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Belogubite

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Formula:
CuZn(SO4)2·10H2O
Colour:
Blue
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.27
Crystal System:
Triclinic
Name:
Named in honor of Elena Vitalievna Belogub (born 1963), 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.
A CuZn-ordered member of the chalcanthite group having M1 cationic site preferentially occupied by Cu whereas M2 site is dominated by Zn with subordinate substitution of Fe2+ and Mg.

A Cu- and Zn-ordered counterpart of chalcanthite.


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Classification of BelogubiteHide

Approved
Approval Year:
2018
First Published:
2019

Physical Properties of BelogubiteHide

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
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
Noticeable, r < v.
Pleochroism:
Non-pleochroic

Chemical Properties of BelogubiteHide

Formula:
CuZn(SO4)2·10H2O
IMA Formula:
CuZn(SO4)2 · 10H2O

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

Powder Diffraction Data:
d-spacingIntensity
5.73Å(35)
5.576Å(47)
4.873Å(100)
3.907Å(31)
3.719Å(45)
3.229Å(27)
2.915Å(25)
2.684Å(26)

Type Occurrence of BelogubiteHide

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:
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

Relationship of Belogubite to other SpeciesHide

Other Members of this group:
ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
JôkokuiteMnSO4 · 5H2OTric.
PentahydriteMgSO4 · 5H2OTric.
SiderotilFeSO4 · 5H2OTric.

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.

References for BelogubiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kasatkin, A.V., Britvin, S.N., Škoda, R., Agakhanov, A.A., Belakovskiy, D.I. and Chukanov, N.V. (2018) Belogubite, IMA 2018-005. CNMNC Newsletter No 43, June 2018, page 782; Mineralogical Magazine: 82: 779-785.
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, 148(3), 30-43.

Internet Links for BelogubiteHide

Localities for BelogubiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Orenburg Oblast
    • Gay
Kasatkin, A.V., Britvin, S.N., Škoda, R., Agakhanov, A.A., Belakovskiy, D.I. and Chukanov, N.V. (2018) Belogubite, IMA 2018-005. CNMNC Newsletter No 43, June 2018, page 782; Mineralogical Magazine: 82: 779-785; 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
 
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