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Rickardite

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Good Hope Mine, Vulcan District, Gunnison Co., Colorado, USA
© C.Boutry

Formula:
Cu
 
7
Te
 
5
System:OrthorhombicColour:Red-violet (fresh), ...
Hardness:3½
Name:Named after Theodor A. Rickard, mineral engineer.
This page provides mineralogical data about Rickardite.

Classification of Rickardite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/B.04-20
Nickel-Strunz 10th (pending) edition ID:2.BA.30

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:2.16.15.1

2 : SULFIDES
16 : Miscellaneous
Hey's CIM Ref.:3.1.17

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 Rickardite

Type Locality:Good Hope Mine, Vulcan District, Gunnison Co., Colorado, USA
Year of Discovery:1903

Physical Properties of Rickardite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Red-violet (fresh), darkens
Streak:Red
Hardness (Mohs):3½

Crystallography of Rickardite

Crystal System:Orthorhombic
Cell Parameters:a = 4Å, b = 19.89Å, c = 12.22Å
Ratio:a:b:c = 0.201 : 1 : 0.614
Unit Cell Volume:V 972.22 ų (Calculated from Unit Cell)

Chemical Properties of Rickardite

Formula:
Cu
 
7
Te
 
5
Essential elements:Cu, Te
All elements listed in formula:Cu, Te

Relationship of Rickardite 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.05Roxbyite
Cu
 
9
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.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.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.65Henryite
Ag
 
3
Cu
 
4
Te
 
4
2.BA.65Stützite
Ag
 
7
Te
 
4
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
3.1.5Roxbyite
Cu
 
9
S
 
5
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
3.1.18Vulcanite
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
 
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 Rickardite

German names:
Rickardit
Russian names:
Рикардит
Spanish names:
Rickardita

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 Rickardite

Reference List:Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 198-199.

American Mineralogist (1949): 34: 441-451.

Acta Crystallographica: B49: 398-403.

Mineralogical Journal (Japan) (1973): 7: 252.

Internet Links for Rickardite

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  • Raman and XRD data at RRUFF project
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  • Rickardite details from Handbook of Mineralogy (PDF)
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    Localities for Rickardite

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    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.
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    (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.
    Bolivia
     
    • La Paz Department
      • Aroma Province
    		USGS Bulletin # 1975, p. 255.
    China
     
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Hami (Kumul; Qumul) Prefecture
        • Hami (Kumul; Qumul) Co.
          • Tuwu-Yandong copper ore belt
    		http://pubs.usgs.gov/of/2005/1060/PorCu.txt
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    		(japanese locality species lists)
      • Kinki region
        • Wakayama prefecture
    		Manabe Minerals specimens; Alfredo Petrov collection
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
    		Lapis 2001(1), 11-40
    Slovakia
     
    • Prešov Region
      • Northern Slanské Mts
    		Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    South Africa
     
    • Northern Cape Province
      • Namaqualand
    		Min Rec 35:4 pp289-317
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    		No reference listed
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 355; Crawford, W.P. (1930), Notes on Rickardite, a new occurrence, Am.Min.: 15: 272-273; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 17; Moore, R.T. (1953), Minerals and Metals of Increasing Interest, Rare and Radioactive Minerals, AZ Bur. Mines Bull. 163: 19.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 248, 355; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436; Criddle, A.J., et al (1983), Henryite, a new copper-silver telluride from Bisbee, AZ, Bull. Min.: 106: 511-517.
        • Tombstone District
          • Tombstone
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 212-213.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 355.
    • Colorado
      • Boulder Co.
        • Gold Hill District
    		Minerals of Colorado (1997) E.B. Eckels
        • Jamestown District
    		Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
        • Magnolia District
    		Minerals of Colorado (1997) E.B. Eckels
        • Sugarloaf District
    		Minerals of Colorado (1997) E.B. Eckels
      • Custer Co.
        • Rosita District
    		Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • Vulcan District
    		Amer.J.Sci.(1903) ser. 4, 15, 69-70
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Lake Co.
        • Alicante
          • Buckeye Gulch
    		Minerals of Colorado (1997) Eckels, E. B.
      • Saguache Co.
        • Bonanza District (Kerber Creek District)
          • Bonanza
    		Dana 7:I:199.
    • New Mexico
      • Doña Ana Co.
    		Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Mineral and/or Locality
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