Bilibinskite
A valid IMA mineral species
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Formula:
PbCu2Au3Te2
Colour:
Light brown, rose brown
Lustre:
Sub-Metallic
Hardness:
4½
Specific Gravity:
12.7
Crystal System:
Isometric
Name:
Named in honor of Yurii Aleksandrovich Bilibin (Юрий Александрович Билибин) (6(19) May 1901, Rostov, Yaroslavl Province, Russian Empire - 4 May 1952, Leningrad, USSR), geologist at VSEGEI, Leningrad. He was a specialist in the geology of gold deposits.
This page provides mineralogical data about Bilibinskite.
Unique Identifiers
Mindat ID:
672
Long-form identifier:
mindat:1:1:672:7
GUID
(UUID V4):
(UUID V4):
7fe31466-147e-4ae8-a611-c707f825f7e3
IMA Classification of Bilibinskite
Approved
IMA Formula:
PbAu3Cu2Te2
First published:
1978
Classification of Bilibinskite
2.BA.80
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
2.1.6.1
2 : SULFIDES
1 : AmXp, with m:p > 3:1
2 : SULFIDES
1 : AmXp, with m:p > 3:1
3.3.12
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
3 : Sulphides etc. of Au
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
3 : Sulphides etc. of Au
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Bb | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Bilibinskite
Sub-Metallic
Transparency:
Opaque
Colour:
Light brown, rose brown
Streak:
Golden brown to brown
Hardness:
4½ on Mohs scale
Hardness:
VHN20=329 - 419 kg/mm2 - Vickers
Cleavage:
None Observed
Density:
12.7 g/cm3 (Measured) 14.44 g/cm3 (Calculated)
Optical Data of Bilibinskite
Anisotropism:
Strong from grey and dove-color to canary yellow and fiery-red
Bireflectance:
color changed from grey-violet to beige-cream and blood red that results in strong color bireflectance
Chemistry of Bilibinskite
Mindat Formula:
PbCu2Au3Te2
Elements listed:
Common Impurities:
Ag,Fe,Se
Crystallography of Bilibinskite
Crystal System:
Isometric
Cell Parameters:
a = 4.095 Å
Unit Cell V:
68.67 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Massive
Comment:
Pseudocell Optical data indicate symmetry equal or less than orthorhombic
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.06 Å | (40) |
3.00 Å | (10) |
2.37 Å | (100) |
2.05 Å | (70) |
1.448 Å | (60) |
1.232 Å | (80) |
1.184 Å | (20) |
Comments:
Aginsk gold telluride deposit, Kamchatka, Far Eastern Region, Russia.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Bilibinskite
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, 101/1–2; Institute of Mineralogy and Geochemistry of Rare Elements, Moscow; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 78385, vis207.
Geological Setting of Type Material:
Weathering zone of tellurium deposits.
Associated Minerals at Type Locality:
Reference:
Spiridonov, E.M., Bezsmertnaya, M.S., Chvileva, T.N., Bezsmertnyi, V.V. (1978) Bilibinskite, Au3Cu2PbTe2, a new mineral of gold-telluride deposits. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 107(3): 310-315.
Synonyms of Bilibinskite
Other Language Names for Bilibinskite
Related Minerals - Strunz-mindat Grouping
2.BA. | Orileyite | (Fe,Cu)2As |
2.BA. | Alburnite | Ag8GeTe2S4 |
2.BA. | Dzierżanowskite | CaCu2S2 |
2.BA. | Makotoite | Ag12(Cu3Au)S8 |
2.BA. | Xuwenyuanite | Ag9Fe3+Te2S4 |
2.BA.05 | Chalcocite | Cu2S |
2.BA.05 | Djurleite | Cu31S16 |
2.BA.05 | Geerite | Cu8S5 |
2.BA.05 | Roxbyite | Cu9S5 |
2.BA.10 | Anilite | Cu7S4 |
2.BA.10 | Digenite | Cu9S5 |
2.BA.15 | Bornite | Cu5FeS4 |
2.BA.20 | Bellidoite | Cu2Se |
2.BA.20 | Berzelianite | Cu2-xSe (x ≈ 0.12) |
2.BA.25 | Athabascaite | Cu5Se4 |
2.BA.25 | Umangite | Cu3Se2 |
2.BA.30 | Rickardite | Cu7Te5 |
2.BA.30 | Weissite | Cu2-xTe |
2.BA.35 | Acanthite | Ag2S |
2.BA.35 | Spryite | Ag8(As3+0.5As5+0.5)S6 |
2.BA.40 | Mckinstryite | Ag5-xCu3+xS4 |
2.BA.40 | Stromeyerite | AgCuS |
2.BA.40d | UM2003-13-S:AgAuCu | Ag6AuCu2S5 |
2.BA.42 | Honeaite | Au3TlTe2 |
2.BA.45 | Jalpaite | Ag3CuS2 |
2.BA.45 | Kurilite | Ag8Te3Se |
2.BA.45 | Selenojalpaite | Ag3CuSe2 |
2.BA.47 | Spiridonovite | (Cu1-xAgx)2Te |
2.BA.50 | Eucairite | AgCuSe |
2.BA.50 | Wuyanzhiite | Cu2S |
2.BA.52 | Argentite | Ag2S |
2.BA.55 | Aguilarite | Ag4SeS |
2.BA.55 | Naumannite | Ag2Se |
2.BA.60 | Cervelleite | Ag4TeS |
2.BA.60 | Hessite | Ag2Te |
2.BA.60 | Chenguodaite | Ag9Fe3+Te2S4 |
2.BA.65 | Henryite | (Cu,Ag)3+xTe2 , with x ~ 0.40 |
2.BA.65 | Stützite | Ag5-xTe3, x = 0.24-0.36 |
2.BA.70 | Argyrodite | Ag8GeS6 |
2.BA.70 | Canfieldite | Ag8SnS6 |
2.BA.70 | Putzite | (Cu4.7Ag3.3)GeS6 |
2.BA.75 | Fischesserite | Ag3AuSe2 |
2.BA.75 | Penzhinite | (Ag,Cu)4Au(S,Se)4 |
2.BA.75 | Petrovskaite | AuAgS |
2.BA.75 | Petzite | Ag3AuTe2 |
2.BA.75 | Uytenbogaardtite | Ag3AuS2 |
2.BA.80 | Bezsmertnovite | (Au,Ag)4Cu(Te,Pb) |
2.BA.80 | Bogdanovite | (Au,Te,Pb)3(Cu,Fe) |
Other Information
Electrical:
metallic conduction.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Bilibinskite
mindat.org URL:
https://www.mindat.org/min-672.html
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References for Bilibinskite
Localities for Bilibinskite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Armenia | |
| Spiridonov (2011) |
China | |
| Huiliang Xiao et al. (2002) +1 other reference |
Kazakhstan | |
| Pekov (1998) |
Spiridonov (2011) | |
| Spiridonov (2011) |
| Глоба В.А. Месторождение Манка - новый геолого-промышленный тип месторождений золота. // Изв. НАН РК et al. (403) +1 other reference |
| Spiridonov (2011) |
Spiridonov (2011) | |
North Macedonia | |
| Serafimovski et al. (2015) +1 other reference |
Russia | |
| Extra Lapis English No. 5 Gold +2 other references |
| Extra Lapis English No. 5 Gold +3 other references |
| Spiridonov (2011) |
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