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Belogubite

A valid IMA mineral species
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00251570017272278908811.jpg
Belogubite

Gayskoe Zn-Cu deposit, Gaysky District, Orenburg Oblast, Russia
00251570017272278908811.jpg
Belogubite

Gayskoe Zn-Cu deposit, Gaysky District, Orenburg Oblast, Russia
00251570017272278908811.jpg
Belogubite

Gayskoe Zn-Cu deposit, Gaysky District, Orenburg Oblast, Russia
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About BelogubiteHide

Formula:
CuZn(SO4)2 · 10H2O
Colour:
Blue
Lustre:
Vitreous
Hardness:
2½
Specific Gravity:
2.27
Crystal System:
Triclinic
Name:
Named in honor of Elena Vitalievna Belogub (Елена Витальевна Белогуб) (28 November 1963, Kharkov, Ukraine, USSR), major researcher of the Institute of Mineralogy of the Urals Branch of Russian Academy of Sciences, Miass, Chelyabinsk Oblast, Russia, a well-known expert in the mineralogy of volcanic-hosted massive sulfide copper deposits of South Urals. She has co-authored the description of 5 new mineral species (as of 2021).
A CuZn-ordered member of the chalcanthite group having the M1 cationic site preferentially occupied by Cu whereas the M2 site is dominated by Zn with subordinate substitution of Fe2+ and Mg.

A Cu- and Zn-ordered counterpart of chalcanthite.


Unique IdentifiersHide

Mindat ID:
52915
Long-form identifier:
mindat:1:1:52915:8

IMA Classification of BelogubiteHide

Classification of BelogubiteHide

Strunz-mindat (2026):
7.CB.12

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations

Mineral SymbolsHide

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

SymbolSourceReference for Standard
BgbIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of BelogubiteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Blue
Comment:
The color varies from pale equant to light blue.
Streak:
White
Hardness:
2½ on Mohs scale
Comment:
ca. 2½
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
Not observed.
Density:
2.27 g/cm3 (Measured)    

Optical Data of BelogubiteHide

Type:
Biaxial (-)
RI values:
nα = 1.512(2) nβ = 1.525(2) nγ = 1.531(2)
2V:
Measured: 70° (10), Calculated: 67.9°
Max. Birefringence:
δ = 0.019
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
Low (negative)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
Noticeable, r < v.
Pleochroism:
Non-pleochroic

Chemistry of BelogubiteHide

Mindat Formula:
CuZn(SO4)2 · 10H2O
Element Weights:
Element% weight
O57.460 %
Zn13.045 %
S12.795 %
Cu12.679 %
H4.022 %

Calculated from ideal end-member formula.
O
Zn
S
Cu
H
Elements listed:
Cu, H, O, S, Zn - search for minerals with similar chemistry

Crystallography of BelogubiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 6.2548(1) Å, b = 10.6112(2) Å, c = 6.0439(1) Å
α = 82.587(1)°, β = 109.625(1)°, γ = 104.848(1)°
Ratio:
a:b:c = 0.589 : 1 : 0.57
Unit Cell V:
364.81 ų
Z:
1

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of BelogubiteHide

Type Locality:
ⓘ Gayskoe Zn-Cu deposit (Gayskoye; Gaiskoye), Gaysky District, Orenburg Oblast, Russia
General Appearance of Type Material:
Aggregates of blue grains up to 1 mm in size.
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum, Russian
Academy of Sciences, Leninsky Prospekt 18-2, 119071 Moscow, Russia, registration number 5130/1
Empirical Formula of Type Material:
(Cu0.55Zn0.45)Σ1.00(Zn0.64Fe0.22Mg0.14Mn0.01)Σ1.01S1.99O7.98·10.02H2O
Chemical Analysis of Type Material:
MgO1.12 %
MnO0.10 %
FeO3.15 %
CuO8.98 %
ZnO18.02 %
SO332.49 %
H2O36.75 %
Total:100.61 %
Geological Setting of Type Material:
In the supergene zone of a sulfide Zn-Cu deposit
Associated Minerals at Type Locality:
Dietrichite
Reference:
Kasatkin A.V., Britvin S.N., Chukanov N.V., Škoda R., Agakhanov A.A, Belakovskiy D.I ( 2019) Belogubite, a new mineral of the chalcanthite group from the Gayskoe deposit, South Urals, Russia. Zapiski RMO. Proceedings of the Russian Mineralogical Society. 148 (3): 30-43

Synonyms of BelogubiteHide

Other Language Names for BelogubiteHide

German:Belogubit

Relationship of Belogubite to other SpeciesHide

Member of:
Chalcanthite Group
Other Members of Chalcanthite Group:
ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
JôkokuiteMnSO4 · 5H2OTric. 1 : P1
PentahydriteMgSO4 · 5H2OTric. 1 : P1
SiderotilFeSO4 · 5H2OTric.

Related Minerals - Strunz-mindat GroupingHide

7.CB.SarvodaiteAl2(SO4)3 · 5H2OMon. 2/m : P21/c
7.CB.02VoudourisiteCdSO4 · H2OMon. 2/m : P21/m
7.CB.05SzmikiteMnSO4 · H2OMon. 2/m : B2/b
7.CB.05SzomolnokiteFeSO4 · H2OMon. 2/m : B2/b
7.CB.05CobaltkieseriteCoSO4 · H2OMon. 2/m : B2/b
7.CB.05DwornikiteNi(SO4) · H2OMon. 2/m : B2/b
7.CB.05KieseriteMgSO4 · H2OMon. 2/m : B2/b
7.CB.05Poitevinite(Cu,Fe)SO4 · H2OTric. 1 : P1
7.CB.05GunningiteZnSO4 · H2OMon. 2/m : B2/b
7.CB.07SanderiteMgSO4 · 2H2OOrth. 222 : P212121
7.CB.10BonattiteCuSO4 · 3H2OMon. m : Bb
7.CB.15DrobeciteCdSO4 · 4H2OMon. 2/m : P21/m
7.CB.15AplowiteCoSO4 · 4H2OMon. 2/m : P21/c
7.CB.15CranswickiteMgSO4 · 4H2OMon. m : Bb
7.CB.15RozeniteFeSO4 · 4H2OMon. 2/m : P21/c
7.CB.15StarkeyiteMgSO4 · 4H2OMon. 2/m : P21/c
7.CB.15IlesiteMn2+(SO4) · 4H2OMon. 2/m
7.CB.15BoyleiteZnSO4 · 4H2OMon. 2/m : P21/c
7.CB.20SiderotilFeSO4 · 5H2OTric.
7.CB.20JôkokuiteMnSO4 · 5H2OTric. 1 : P1
7.CB.20PentahydriteMgSO4 · 5H2OTric. 1 : P1
7.CB.20ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
7.CB.25ChvaleticeiteMn2+(H2O)6(SO4)Mon. 2/m : B2/b
7.CB.25NickelhexahydriteNi2+(H2O)6(SO4)Mon. 2/m : B2/b
7.CB.25HexahydriteMg(H2O)6(SO4)Mon. 2/m : P2/c
7.CB.25BianchiteZn(H2O)6(SO4)Mon. 2/m : P2/c
7.CB.25MoorhouseiteCo2+(H2O)6(SO4)Mon. 2/m : B2/b
7.CB.25FerrohexahydriteFe2+(H2O)6(SO4)Mon. 2/m : B2/b
7.CB.30RetgersiteNiSO4 · 6H2OTet. 422 : P41212
7.CB.35ZincmelanteriteZn(H2O)6(SO4) · H2OMon. 2/m : P21/c
7.CB.35MelanteriteFe2+(H2O)6(SO4) · H2OMon. 2/m : P21/c
7.CB.35Alpersite(Mg,Cu2+)(H2O)6(SO4) · H2OMon. 2/m : P21/c
7.CB.35BieberiteCo2+(H2O)6(SO4) · H2OMon. 2/m : P2/c
7.CB.35BoothiteCu2+(H2O)6(SO4) · H2OMon. 2/m : P21/c
7.CB.35MallarditeMn2+(H2O)6(SO4) · H2OMon. 2/m : P2/c
7.CB.40EpsomiteMgSO4 · 7H2OOrth. 222 : P212121
7.CB.40GoslariteZnSO4 · 7H2OOrth. 222 : P212121
7.CB.40MorenositeNiSO4 · 7H2OOrth. 222 : P212121
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2OOrth.
7.CB.45AlunogenAl2(SO4)3 · 17H2OTric. 1 : P1
7.CB.50AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2OTrig. 3m(32/m) : P31c
7.CB.50LazaridisiteCd3(SO4)3 · 8H2OMon. 2/m : B2/b
7.CB.52PararaisaiteCuMg[Te6+O4(OH)2] · 6H2OMon. 2/m : P21/c
7.CB.55ParacoquimbiteFe4(SO4)6(H2O)12 · 6H2OTrig. 3 : R3
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm(2/m2/m2/m) : Pnma
7.CB.55RaisaiteCuMg[Te6+O4(OH)2] · 6H2OMon. 2/m : B2/b
7.CB.55CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2OTrig. 3m(32/m) : P31c
7.CB.57'Caichengyunite'Fe2+3Al2(SO4)6 · 30H2OMon.
7.CB.60KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
7.CB.65QuenstedtiteFe2(SO4)3 · 11H2OTric. 1 : P1
7.CB.70LauseniteFe2(SO4)3 · 5H2OMon. 2/m : P21/m
7.CB.75RömeriteFe2+Fe3+2(SO4)4 · 14H2OTric. 1 : P1
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2OTric. 1 : P1
7.CB.80RansomiteCuFe2(SO4)4 · 6H2OMon. 2/m : P21/c
7.CB.85DietrichiteZnAl2(SO4)4 · 22H2OMon. 2/m : P21/c
7.CB.85HalotrichiteFe2+Al2(SO4)4 · 22H2OMon. 2 : P2
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2OMon. 2/m : P21/c
7.CB.85RedingtoniteFe2+Cr3+2(SO4)4 · 22H2OMon. 2
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2OMon. 2/m : P21/c
7.CB.85BíliniteFe2+Fe3+2(SO4)4 · 22H2OMon. 2/m : P21/c
7.CB.85WupatkiiteCo2+Al2(SO4)4 · 22H2OMon. 2/m : P21/c
7.CB.90MeridianiiteMgSO4 · 11H2OTric. 1 : P1

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 BelogubiteHide

References for BelogubiteHide

Localities for BelogubiteHide

Showing 1 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.
Russia (TL)
 
  • Orenburg Oblast
    • Gaysky District
Kasatkin A.V. et al. ( 2019) +3 other references
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