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Betekhtinite

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Formula:
(Cu,Fe)21Pb2S15
Colour:
Black
Lustre:
Metallic
Hardness:
3 - 3½
Specific Gravity:
5.96 - 6.05
Crystal System:
Orthorhombic
Name:
For Anatolii Georgievich Betekhtin (1897-1962), Russian mineralogist and economic geologist.
This page provides mineralogical data about Betekhtinite.


Hide all sections | Show all sections

Classification of BetekhtiniteHide

Approved, 'Grandfathered' (first described prior to 1959)
2.BE.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)
E : With Pb (Bi)
2.16.8.1

2 : SULFIDES
16 : Miscellaneous
3.6.10

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

Physical Properties of BetekhtiniteHide

Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Black
Hardness:
3 - 3½ on Mohs scale
Cleavage:
Distinct/Good
In three directions
Density:
5.96 - 6.05 g/cm3 (Measured)    6.14 g/cm3 (Calculated)

Optical Data of BetekhtiniteHide

Type:
Anisotropic
Anisotropism:
Strong, distinctly colored
Reflectivity:
400nmR1=34.0%R2= 35.4%
420nmR1=33.7%R2= 34.6%
440nmR1=33.4%R2= 33.8%
460nmR1=33.2%R2= 33.3%
480nmR1=32.9%R2= 33.0%
500nmR1=32.8%R2= 32.6%
520nmR1=32.6%R2= 32.3%
540nmR1=32.5%R2= 32.1%
560nmR1=32.3%R2= 32.0%
580nmR1=32.0%R2= 31.8%
600nmR1=31.8%R2= 31.8%
620nmR1=31.6%R2= 31.9%
640nmR1=31.4%R2= 32.2%
660nmR1=31.4%R2= 32.4%
680nmR1=31.2%R2= 32.4%
700nmR1=31.2%R2= 32.4%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 35.4%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Cream, stronger yellowish cream perpendicular to elongation

Chemical Properties of BetekhtiniteHide

Formula:
(Cu,Fe)21Pb2S15
Idealised Formula:
Cu10(Fe,Pb)S6
Common Impurities:
Ag

Crystallography of BetekhtiniteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Immm
Setting:
Immm
Cell Parameters:
a = 14.67 Å, b = 22.80 Å, c = 3.85 Å
Ratio:
a:b:c = 0.643 : 1 : 0.169
Unit Cell V:
1,287.73 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Needles to 2 cm in length.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.08 (80)
2.93 (90)
2.35 (60)
2.01 (60)
1.946 (70)
1.832 (100)
1.766 (70)
Comments:
Dzhezkazgan, Kazakstan.

Type Occurrence of BetekhtiniteHide

Place of Conservation of Type Material:
Mineral Museum, Humboldt University, Berlin, Germany
Geological Setting of Type Material:
Veins cutting shale.
Associated Minerals at Type Locality:

Synonyms of BetekhtiniteHide

Other Language Names for BetekhtiniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz13 photos of Betekhtinite associated with Quartz on mindat.org.
Chalcopyrite12 photos of Betekhtinite associated with Chalcopyrite on mindat.org.
Chalcocite12 photos of Betekhtinite associated with Chalcocite on mindat.org.
Bornite12 photos of Betekhtinite associated with Bornite on mindat.org.
Calcite8 photos of Betekhtinite associated with Calcite on mindat.org.
Pyrite6 photos of Betekhtinite associated with Pyrite on mindat.org.
Mawsonite2 photos of Betekhtinite associated with Mawsonite on mindat.org.
Galena1 photo of Betekhtinite associated with Galena on mindat.org.
Stromeyerite1 photo of Betekhtinite associated with Stromeyerite on mindat.org.
Djurleite1 photo of Betekhtinite associated with Djurleite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.BE.10Furutobeite(Cu,Ag)6PbS4Mon.
2.BE.15RhodplumsiteRh3Pb2S2Trig.
2.BE.15ShanditeNi3Pb2S2Trig.
2.BE.20ParkeriteNi3Bi2S2Mon.
2.BE.25Schlemaite(Cu,◻)6(Pb,Bi)Se4Mon. 2/m : P21/m
2.BE.30PašavaitePd3Pb2Te2Orth. mmm (2/m 2/m 2/m) : Pmmn

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.6.1Herzenbergite(Sn,Pb)SnS2Orth.
3.6.2Ottemannitebeta Sn2S3
3.6.3BerndtiteSnS2Trig. 3m (3 2/m) : P3m1
3.6.4StistaiteSnSbTrig. 3m (3 2/m) : R3m
3.6.5GalenaPbSIso. m3m (4/m 3 2/m) : Fm3m
3.6.6ClausthalitePbSeIso. m3m (4/m 3 2/m) : Fm3m
3.6.7AltaitePbTeIso. m3m (4/m 3 2/m) : Fm3m
3.6.8Furutobeite(Cu,Ag)6PbS4Mon.
3.6.9AschamalmitePb6Bi2S9Mon. 2/m
3.6.11Shadlunite(Pb,Cd)(Fe,Cu)8S8

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 BetekhtiniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
A. Schüller & E. Wohlmann (1955): Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken.- Geologie 4, 535-555.
American Mineralogist: 41: 371.
Dornberger-Schiff, K. von & E. Höhne (1959): Die Kristallstruktur des Betechtinit Pb2(Cu,Fe)21S15. Acta Crystallographica 12, 646–651 (in German).
Schüller, A. (1960): Zur Kenntnis des Betechtinit, (Cu, Fe)10PbS>6. Neues Jahrbuch für Mineralogie, Monatshefte, 121–131 (in German).

Internet Links for BetekhtiniteHide

Localities for BetekhtiniteHide

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.
Argentina
 
  • Chubut
    • Gastre Department
Brodtkorb (2002): Las Especies Minerales de la Republica Argentina; DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); BRODTKORB, M.K. de y PAAR, W.. Angelaite in the paragenesis of Los Manantiales district, Chubut, Argentina: a new mineral species. Rev. Asoc. Geol. Argent. [online]. 2004, vol.59, n.4, pp. 787-78
  • Santa Cruz
    • Deseado department
      • Deseado massif
        • Tres Cerros
Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
Australia
 
  • Tasmania
    • West Coast municipality
      • Queenstown district
Bottrill, R. S. (2000). A Mineralogical Field Guide for the Western Tasmania Minerals and Museums Tour.
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Bottrill RS & Baker, WE (in prep) Catalogue of Minerals of Tasmania. Mineral Resources Tasmania
Austria
 
  • Salzburg
    • Abtenau
      • Webing
A. Strasser: Die Minerale Salzburgs (1989)
    • Saalfelden
      • Leogang
        • Hütten
          • Schwarzleograben
            • Schwarzleo District
Paar, W. H. & Chen, T. T. (1985): Zur Mineralogie von Cu-Ni(Co)-Pb-Ag-Hg-Erzen im Revier Schwarzleo bei Leogang, Salzburg, Österreich. Mitt. österr. geol. Ges. 78, 125-148.; A. Strasser: Die Minerale Salzburgs (1989)
Bulgaria
 
  • Burgas Oblast (Bourgas Oblast)
    • Malko Târnovo Obshtina
      • Malko Târnovo ore field
        • Byrdtseto Mo-Cu deposit (Byrdtse; Burdceto)
BONEV, I. (1986). Betekhtinite and Joseite-B from Propada deposit, Malko Tirnovo-Bourgas District. In Doklady Bolgarskoj akademii nauk (Vol. 39, No. 1, pp. 59-62). Izdatel'stvo na B lgarska akademiâ na naukite.
  • Pazardzhik Oblast (Pazardjik Oblast)
    • Panagyurishte (Panagurishte) Obshtina
      • Elshitsa
Bogdanov, K., Tsonev, D., and Kuzmanov, K. (1997): Mineralium Deposita 32, 219-229.
      • Levski
Kouzmanov, K. (2004). Galena-bearing myrmekitic intergrowths from the Radka deposit, Bulgaria: Origin and mechanisms of formation. Geochemistry, Mineralogy and Petrology, 41, 17-30.
  • Vratsa Oblast (Vratza)
    • Balkan Mts (Stara Planina)
ATANASSOVA, S. THE PRESERVED MINERAL DIVERSITY OF SEDMOCHISLENITSI DEPOSIT, VRATSA ORE REGION.
China
 
  • Guangdong Province
    • Meizhou Prefecture
      • Mei Co.
Binghui Chen, Rui Guo, and Shouyun Yu (1994): Geology and Prospecting 30(3), 20-25; Jinyan Yao (1994): Geology and Prospecting 30(4), 5-11
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Příbram
        • Vrančice
[Lapis 1995, 12, p.13-24]
  • Moravia (Mähren; Maehren)
    • Moravia-Silesia Region
      • Bruntál
FOJT B., ŠKODA R., DOLNÍČEK Z., Furutobeite and betekhtinite from the ore deposit Horní Benešov in the Nízký Jeseník Mts. - Czech republic Acta Musei Moraviae, Scientiae geologicae, Brno, Moravské zemské muzeum, 2010, 1211-8796.
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Kipushi
Kampunzu, A.B., Cailteux, J.L.H., Kamona, A.F., Intiomale, M.M., and Melcher, F. (2009): Ore Geology Reviews 35, 263-297.; Chabu, M. (1995). The Geochemistry Of Phlogopite And Chlorite From The Kipushi Zn-Pb-Cu Deposit, Shaba, Zaire., Canadian Mineralogist 33, 547-558.
Germany
 
  • Hesse
    • Odenwald
      • Mühltal
        • Nieder-Ramstadt
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Waschenbach
Nickel, E., and Fettel, M. (1985): Odenwald. Sammlung geologischer Führer Vol. 65, 2nd ed., Bornträger (Berlin, Stuttgart), 231 pp.
  • Saxony-Anhalt
    • Mansfeld Basin
No reference listed
        • Volkstedt
A. Schüller & E. Wohlmann (1955): Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken.- Geologie 4, 535-555
      • Siersleben
        • Hübitz
A. Schüller & E. Wohlmann (1955): Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken.- Geologie 4, 535-555
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Tinos Island
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.
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
No reference listed
        • Plaka
          • Plaka Mines
No reference listed
Japan
 
  • Honshu Island
    • Tohoku Region
      • Yamagata Prefecture
Handbook of Mineralogy
Kazakhstan
 
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    • Chu-Sarysu basin
      • Dzhezkazgan (Zhezqazghan)
[MinRec 23:279, 23:280, 21:492]; Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
Pavlova, Z. N.; Nuralin, N. N.; Bakarasov, E. V.; Bakarasov, V. E. (1997): Mineralogy of the Shaman-​Aibat (Kazakhstan) cupriferous sandstone-​type copper ore deposit. Geologiya Kazakhstana 1997 (1), 65-74 (in Russian).
  • Pavlodar Province (Pavlodar Oblysy; Pavlodarskaya Oblast')
Baibatsha, A., Dyussembayeva, K., & Kassenova, A. (2015). Microparagenetic Associations of Gold in Ore-Forming Minerals from Deposits of Different Geological and Industrial Types of Kazakhstan. In Proceedings of the 11th International Congress for Applied Mineralogy (ICAM) (pp. 1-8). Springer International Publishing.
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
[MinRec 8:Tsumeb 20]
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Legnica
      • Lubin District
        • Lubin
Harańczyk C. 1972: Mineralizacja kruszcowa dolnocechsztyńskich osadów euksenicznych monokliny przedsudeckiej. Arch. Miner. T.30, z. 1-2
      • Polkowice District
Banaś M., Kucha H., Salamon W. 1976: Występowanie niektórych metali towarzyszących w złożach rud miedzi na monoklinie przedsudeckiej. Prz. Geol. nr 5
Russia
 
  • Northern Caucasus Region
    • Karachaevo-Cherkesskaya Republic (Karachai-Cherkess Republic; Karachay-Cherkessia Republic)
http://maurice.strahlen.org/kavkaz/kavkaz.htm; Kachalovskaya, V. M. & Khromova, M. M. (1970): Betekhtinite, hessite, and stromeyerite in bornite ores of the Urup deposit. Geologiya Rudnykh Mestorozhdenii 12, 93-97 (in Russian).
Sweden
 
  • Värmland
    • Filipstad
Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Switzerland
 
  • Glarus
    • Murg Valley
      • Mürtschenalp
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 76
Turkey
 
  • Black Sea Region
    • Giresun Province
Handbook of Mineralogy
UK
 
Tindle, A.G. (2008) Minerals of Britian and Ireland
    • Sutherland county (Sutherlandshire)
Gallagher, M.J. et al. (1974) Trans. Inst. Mining Metall. 83, B83. [M.A. 75-930.]; Livingstone, A. and Macpherson, H.G. (1983) Fifth supplementary list of British minerals (Scottish). Mineralogical Magazine, vol. 47, n° 342, p. 99-105.; Handbook of Mineralogy.
Ukraine
 
  • Zhytomyr Oblast' (Zhitomir Oblast')
Nechaev S & Pastukhov V (2001) Links between the Proterozoic anorthosite-rapakivigranite plutons and ore-forming events in the Ukrainian Shield (ores of titanium, uranium, rare metal and gold). in Abstracts – GEODE field workshop 8-12th July 2001 on ilmenite deposits in the Rogaland anorthosite province, S. Norway.
USA
 
  • Colorado
    • La Plata Co.
      • La Plata District (California District)
Minerals of Colorado (1997) Eckels, E. B.
  • Montana
    • Silver Bow Co.
      • Butte District (Summit Valley District)
        • Butte
Mineralogical Record 33:1
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
Mineralogical Record 33:1
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
  • New Mexico
    • Sierra Co.
      • Chloride District
        • Chloride
Northrup, Minerals of New Mexico, 3rd Rev. Ed., 1996; P. Hlava & Irving (1985) 6th annual New Mexico Mineral Symposium; Foord, E. E., & Shawe, D. R. (1989). The Pb-Bi-Ag-Cu-(Hg) Chemistry Of Galena And Some Associated Sulfosalts: A Reviewand Some New Data From Colorado, California And Pennsylvania. Canadian Mineralogist, 27, 363-382.
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