989): 74: 947.

Internet Links for Roxbyite

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  • Raman and XRD data at RRUFF project
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  • Search for Roxbyite in the Natural History Museum (London) online catalogue
  • Roxbyite details from Handbook of Mineralogy (PDF)
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    Localities for Roxbyite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    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
          • Booroondarra
    		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.
    • South Australia
      • Andamooka Ranges - Lake Torrens area
        • Roxby Downs
    		MM 1988, 323-330
    • Tasmania
      • Scamander district
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    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]
    Finland
     
    • Lapin (Lapland) Lääni
      • Penikat complex
        • Sompujärvi Reef
    		Canadian Mineralogist: 43: 1663-1686.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Niigata Prefecture
          • Mikawa-mura
    		Yamada (2002) Suisyou, 6-8.
    Kazakhstan
     
    • Pavlodar Oblysy (Pavlodar [Pavlodarskaya] Oblast')
    		Pavel M. Kartashov XRD diagnostic
    Peru
     
    • Tacna Department
      • Tacna Province
        • Barrio Obrero
    		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.
    Mineral and/or Locality
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