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crystallochemical formula: CuNa6-2xCax(SO4)4
Crystal System:
after prof. Tomas Georgievich Petrov (b. 1931), Ph.D., for "his contributions to mineralogy and crystallography and (...) development of industrial technology of fabrication of jewelry malachite"
Chemically similar to saranchinaite and puninite. Interesting, i.a., in terms of NaCu separation / site occupancy.

In the structure there are, i.a., isolated [Cu2(SO4)8]12- clusters.

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Classification of PetroviteHide


Physical Properties of PetroviteHide


Optical Data of PetroviteHide

Biaxial (+)
RI values:
nα = 1.498(3) nβ = 1.500 nγ = 1.516(3)
Measured: 20° (10)
Max Birefringence:
δ = 0.018
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of PetroviteHide


crystallochemical formula: CuNa6-2xCax(SO4)4
IMA Formula:
Emperical Formula (of original material):

Crystallography of PetroviteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 12.615(2) Å, b = 9.026(1) Å, c = 12.717(2) Å
β = 108.311(3)°
a:b:c = 1.398 : 1 : 1.409
Unit Cell V:
1,374.68 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
11.59 Å(61)
7.27 Å(38)
4.54 Å(33)
3.88 Å(75)
3.68 Å(52)
3.11 Å(36)
2.623 Å(100)
1.931 Å(35)

Type Occurrence of PetroviteHide

General Appearance of Type Material:
tabular crystals, up to 0.2 m, often bearing gaseous inclusions, that are intergrown into globular aggregates
Place of Conservation of Type Material:
collections of the Mineralogical Museum of Saint-Petersburg State University, University Emb. 7/9, St. Petersburg 199034, Russia, catalogue number 1/19696
Geological Setting of Type Material:
volcanic fumaroles

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 PetroviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shablinskii, A.P., Vergasova, L.P., Filatov, S.K., Moskaleva, S.V. (2019): Petrovite, IMA 2018-149a. CNMNC Newsletter No. 52; Mineralogical Magazine: 83;
Filatov, S.K., Shablinskii, A.P., Krivovichev, S.V., Vergasova, L.P., Moskaleva, S.V. (2020): Petrovite, Na10CaCu2(SO4)8, a new fumarolic sulfate from the Great Tolbachik fissure eruption, Kamchatka Peninsula, Russia. Mineralogical Magazine: 84 (in press)

Internet Links for PetroviteHide

Localities for PetroviteHide

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)
  • Kamchatka Krai
    • Tolbachik volcano
      • Great Fissure eruption (Main Fracture)
        • Northern Breakthrough (North Breach)
Shablinskii, A.P., Vergasova, L.P., Filatov, S.K., Moskaleva, S.V. (2019): Petrovite, IMA 2018-149a. CNMNC Newsletter No. 52; Mineralogical Magazine: 83;;
矿物 and/or 产地  
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