Rickardite
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About Rickardite
Formula:
Cu7Te5
Colour:
Red-violet (fresh), darkens
Lustre:
Metallic
Hardness:
3½
Crystal System:
Orthorhombic
Name:
Named after Thomas Arthur Rickard (1864–1953), mining engineer and Editor of the Engineering and Mining Journal, New York and London.
This page provides mineralogical data about Rickardite.
Classification of Rickardite
Approved, 'Grandfathered' (first described prior to 1959)
2/B.04-20
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
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
2.16.15.1
2 : SULFIDES
16 : Miscellaneous
2 : SULFIDES
16 : Miscellaneous
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
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 Rickardite
Chemical Properties of Rickardite
Formula:
Cu7Te5
IMA Formula:
Cu3-xTe2
Elements listed:
Crystallography of Rickardite
Crystal System:
Orthorhombic
Cell Parameters:
a = 4 Å, b = 19.89 Å, c = 12.22 Å
Ratio:
a:b:c = 0.201 : 1 : 0.614
Unit Cell V:
972.22 ų (Calculated from Unit Cell)
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0000047 | Rickardite | Forman S A, Peacock M A (1949) Crystal structure of rickardite, Cu4-xTe2 American Mineralogist 34 441-451 | ![]() | 1949 | 0 | 293 |
CIF Raw Data - click here to close
Type Occurrence of Rickardite
Other Language Names for Rickardite
Common Associates
Associated Minerals Based on Photo Data:
3 photos of Rickardite associated with Tellurium | Te |
2 photos of Rickardite associated with Altaite | PbTe |
1 photo of Rickardite associated with Henryite | (Cu,Ag)3+xTe2 , with x ~ 0.40 |
1 photo of Rickardite associated with Hessite | Ag2Te |
1 photo of Rickardite associated with Petzite | Ag3AuTe2 |
1 photo of Rickardite associated with Sylvanite | (Au,Ag)2Te4 |
Related Minerals - Nickel-Strunz Grouping
2.BA. | Alburnite | Ag8GeTe2S4 | Iso. |
2.BA. | Dzierżanowskite | CaCu2S2 | Trig. 3m (3 2/m) : P3m1 |
2.BA.05 | Chalcocite | Cu2S | Mon. 2/m : P21/b |
2.BA.05 | Djurleite | Cu31S16 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
2.BA.05 | Geerite | Cu8S5 | Trig. 3 |
2.BA.05 | Roxbyite | Cu9S5 | Tric. 1 : P1 |
2.BA.10 | Anilite | Cu7S4 | Orth. mmm (2/m 2/m 2/m) : Pnma |
2.BA.10 | Digenite | Cu9S5 | Trig. 3m (3 2/m) : R3m |
2.BA.15 | Bornite | Cu5FeS4 | Orth. mmm (2/m 2/m 2/m) : Pbca |
2.BA.20 | Bellidoite | Cu2Se | Tet. 4/m : P42/n |
2.BA.20 | Berzelianite | Cu2Se | Iso. m3m (4/m 3 2/m) : Fm3m |
2.BA.25 | Athabascaite | Cu5Se4 | Orth. |
2.BA.25 | Umangite | Cu3Se2 | Tet. |
2.BA.30 | Weissite | Cu2-xTe | Hex. |
2.BA.35 | Acanthite | Ag2S | Mon. 2/m : P21/m |
2.BA.40 | Mckinstryite | Ag5-xCu3+xS4 | Orth. mmm (2/m 2/m 2/m) : Pnma |
2.BA.40 | Stromeyerite | AgCuS | Orth. mmm (2/m 2/m 2/m) |
2.BA.40d | UM2003-13-S:AgAuCu | Ag6AuCu2S5 | |
2.BA.45 | Jalpaite | Ag3CuS2 | Tet. |
2.BA.45 | Selenojalpaite | Ag3CuSe2 | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
2.BA.50 | Eucairite | AgCuSe | Orth. |
2.BA.55 | Aguilarite | Ag4SeS | Mon. 2/m |
2.BA.55 | Naumannite | Ag2Se | Orth. 2 2 2 : P21 21 21 |
2.BA.60 | Cervelleite | Ag4TeS | Mon. 2/m |
2.BA.60 | Hessite | Ag2Te | Mon. 2/m : P21/b |
2.BA.60 | Chenguodaite | Ag9Fe3+Te2S4 | Orth. |
2.BA.65 | Henryite | (Cu,Ag)3+xTe2 , with x ~ 0.40 | Iso. m3m (4/m 3 2/m) : Fd3c |
2.BA.65 | Stützite | Ag5-xTe3, x = 0.24-0.36 | Hex. 6 : P6 |
2.BA.70 | Argyrodite | Ag8GeS6 | Orth. mm2 : Pna21 |
2.BA.70 | Canfieldite | Ag8SnS6 | Orth. mm2 |
2.BA.70 | Putzite | (Cu4.7Ag3.3)GeS6 | Iso. 4 3m : F4 3m |
2.BA.75 | Fischesserite | Ag3AuSe2 | Iso. 4 3 2 : I41 3 2 |
2.BA.75 | Penzhinite | (Ag,Cu)4Au(S,Se)4 | Hex. |
2.BA.75 | Petrovskaite | AuAgS | Mon. |
2.BA.75 | Petzite | Ag3AuTe2 | Iso. 4 3 2 : I41 3 2 |
2.BA.75 | Uytenbogaardtite | Ag3AuS2 | Trig. 3m (3 2/m) : R3c |
2.BA.80 | Bezsmertnovite | (Au,Ag)4Cu(Te,Pb) | Orth. |
2.BA.80 | Bilibinskite | PbCu2Au3Te2 | Iso. |
2.BA.80 | Bogdanovite | (Au,Te,Pb)3(Cu,Fe) | Iso. |
Related Minerals - Dana Grouping (8th Ed.)
2.16.15.2 | Oosterboschite | (Pd,Cu)7Se5 | Orth. |
Related Minerals - Hey's Chemical Index of Minerals Grouping
3.1.1 | Chalcocite | Cu2S | Mon. 2/m : P21/b |
3.1.2 | Djurleite | Cu31S16 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
3.1.3 | Digenite | Cu9S5 | Trig. 3m (3 2/m) : R3m |
3.1.4 | Anilite | Cu7S4 | Orth. mmm (2/m 2/m 2/m) : Pnma |
3.1.5 | Roxbyite | Cu9S5 | Tric. 1 : P1 |
3.1.6 | Spionkopite | Cu39S28 | Hex. 6 2 2 |
3.1.7 | Geerite | Cu8S5 | Trig. 3 |
3.1.8 | Covellite | CuS | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
3.1.9 | Berzelianite | Cu2Se | Iso. m3m (4/m 3 2/m) : Fm3m |
3.1.10 | Bellidoite | Cu2Se | Tet. 4/m : P42/n |
3.1.11 | Umangite | Cu3Se2 | Tet. |
3.1.12 | Yarrowite | Cu9S8 | Trig. 3m (3 2/m) : P3m1 |
3.1.13 | Athabascaite | Cu5Se4 | Orth. |
3.1.14 | Klockmannite | CuSe | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
3.1.15 | Krut'aite | CuSe2 | Iso. m3 (2/m 3) : Pa3 |
3.1.16 | Weissite | Cu2-xTe | Hex. |
3.1.18 | Vulcanite | CuTe | Orth. |
3.1.19 | Bambollaite | Cu(Se,Te)2 | Tet. |
3.1.20 | Lautite | CuAsS | Orth. mmm (2/m 2/m 2/m) : Pnma |
3.1.21 | Mgriite | Cu3AsSe3 | Iso. m3m (4/m 3 2/m) |
3.1.22 | Cubanite | CuFe2S3 | Orth. mmm (2/m 2/m 2/m) |
3.1.23 | Bornite | Cu5FeS4 | Orth. mmm (2/m 2/m 2/m) : Pbca |
3.1.24 | Fukuchilite | Cu3FeS8 | Iso. m3 (2/m 3) : Pa3 |
3.1.25 | Chalcopyrite | CuFeS2 | Tet. 4 2m : I4 2d |
3.1.26 | Mooihoekite | Cu9Fe9S16 | Tet. |
3.1.27 | Haycockite | Cu4Fe5S8 | Orth. 2 2 2 |
3.1.28 | Isocubanite | CuFe2S3 | Iso. m3m (4/m 3 2/m) : Fm3m |
3.1.29 | Idaite | Cu5FeS6 | Hex. |
3.1.30 | Nukundamite | Cu3.33Fe0.66S4 | Trig. 3m (3 2/m) : P3m1 |
3.1.31 | Putoranite | Cu1.1Fe1.2S2 | Iso. |
3.1.32 | Orickite | 2CuFeS2 · H2O | Hex. |
3.1.33 | Eskebornite | CuFeSe2 | Tet. |
3.1.34 | Chaméanite | (Cu,Fe)4As(Se,S)4 | Iso. |
3.1.35 | Talnakhite | Cu9(Fe,Ni)8S16 | Iso. 4 3m : I4 3m |
Other Information
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 Rickardite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ford, W.E. (1903) Rickardit, ein neues Mineral. Zeitschrift für Krystallographie und Mineralogie: 37: 609-610.
Ford, W.E. (1903) Rickardite, a new mineral. American Journal of Science: 165: 69-70.
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.
Thompson, R.M. (1949) The telluride minerals and their occurrence in Canada. American Mineralogist: 34: 342-382.
Forman, S.A., Peacock, M.A. (1949) Crystal structure of rickardite, Cu4-xTe2. American Mineralogist: 34: 441-451.
Baranova, R.V., Pinsker, Z.G. (1969) The question of disorder in the tetragonal phase Cu4-xTe2. Soviet Physics - Crystallography: 14: 214-217.
Mineralogical Journal (Japan) (1973): 7: 252.
Schutte, W.J., de Boer, J.L. (1993) Determination of the incommensurately modulated structure of Cu3-xTe2. Acta Crystallographica: B49: 398-403.
Internet Links for Rickardite
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https://www.mindat.org/min-3417.html
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Localities for Rickardite
Locality List




All localities listed without proper references should be considered as questionable.
Australia | |
| Econ.Geol.: 83; 395-404 |
| Mock, C., Elliott, B.G., Ewers, G.R., Lorenz, R.P. (1987), Gold deposits of Western Australia, BMR Datafile (MINDEP), Resource Deposit 3, Department of Primary Industries and Energy/ Bureau of Mineral Resources Geology Geophysics, Commonwealth Government of Australia, 1987 |
| Simpson, E.S. (1948), Minerals of Western Australia, Vol 3, p488 |
Bolivia | |
| USGS Bulletin # 1975, p. 255. |
Bulgaria | |
| Tsonev, D., Popov, K., Kanazirski, M., Strashimirov, S. 2000. Radka ore field. In: Strashimirov, S., Popov, P. (Eds.), Geology and Metallogeny of the Panagyurishte Ore Region (Srednogorie Zone, Bulgaria). ABCD-GEODE 2000 Workshop, Guide to excursions (A and C), 32-39. |
Canada | |
| R. M. Thompson (1954) Mineral occurrences in Western Canada. American Mineralogist 39:525-528; British Columbia Geological Survey, Minfile database. |
| RIDLAND, G. C (1941): Mineralogy of the Negus and Con Mines, Yellowknife, Northwest |
COLEMAN, L.C. (1953) Mineralogy of the Yellowknife Bay are, N.W.T. American Mineralogist 38, 506-527. | |
RIDLAND, G. C (1941): Mineralogy of the Negus and Con Mines, Yellowknife, Northwest | |
| Econ.Geol.: 83; 395-404 |
| Sabina (2003) 66. |
Econ.Geol.: 83; 395-404 | |
Chile | |
| Jannas, R.R., Beane, R.E., Ahler, B.A., Brosnahan, D.R. (1990) Gold and copper mineralization at the El Indio deposit, Chile. Journal of Geochemical Exploration, 36, 233-266. |
China | |
| Shuzhang Tian, Jingyu Chen, and Xiumei Li (1993): Gold Geology 5(4), 54-58; Shuzhang Tian, Jingyu Chen, and Xiumei Li (1994): Acta Mineralogica Sinica 14(3), 241-246 |
| http://pubs.usgs.gov/of/2005/1060/PorCu.txt |
Czech Republic | |
| Economic Geology 92 (1997) 468-484. |
El Salvador | |
| American Mineralogist (1930) 15: 272-273 |
Ghana | |
| Mineralogical Magazine 1990 54 : 617-627; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22. |
Greece | |
| Kolitsch, U., Rieck, B. and Voudouris, P. (2015): Mineralogy and genesis of the Lavrion ore deposit: new insights from the study of ore and accessory minerals. MinPet 2015, Leoben, Austria, September 10-13; abstract in Mitt. Österr. Mineral. Ges. 161, 66.; Rieck, B., Kolitsch, U., Voudouris, P., Giester, G. and Tzeferis, P. (2018): Weitere Neufunde aus Lavrion, Griechenland. Mineralien-Welt 29 (5), 32-77 (in German). |
| Economic Geology 102 (2007) 1269-1294.; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22. |
Japan | |
| 石橋正夫. (1956). Some Tellurium Minerals from the Kobetsuzawa Mine, Sapporo, Hokkaido. 鉱物学雜誌, 2(6), 447-457.; Nakata et al (1989) Mineralogical Magazine, 53, 387-388 |
Watanabe (1934) Ganseki-Koubutsu-Koshogaku Zasshi, 11, 213-220.; 島倉広至, 三浦貴生, 浜根大輔, 松枝大治, & 三浦裕行. (2015). 北海道手稲鉱山産 Te, Bi, As 鉱物. 北海道大学地球物理学研究報告, 78, 19-35. | |
| Int Geol Congr (2008) Oslo. MRD-09; Okamoto collection (curated at the Geological Survey museum, Japan) |
| Manabe Minerals specimens; Alfredo Petrov collection |
Kazakhstan | |
| Глоба В.А. Месторождение Манка - новый геолого-промышленный тип месторождений золота. // Изв. НАН РК, Сер. геол. 2006, 5(403), с.20-28. |
Mexico | |
| Lapis 2001(1), 11-40 |
Bonev, I.K., Petrunov, R., Cook, N.J., Ciobanu, C.L. (2005) Kostovite and its argentian varieties: Deposits and mineral associations. Geochemistry, Mineralogy and Petrology (Bulgarian Academy of Sciences): 42: 1-22. | |
Russia | |
| Parada, S. G., & Stolyarov, V. V. (2012, August). Relation of gold mineralization on the northern flank of the Tyrnyauz deposit to intrusive complexes, Kabardino-Balkar Republic. In Doklady Earth Sciences (Vol. 445, No. 2, pp. 939-942). MAIK Nauka/Interperiodica. |
| Andreeva, E. D., Matsueda, H., Okrugin, V. M., Takahashi, R., & Ono, S. (2013). Au–Ag–Te Mineralization of the Low‐Sulfidation Epithermal Aginskoe Deposit, Central Kamchatka, Russia. Resource Geology, 63(4), 337-349. |
V.A. Kovalenker, O.Yu. Plotinskaya (2005): Te and Se mineralogy of Ozernovskoe and Prasolovskoe epithermal gold deposits, Kuril – Kamchatka volcanic belt. Geochemistry, Mineralogy and Petrology 43, 118-123. [http://www.geology.bas.bg/mineralogy/gmp_files/gmp43/Kovalenker.pdf]; Spiridonov, E. M., Filimonov, S. V., & Bryzgalov, I. A. (2009, April). Solid solution fisnhesserite-naumannite (Ag, Au) 2 Se in ores of the volcanogenic gold deposit Ozernovskoye, Kamchatka. In Doklady Earth Sciences (Vol. 425, No. 2, pp. 415-418). SP MAIK Nauka/Interperiodica. | |
Saudi Arabia | |
| Econ.Geol.: 83; 395-404 |
Slovakia | |
| Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p |
Ďuďa R., Baláž B. (2001): Minerály na ložiskách zlatobanského stratovulkánu. Minerál, 9, 4, 248-269 (in Slovak). | |
South Africa | |
| Cairncross, B. (2004): History of The Okiep Copper District, Namaqualand, Northern Cape Province, South Africa. Mineralogical Record 35(4) 289-317. |
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:65 |
| American Mineralogist (1930) 15: 272-273 |
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.; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22. | |
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. | |
| Econ.Geol.: 83; 395-404 |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
Minerals of Colorado (1997) E.B. Eckel | |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel; William Crowley Kelly, Edwin Newell Goddard (1969) Telluride Ores of Boulder County, Colorado. GSA Memoir 109. |
| Minerals of Colorado (1997) E.B. Eckel |
| Ford, W.E. (1903) Rickardite, a new mineral. American Journal of Science: 165: 69-70. |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Minerals of Colorado (1997) Eckel, E. B. |
| Dana 7:I:199.; American Mineralogist (1930) 15: 272-273 |
| Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996) |
Minerals of New Mexico 3rd ed.; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Northrop, S.A., LaBruzza, F.A. (1996) Minerals of New Mexico. 3rd ed., University of New Mexico Press, Albuquerque, 346 pages. ; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Collected and analyzed by Joy Desor. |
| Collected by and in the collection of Brent Thorne. SEM-EDS confirmed by Rob Bowell. |
Uzbekistan | |
| Plotinskaya, O. Y., Kovalenker, V. A., Seltmann, R., & Stanley, C. J. (2006). Te and Se mineralogy of the high-sulfidation Kochbulak and Kairagach epithermal gold telluride deposits (Kurama Ridge, Middle Tien Shan, Uzbekistan). Mineralogy and Petrology, 87(3-4), 187-207.; Kovalenker, V. A., Safonov, Y. G., Naumov, V. B., & Rusinov, V. L. (1997). The Epithermal Gold-Telluride Kochbulak Deposit. Geology of Ore Deposits C/C of Geologiia Rudnykh Mestorozhdenii, 39, 107-128. |
Zimbabwe | |
| Econ.Geol.: 83; 395-404; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22. |
Good Hope Mine, Vulcan, Vulcan Mining District, Gunnison Co., Colorado, USA