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Bukovite

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Formula:
Cu4Tl2Se4
System:
Tetragonal
Colour:
Greyish-brown
Lustre:
Metallic
Hardness:
2
Member of:
Name:
Named by Z. Johan, and M. Kvaček in 1971 for the Bukov Mine, the type locality.

Classification of Bukovite

Approved
First Published:
1971
2.BD.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)
D : With Hg, Tl
2.5.5.2

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2
3.5.17

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

Physical Properties of Bukovite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Greyish-brown
Hardness (Mohs):
2
Hardness (Vickers):
VHN20=64 kg/mm2
Cleavage:
Distinct/Good
Good on {001}
imperfect on {100}
Density:
7.40 g/cm3 (Calculated)

Optical Data of Bukovite

Type:
Anisotropic
Anisotropism:
Medium
Pleochroism:
Weak
Comments:
Creamy gray to gray

Chemical Properties of Bukovite

IMA Formula:
Cu4Tl2Se4
Elements listed in formula:

Crystallography of Bukovite

Crystal System:
Tetragonal
Cell Parameters:
a = 3.976(5) Å, c = 13.70(2) Å
Ratio:
a:c = 1 : 3.446
Unit Cell Volume:
V 216.58 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Minute crystals to 2mm

Occurrences of Bukovite

Type Occurrence of Bukovite

Place of Conservation of Type Material:
National School of Mines, Paris, France.
Charles University, Prague, Czech Republic.
Geological Setting of Type Material:
In selenium-bearing veins of hydrothermal origin.
Associated Minerals at Type Locality:

Relationship of Bukovite to other Species

Member of:
Other Members of Group:
MurunskiteK2(Cu,Fe)4S4
ThalcusiteTl2Cu3FeS4
2.BD.UM2004-33-S:AgCuHgSe(Ag,Cu)8Hg3(S,Se)7
2.BD.05ImiteriteAg2HgS2
2.BD.10GortdrumiteCu18FeHg6S16
2.BD.15BalkaniteAg5Cu9HgS8
2.BD.15Danielsite(Cu,Ag)14HgS8
2.BD.20DonharrisiteNi8Hg3S9
2.BD.25CarliniteTl2S
2.BD.30MurunskiteK2(Cu,Fe)4S4
2.BD.30Thalcusite(Cu,Fe)4Tl2S4
2.BD.35Rohaite(Tl,Pb,K)2Cu8.7Sb2S4
2.BD.40Chalcothallite(Cu,Fe,Ag)6.3(Tl,K)2SbS4
2.BD.45SabatieriteCu6TlSe4
2.BD.50CrookesiteCu7TlSe4
2.BD.55BrodtkorbiteCu2HgSe2
3.5.1CinnabarHgS
3.5.2HypercinnabarHgS
3.5.3MetacinnabarHgS
3.5.4ImiteriteAg2HgS2
3.5.5TiemanniteHgSe
3.5.6BalkaniteAg5Cu9HgS8
3.5.7Danielsite(Cu,Ag)14HgS8
3.5.8ColoradoiteHgTe
3.5.9GortdrumiteCu18FeHg6S16
3.5.10Polhemusite(Zn,Hg)S
3.5.11CarliniteTl2S
3.5.12CrookesiteCu7TlSe4
3.5.13SabatieriteCu6TlSe4
3.5.14PicotpauliteTlFe2S3
3.5.15RaguiniteTlFeS2
3.5.16Thalcusite(Cu,Fe)4Tl2S4
3.5.18GalliteCuGaS2
3.5.19RoquesiteCuInS2
3.5.20InditeFeIn2S4

Other Names for Bukovite

Name in Other Languages:
German:Bukovit
Simplified Chinese:硒铊铁铜矿
Spanish:Bukovita
Traditional Chinese:硒鉈鐵銅礦

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 Bukovite

Reference List:
Johan, Z., Kvaček, M. (1971) La bukovite, Cu3+xTl2FeSe4-x, une nouvelle espèce minérale. Bulletin de la Société Française de Minéralogie et de Cristallographie: 94: 529-533.

Fleischer, M. (1972) New mineral names. American Mineralogist: 57: 1909-1914.

Zemann, J. (1974) Structure type of bukovite. Anzeiger. Österreichische Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse: 110: 126–129.

Makovicky, E., Johan, Z., Karup-Møller, S. (1980) New data on bukovite, thalcusite, chalcothallite and rohaite. Neues Jahrbuch für Mineralogie, Abhandlungen: 138: 122-146.

Dolivo-Dobrovolsky, V.V. (2004) Bukovite packing as a representation of homologous row of tetragonal spherical packings. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 133(5): 63-69.

Internet Links for Bukovite

mindat.org URL:
https://www.mindat.org/min-797.html
Please feel free to link to this page.

Localities for Bukovite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Argentina
 
  • La Rioja
    • General Lamadrid department
      • Villa Castelli
        • Sierra de Cacho
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); de Brodtkorb, M. K., & Crosta, S. (2010). Reseña de la ubicación geográfica de los seleniuros de la Sierra de Umango, provincia de La Rioja. Revista de la Asociación Geológica Argentina, 67(2), 272-279.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Strübel, Zimmer: "Lexikon der Minerale", 2nd Ed., 1991; Econ Geol (1997) 92:468-484
    • Hradec Králové Region
      • Krkonoše Mtn (Riesengebirge)
Kopecký, S., Pauliš, P., Škoda, R. (2010): Nový nález selenidů na výskytu uranových rud Černý Důl v Krkonoších (Česká republika) [New occurrence of selenides from the Černý Důl uranium deposit in the Giant Mountains (Czech Republic)]. Bulletin mineralogicko-petrologického oddělení 18 (2), 43-49.
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Nové Město na Moravě
Kvaček, M.: Selenides from the deposits of Western Moravia, Czechoslovakia – Part II. Acta Universitatis Carolinae – Geologica, 1979, vol. 23, nos. 1-2, s. 15-38. ; Econ Geol (1997) 92:468-484
Kvaček, M.: Selenides from the deposits of Western Moravia, Czechoslovakia – Part II. Acta Universitatis Carolinae – Geologica, 1979, vol. 23, nos. 1-2, s. 15-38.
      • Žďár nad Sázavou
        • Rožná deposit
Bull.Soc.fr.Min.Crist.(1971) 94, 529-533; Econ Geol (1997) 92:468-484; American Mineralogist 73:933
France
 
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Sauxillanges
        • Chaméane
P. Picot, Z. Johan : "Atlas of Ore Minerals", BRGM, Elsevier, 1982; Econ Geol (1997) 92:468-484
Germany
 
  • Lower Saxony
    • Harz
      • Lerbach
Wittern: "Mineralfundorte in Deutschland", 2001
  • Saxony
    • Erzgebirge
The Canadian Mineralogist, V 42, 2004, pp. 1719-1732.
Sweden
 
  • Östergötland
    • Valdemarsvik
Sandström, F. (2007): Skrikerum. Litiofilen 24 (1), 22-38
Mineral and/or Locality  
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