SUPPORT US. Covid-19 has significantly affected our fundraising. Please help!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography


This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About BetekhtiniteHide

Anatolii G. Betekhtin
3 - 3½
Specific Gravity:
5.96 - 6.05
Crystal System:
Named in honor of Anatolii Georgievich Betekhtin (Анатолий Георгиевич Бетехтин) (24 February (8 March) 1897, Strigino, Vologda province, Russian Empire - 20 April 1962, Moscow, USSR), mineralogist and economic geologist.
This page provides mineralogical data about Betekhtinite.

Classification of BetekhtiniteHide

Approved, 'Grandfathered' (first described prior to 1959)
First published:

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)

16 : Miscellaneous

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

3 - 3½ on Mohs scale
In three directions
5.96 - 6.05 g/cm3 (Measured)    6.14 g/cm3 (Calculated)

Optical Data of BetekhtiniteHide

Strong, distinctly colored
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

Idealised Formula:
Common Impurities:

Crystallography of BetekhtiniteHide

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

Crystal StructureHide

Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
CIF File    Best | x | y | z | a | b | c
Stop | Start
Console Off | On | Grey | Yellow
IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009232BetekhtiniteDornberger-Schiff K, Hohne E (1959) Die kristallstruktur des betechtinit Pb2(Cu,Fe)21S15 Acta Crystallographica 12 646-65119590293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
3.08 Å(80)
2.93 Å(90)
2.35 Å(60)
2.01 Å(60)
1.946 Å(70)
1.832 Å(100)
1.766 Å(70)
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:
Schüller, A., Wohlmann, E. (1955) Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken. Geologie: 4: 535-555.

Synonyms of BetekhtiniteHide

Other Language Names for BetekhtiniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
13 photos of Betekhtinite associated with QuartzSiO2
12 photos of Betekhtinite associated with ChalcopyriteCuFeS2
12 photos of Betekhtinite associated with ChalcociteCu2S
12 photos of Betekhtinite associated with BorniteCu5FeS4
8 photos of Betekhtinite associated with CalciteCaCO3
6 photos of Betekhtinite associated with PyriteFeS2
2 photos of Betekhtinite associated with MawsoniteCu6Fe2SnS8
1 photo of Betekhtinite associated with GalenaPbS
1 photo of Betekhtinite associated with StromeyeriteAgCuS
1 photo of Betekhtinite associated with DjurleiteCu31S16

Related Minerals - Nickel-Strunz GroupingHide

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

3.6.1HerzenbergiteSnSOrth. mmm (2/m 2/m 2/m)
3.6.2OttemanniteSn2S3Orth. mmm (2/m 2/m 2/m)
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
3.6.9AschamalmitePb6Bi2S9Mon. 2/m
3.6.11Shadlunite(Pb,Cd)(Fe,Cu)8S8Iso. m3m (4/m 3 2/m) : Fm3m

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)
Schüller, A., Wohlmann, E. (1955) Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken. Geologie: 4: 535-555.
Fleischer, M. (1956) New mineral names. American Mineralogist: 41: 370-372.
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)
Ramdohr, Paul (1969) The Ore Minerals and their Intergrowths, Pergamon Press, pp. 1174.

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.
  • Chubut Province
    • 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 Province
    • 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.
  • Tasmania
    • West Coast municipality
      • Queenstown district
Bottrill, R. S. (2000). A Mineralogical Field Guide for the Western Tasmania Minerals and Museums Tour.
Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.
Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.
  • Salzburg
    • Hallein District
      • Abtenau
        • Webing
A. Strasser: Die Minerale Salzburgs (1989)
    • Zell am See District
      • Leogang
        • Hütten
          • Schwarzleograben
            • Schwarzleo mining 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)
  • Burgas Province
    • Malko Tarnovo Municipality
Cook, N. J., Ciobanu, C. L., & Bogdanov, K. (2002) Trace mineralogy of the Upper Cretaceous banatitic Magmatic and metallogenetic Belt, SE Europe. In 11th Quadrennial IAGOD symposium–Geocongress 2002, Windhoek, Namibia, July 2002. CD Volume of extended abstracts.
        • 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 Province
    • Panagyurishte Municipality
      • 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.; Cook, N. J., Ciobanu, C. L., & Bogdanov, K. (2002) Trace mineralogy of the Upper Cretaceous banatitic Magmatic and metallogenetic Belt, SE Europe. In 11th Quadrennial IAGOD symposium–Geocongress 2002, Windhoek, Namibia, July 2002. CD Volume of extended abstracts.
  • Sofia Province
    • Chelopech Municipality
Cook, N. J., Ciobanu, C. L., & Bogdanov, K. (2002) Trace mineralogy of the Upper Cretaceous banatitic Magmatic and metallogenetic Belt, SE Europe. In 11th Quadrennial IAGOD symposium–Geocongress 2002, Windhoek, Namibia, July 2002. CD Volume of extended abstracts.
  • Vratsa Province
    • Balkan Mts (Stara Planina)
ATANASSOVA, S. THE PRESERVED MINERAL DIVERSITY OF SEDMOCHISLENITSI DEPOSIT, VRATSA ORE REGION.; Svetla Atanassova, The Preserved Mineral Diversity of Sedmochislenitsi Deposit, Vratsa Ore Region. pp 207-216
  • Guangdong
    • Meizhou
      • 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
  • Heilongjiang
    • Heihe
      • Aihui District
Zhai, D., & Liu, J. (2014). Gold-telluride-sulfide association in the Sandaowanzi epithermal Au-Ag-Te deposit, NE China: implications for phase equilibrium and physicochemical conditions. Mineralogy and Petrology, 108(6), 853-871.; Zhai, D., Liu, J., Ripley, E. M., & Wang, J. (2015). Geochronological and He–Ar–S isotopic constraints on the origin of the Sandaowanzi gold-telluride deposit, northeastern China. Lithos, 212, 338-352.
Czech Republic
  • Central Bohemian Region
    • Příbram District
      • Vrančice
[Lapis 1995, 12, p.13-24]
  • Moravian-Silesian Region
    • Bruntál District
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.
DR Congo
  • Haut-Katanga
    • Kipushi
Chabu, M. (1995) The Geochemistry Of Phlogopite And Chlorite From The Kipushi Zn-Pb-Cu Deposit, Shaba, Zaire. Canadian Mineralogist, 33, 547-558.; Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).; Kampunzu, A.B., Cailteux, J.L.H., Kamona, A.F., Intiomale, M.M., Melcher, F. (2009) Sediment-hosted Zn–Pb–Cu deposits in the Central African Copperbelt. Ore Geology Reviews, 35, 263-297.
  • Bourgogne-Franche-Comté
    • Saône-et-Loire
      • Charolles
        • Chalmoux
Delfour, J. (2007) Le gisement de pyrite de Chizeuil (Saône-et-Loire). Le Règne Minéral Hors série XIII: 31-35.
  • Hesse
    • Darmstadt
      • Darmstadt-Dieburg
        • 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-Südharz
No reference listed
        • Volkstedt
A. Schüller & E. Wohlmann (1955): Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken.- Geologie 4, 535-555
      • Gerbstedt
        • Siersleben
          • Hübitz
A. Schüller & E. Wohlmann (1955): Betechtinit, ein neues Blei-Kupfer-Sulfid aus dem Mansfelder Rücken.- Geologie 4, 535-555
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion Mining District
          • Agios Konstantinos (Kamariza)
No reference listed
          • Plaka
            • Plaka Mines
No reference listed
  • South Aegean
    • Tinos
      • 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.
  • Sardinia
    • South Sardinia Province
      • Iglesias
        • Punta della Torre
Fiori, S.(1998) Breve segnalazione di alcuni minerali rari nella miniera di S. Giovanni (CA). Il Cercapietre, 24, 13-14; Fiori, S., Gorga, R., Pucci, R., and Dessì, M. (1999) I minerali della miniera di S. Giovanni (Sardegna, Italia). Il Cercapietre, 25, 19-25.
  • Akita Prefecture
    • Kosaka
Matsukuma collection (1966), via Doug Leighton and Rolf Luetcke collections.
  • Yamagata Prefecture
    • Nanyō City
Handbook of Mineralogy
  • Karaganda Region
[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
    • Zhanaarka
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 Region
    • Bayanaul
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.
  • Oshikoto Region
    • Tsumeb
[MinRec 8:Tsumeb 20]
  • Otjozondjupa Region
    • Grootfontein
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
  • Lower Silesian Voivodeship
    • Polkowice County
      • Gmina Polkowice
Harańczyk C. 1972: Mineralizacja kruszcowa dolnocechsztyńskich osadów euksenicznych monokliny przedsudeckiej. Arch. Miner. T.30, z. 1-2
Banaś M., Kucha H., Salamon W. 1976: Występowanie niektórych metali towarzyszących w złożach rud miedzi na monoklinie przedsudeckiej. Prz. Geol. nr 5
  • Beja
    • Castro Verde
      • Santa Bárbara de Padrões
Gaspar, O.C. (2002): Mineralogy and sulfide mineral chemistry of the Neves–Corvo Ores, Portugal: insight into their genesis. Canadian Mineralogist 40, 611-636.
  • Karachay-Cherkessia; 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).
  • Orenburg Oblast
    • Gay
Vikentyev, I. V., & Vikentyeva, O. V. (2015). Precious metal minerals and “invisible” gold in sulfide ores of Urals. In Mater. of ХII Int. Sci. Conf.“Advanced Technologies, Equipment and Analytical Systems for Materials and Nano-Materials (Vol. 3, pp. 33-41).; Vinokurov, S. F., Vikent’ev, I. V., & Sychkova, V. A. (2010). Determining ionic gold species in massive sulfide ores. Geochemistry International, 48(5), 510-516.
South Korea
  • North Gyeongsang Province
    • Bonghwa County
Imai, N., Lee, H. K., Sakai, T., & Park, N. Y. (1982). Bournonite from the Janggun mine, Republic of Korea-Contributions to the knowledge of ore-forming minerals in the Janggun lead-zinc-silver ores (1). The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 77(9), 310-321.
  • Värmland County
    • Filipstad
      • Långban Ore District
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.
  • Glarus
    • Glarus Nord
      • Mürtschenalp
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 76
  • Giresun Province
Handbook of Mineralogy
  • Kahramanmaraş Province
Uysal, I. (2008) Platinum-Group Minerals (PGM) and other solid inclusions in the Elbistan-Kahramanmaraş mantle-hosted ophiolitic chromitites, South-eastern Turkey: their petrogenetic significance. Turkish Journal of Earth Sciences, 17(4), 729-740.
Tindle, A.G. (2008) Minerals of Britian and Ireland
    • Highland
      • North, West and Central Sutherland
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.
  • Zhytomyr 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.
  • Colorado
    • La Plata Co.
      • La Plata Mining District (California Mining District)
Minerals of Colorado (1997) Eckel, E. B.
  • Montana
    • Butte-Silver Bow
      • Butte Mining District (Summit Valley Mining District)
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.
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © and the Hudson Institute of Mineralogy 1993-2021, except where stated. Most political location boundaries are © OpenStreetMap contributors. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us - Report a bug/vulnerability Current server date and time: January 27, 2021 00:21:13 Page generated: January 17, 2021 09:04:28
Go to top of page