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Bellidoite

A valid IMA mineral species
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02618540017271921395860.jpg
Bellidoite

Mine dump, Uranium Mine No. 16, Háje, Příbram District, Central Bohemian Region, Czech Republic
02618540017271921395860.jpg
Bellidoite

Mine dump, Uranium Mine No. 16, Háje, Příbram District, Central Bohemian Region, Czech Republic
02618540017271921395860.jpg
Bellidoite

Mine dump, Uranium Mine No. 16, Háje, Příbram District, Central Bohemian Region, Czech Republic
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About BellidoiteHide

Formula:
Cu2Se
Colour:
Creamy-white
Lustre:
Metallic
Hardness:
1½ - 2
Specific Gravity:
7.01 (Calculated)
Crystal System:
Tetragonal
Name:
Named in honor of Eleodoro Bellido Bravo (1918-1982), Director of Servicio de Geología y Minería, Peru.
Dimorph of:
Berzelianite
This page provides mineralogical data about Bellidoite.


Unique IdentifiersHide

Mindat ID:
611
Long-form identifier:
mindat:1:1:611:6

Similar NamesHide

BillietiteA valid IMA mineral species - grandfatheredBa(UO2)6O4(OH)6 · 4-8H2O

IMA Classification of BellidoiteHide

Classification of BellidoiteHide

Strunz-mindat (2026):
2.BA.20

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
Dana 8th ed.:
2.4.9.1

2 : SULFIDES
4 : AmBnXp, with (m+n):p = 2:1
Hey's CIM Ref.:
3.1.10

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference for Standard
BldIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
BelThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of BellidoiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Creamy-white
Hardness:
1½ - 2 on Mohs scale
Hardness:
VHN100=33 - 41 kg/mm2 - Vickers
Density:
7.01 g/cm3 (Calculated)

Optical Data of BellidoiteHide

Anisotropism:
Very weak in colors of gray
Colour in reflected light:
Creamy white
Pleochroism:
Weak

Chemistry of BellidoiteHide

Mindat Formula:
Cu2Se
Element Weights:
Element% weight
Cu61.680 %
Se38.320 %

Calculated from ideal end-member formula.
Cu
Se
Elements listed:
Cu, Se - search for minerals with similar chemistry

Crystallography of BellidoiteHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
P42/n
Cell Parameters:
a = 11.52 Å, c = 11.74 Å
Ratio:
a:c = 1 : 1.019
Unit Cell V:
1,558.02 ų (Calculated from Unit Cell)
Z:
32
Morphology:
Anhedral grains to 0.3mm

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.80 Å(30)
3.50 Å(10)
3.38 Å(80)
2.32 Å(10)
2.25 Å(50)
2.06 Å(100)
1.763 Å(70)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of BellidoiteHide

Type Locality:
ⓘ Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
General Appearance of Type Material:
Anhedral grains 0.1 - 0.3 mm in diameter in calcite
Geological Setting of Type Material:
Low to moderate temperature hydrothermal deposits
Associated Minerals at Type Locality:
BerzelianiteCalciteDigeniteDjurleiteKlockmannite
SideriteUmangite
Reference:
De Montreuil, Luis A. (1975) Bellidoite; a new copper selenide. Economic Geology, 70 (2) 384-387 doi:10.2113/gsecongeo.70.2.384

Synonyms of BellidoiteHide

Other Language Names for BellidoiteHide

German:Bellidoit
Simplified Chinese:β硒銅礦
Spanish:Bellidoita

Related Minerals - Strunz-mindat GroupingHide

2.BA.MakotoiteAg12(Cu3Au)S8Trig. 3m(32/m) : R3c
2.BA.AlburniteAg8GeTe2S4Iso.
2.BA.DzierżanowskiteCaCu2S2Trig. 3m(32/m) : P3m1
2.BA.XuwenyuaniteAg9Fe3+Te2S4Iso. 43m : F43m
2.BA.'Orileyite'(Fe,Cu)2As
2.BA.JuxingiteBi6Cu+138Cu2+2Fe3+30S125Iso. 43m : F43m
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu58S32Tric. 1 : P1
2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.10DigeniteCu9S5Trig. 3m(32/m) : R3m
2.BA.10AniliteCu7S4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.15BorniteCu5FeS4Orth. mmm(2/m2/m2/m) : Pbca
2.BA.20BerzelianiteCu2-xSe (x ≈ 0.12)Iso. m3m(4/m32/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet. 42m : P421m
2.BA.30RickarditeCu7Te5Orth. mmm(2/m2/m2/m) : Pmmn
2.BA.30WeissiteCu2-xTeHex. 6/mmm(6/m2/m2/m) : P6/mmm
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.35SpryiteAg8(As3+0.5As5+0.5)S6Orth. mm2 : Pna21
2.BA.40d'UM2003-13-S:AgAuCu'Ag6AuCu2S5
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm(2/m2/m2/m)
2.BA.42HoneaiteAu3TlTe2 Orth. mmm(2/m2/m2/m) : Pbcm
2.BA.45JalpaiteAg3CuS2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45KuriliteAg8Te3SeTrig. 3 : R3
2.BA.47Spiridonovite(Cu1-xAgx)2TeTrig. 3m(32/m) : P3c1
2.BA.50WuyanzhiiteCu2STet. 422 : P43212
2.BA.50EucairiteAgCuSeOrth.
2.BA.52'Argentite'Ag2SIso.
2.BA.55NaumanniteAg2SeOrth. 222 : P212121
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40Iso. m3m(4/m32/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex. 6 : P6
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 43m : F43m
2.BA.70CanfielditeAg8SnS6Orth. mm2 : Pna21
2.BA.75FischesseriteAg3AuSe2Iso. 432 : I4132
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m(32/m) : R3c
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4Hex. 622 : P6322
2.BA.75PetrovskaiteAuAgSMon.
2.BA.75PetziteAg3AuTe2Iso. 432 : I4132
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

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.

Internet Links for BellidoiteHide

References for BellidoiteHide

Localities for BellidoiteHide

Showing 10 localities.

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.
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Locality ListHide

- 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.
Argentina
 
  • La Rioja Province
    • General Lamadrid Department
Márquez-Zavalía et al. (2021)
      • Villa Castelli
        • Sierra de Cacho
Brodtkorb (2002) +2 other references
Australia
 
  • South Australia
    • Pastoral Unincorporated Area
      • Olympic Dam
Owen et al. (2018)
Bolivia
 
  • Potosí
    • Antonio Quijarro Province
      • Porco Municipality
Schnorrer-Köhler et al. (1990) +1 other reference
China
 
  • Hubei
    • Huangshi
      • Daye Co.
        • Edong Mining District
Zhao et al. (1999)
      • Yangxin Co.
        • Fengshan ore field
Zhao et al. (1999)
Czech Republic
 
  • Central Bohemian Region
Škácha et al. (2017)
      • Háje
        • Uranium Mine No. 16
- (Pavel Škácha coll.)
  • Vysočina Region
    • Žďár nad Sázavou District
      • Rožná
        • Rožná deposit
Strübel
De Montreuil (1975) +1 other reference
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