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{{Short description|Telluride mineral}}
{{Infobox mineral
{{Infobox mineral
| name = Bilibinskite
| name = Bilibinskite
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| caption =
| caption =
| formula = Au<sub>3</sub>Cu<sub>2</sub>PbTe<sub>2</sub>
| formula = Au<sub>3</sub>Cu<sub>2</sub>PbTe<sub>2</sub>
| IMAsymbol=Bb<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3 |pages=291–320|doi=10.1180/mgm.2021.43 |bibcode=2021MinM...85..291W |s2cid=235729616 |doi-access=free}}</ref>
| molweight = 429.89 g/mol
| strunz = 2.BA.80
| molweight = 1,180.39 g/mol
| strunz = 02.BA.55
| system = [[Cubic crystal system|Cubic]]
| system = [[Cubic crystal system|Cubic]]
| class = [[Sulfide]]
| class = [[Sulfide]]
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| habit = [[Crystal habit|Massive]]
| habit = [[Crystal habit|Massive]]
| twinning =
| twinning =
| cleavage =
| cleavage = None
| fracture =
| fracture =
| tenacity =
| tenacity =
| mohs = 4.5 - 5
| mohs = 4.5 – 5
| luster = Sub-metallic
| luster = Sub-metallic
| polish =
| polish =
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| streak = golden brown
| streak = golden brown
| gravity =
| gravity =
| density = 12.7
| density = 14.27
| melt =
| melt =
| fusibility =
| fusibility =
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| solubility =
| solubility =
| diaphaneity = opaque
| diaphaneity = opaque
| other = [[International Mineralogical Association|IMA]] Status Approved (1978)
| other =
| references = <ref>[https://www.fmm.ru/images/e/e0/NDM_2011_46_Spiridonov2_eng.pdf Bilibinskite - Russian Foundation for Basic Researches]</ref><ref>[http://rruff.info/doclib/hom/bilibinskite.pdf Handbook of Mineralogy]</ref>
| references = <ref>[https://www.fmm.ru/images/e/e0/NDM_2011_46_Spiridonov2_eng.pdf Bilibinskite – Russian Foundation for Basic Researches]</ref><ref>[http://rruff.info/doclib/hom/bilibinskite.pdf Handbook of Mineralogy]</ref>
}}
}}
'''Bilibinskite''' is a [[gold|Au]] - [[copper|Cu]] - [[lead|Pb]] [[telluride (chemistry)|telluride]]. It is is a rare mineral that was named after [[Soviet]] geologist [[Yuri Bilibin]] (1901 - 1952), who researched the geology of gold deposits during the time of the [[USSR]].
'''Bilibinskite''' is an [[gold|Au]] – [[copper|Cu]] – [[lead|Pb]] [[telluride (chemistry)|telluride]]. It is a rare mineral that was named after [[Soviet]] geologist [[Yuri Alexandrovich Bilibin|Yuri Bilibin]] (1901–1952), who researched the geology of gold deposits during the time of the [[USSR]].<ref name="rev">''[[:ru:Спиридонов, Эрнст Максович|Spiridonov E.]], [[Marianna Bezsmertnaya|Bezsmertnaya M.]], [[Tatiana Chvileva|Chvileva T.]], [[Vladimir Bezsmertny|Bezsmertny V.]]'' Bilibinskite, Au<sub>3</sub>Cu<sub>2</sub>PbTe<sub>2</sub>, a new mineral gold-telluride deposits. [[International Geology Review|Intern. Geol. Rev.]] 1979. Vol. 21. P. 1411—1415.</ref>

==Properties==
==Properties==
Bilibinskite is a [[metal]]lic [[mineral]] with a color that ranges from opaque bronze-colored to light-brown or brownish-pink. It has a sub-metallic luster, a brown stripe color and has no fission. Bilibinskite crystallizes in the [[Cubic crystal system|cubic system]]. It has a high relative [[density]] of 14.27. The mineral has a [[hardness]] of 4.5 to 5 and it is not radioactive.
Bilibinskite is a [[metal]]lic [[mineral]] with a color that ranges from opaque bronze-colored to light-brown or brownish-pink. It has a sub-metallic luster, a brown streak color and has no fission. Bilibinskite crystallizes in the [[Cubic crystal system|cubic system]]. It has a high relative [[density]] of 14.27. The mineral has a [[hardness]] of 4.5 to 5 and it is not radioactive.

==Occurrence==
==Occurrence==
Bilibinskite is a very rare mineral that formed in the weathering zones of [[gold telluride]]s. The [[Type locality (geology)|type locality]] is the [[Kamchatka Peninsula]] in the [[Russian Far East]], where the mineral was discovered in 1978. It has not been found also in [[hypogene]] ores of [[Kazakhstan]], [[Xinjiang]] and [[Tuva]].<ref>I.Y. Nekrasov, ''Geochemistry, Mineralogy and Genesis of Gold Deposits'', table 20.</ref>
Bilibinskite is a very rare mineral that formed in the weathering zones of [[gold telluride]]s. The [[Type locality (geology)|type locality]] is the [[Kamchatka Peninsula]] ([[:ru:Агинское золоторудное месторождение|Aginskoe gold deposit]]) in the [[Russian Far East]], where the mineral was discovered in 1978.<ref name="rev"/> It has also been found in [[hypogene]] ores of [[Kazakhstan]], [[Xinjiang]] and [[Tuva]].<ref>I.Y. Nekrasov, ''Geochemistry, Mineralogy and Genesis of Gold Deposits'', table 20.</ref>


==See also==
==See also==
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[[Category:Gold minerals]]
[[Category:Gold minerals]]
[[Category:Lead minerals]]
[[Category:Lead minerals]]
[[Category:Sulfide minerals]]
[[Category:Cubic minerals]]
[[Category:Telluride minerals]]
[[Category:Telluride minerals]]
[[Category:Minerals described in 1978]]
[[nl:Bilibinskiet]]

Latest revision as of 14:05, 29 January 2024

Bilibinskite
General
CategoryTelluride mineral
Formula
(repeating unit)		Au3Cu2PbTe2
IMA symbolBb[1]
Strunz classification02.BA.55
Crystal systemCubic
Crystal classSulfide
Identification
Formula mass1,180.39 g/mol
ColorBronze colored, light brown or brownish-pink
Crystal habitMassive
CleavageNone
Mohs scale hardness4.5 – 5
LusterSub-metallic
Streakgolden brown
Diaphaneityopaque
Density14.27
Optical propertiesAnisotropic
Other characteristicsIMA Status Approved (1978)
References[2][3]

Bilibinskite is an Au – Cu – Pb telluride. It is a rare mineral that was named after Soviet geologist Yuri Bilibin (1901–1952), who researched the geology of gold deposits during the time of the USSR.[4]

Properties

[edit]

Bilibinskite is a metallic mineral with a color that ranges from opaque bronze-colored to light-brown or brownish-pink. It has a sub-metallic luster, a brown streak color and has no fission. Bilibinskite crystallizes in the cubic system. It has a high relative density of 14.27. The mineral has a hardness of 4.5 to 5 and it is not radioactive.

Occurrence

[edit]

Bilibinskite is a very rare mineral that formed in the weathering zones of gold tellurides. The type locality is the Kamchatka Peninsula (Aginskoe gold deposit) in the Russian Far East, where the mineral was discovered in 1978.[4] It has also been found in hypogene ores of Kazakhstan, Xinjiang and Tuva.[5]

See also

[edit]

References

[edit]
  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Bilibinskite – Russian Foundation for Basic Researches
  3. ^ Handbook of Mineralogy
  4. ^ a b Spiridonov E., Bezsmertnaya M., Chvileva T., Bezsmertny V. Bilibinskite, Au3Cu2PbTe2, a new mineral gold-telluride deposits. Intern. Geol. Rev. 1979. Vol. 21. P. 1411—1415.
  5. ^ I.Y. Nekrasov, Geochemistry, Mineralogy and Genesis of Gold Deposits, table 20.
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