Pushcharovskite
A valid IMA mineral species
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About Pushcharovskite
Formula:
K0.6Cu18[AsO2(OH)2]4[AsO3OH]10(AsO4)(OH)9.6 · 18.6H2O
Note: Although the type material was described as having very minor essential K, synthetic material and K-free finds from other localities (e.g. Lavrion) show that K is not essential.
Colour:
Colorless to light green
Lustre:
Vitreous
Specific Gravity:
3.35
Crystal System:
Triclinic
Name:
Named after Prof. Dmitry Yurievich Pushcharovsky (b. 1944), crystallographer, Moscow State University, Russia.
This page provides mineralogical data about Pushcharovskite.
Unique Identifiers
Mindat ID:
7258
Long-form identifier:
mindat:1:1:7258:4
IMA Classification of Pushcharovskite
Approved
IMA Formula:
K0.6Cu2+18[As5+O2(OH)2]4[As5+O3OH]10(As5+O4)(OH)9.6·18.6H2O
Approval year:
1995
First published:
1997
Classification of Pushcharovskite
8.CA.55
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
A : With small and large/medium cations
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
A : With small and large/medium cations
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 for Standard |
|---|---|---|
| Pus | 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 Pushcharovskite
Vitreous
Transparency:
Transparent
Colour:
Colorless to light green
Streak:
White
Tenacity:
Fragile
Cleavage:
Perfect
Perfect {010} and good {001}
Perfect {010} and good {001}
Fracture:
Fibrous
Density:
3.35(2) g/cm3 (Measured) 3.34(1) g/cm3 (Calculated)
Optical Data of Pushcharovskite
Type:
Biaxial (+)
RI values:
nα = 1.602(2) nβ = 1.642(2) nγ = 1.725(5)
2V:
Measured: 70° (3), Calculated: 73°
Max. Birefringence:
δ = 0.123
Based on recorded range of RI values above.
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.
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:
Moderate
Dispersion:
r > v medium
Pleochroism:
Non-pleochroic
Chemistry of Pushcharovskite
Mindat Formula:
K0.6Cu18[AsO2(OH)2]4[AsO3OH]10(AsO4)(OH)9.6 · 18.6H2O
Note: Although the type material was described as having very minor essential K, synthetic material and K-free finds from other localities (e.g. Lavrion) show that K is not essential.
Note: Although the type material was described as having very minor essential K, synthetic material and K-free finds from other localities (e.g. Lavrion) show that K is not essential.
Element Weights:
Crystallography of Pushcharovskite
Crystal System:
Triclinic
Cell Parameters:
a = 6.435(2) Å, b = 11.257(4) Å, c = 18.662(9) Å
α = 74.90(6)°, β = 86.48(7)°, γ = 83.59(4)°
α = 74.90(6)°, β = 86.48(7)°, γ = 83.59(4)°
Ratio:
a:b:c = 0.572 : 1 : 1.658
Unit Cell V:
1,296.28 ų (Calculated from Unit Cell)
Z:
12
Morphology:
Type material: individual crystals are elongate [100] to 0.5 mm, flattened on (010) to 0.04 mm width, showing {010}.
Twinning:
Polysynthetically twinned on (010)
Comment:
Point Group: 1 or 1; Space Group: P1 or P1.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006814 | Pushcharovskite | Pushcharovsky D Y, Teat S J, Zaitsev V N, Zubkova N V, Sarp H (2000) Crystal structure of pushcharovskite European Journal of Mineralogy 12 95-104 | 2000 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 18.3 Å | (25) |
| 11.00 Å | (100) |
| 3.171 Å | (30) |
| 2.952 Å | (50) |
| 2.920 Å | (60) |
| 2.816 Å | (50) |
| 2.492 Å | (25) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Pushcharovskite
General Appearance of Type Material:
Colorless to light green tufts and acicular, radial fibrous aggregates to 1 mm in diameter
Place of Conservation of Type Material:
Department of Mineralogy, Natural History Museum of Geneva, Switzerland
Associated Minerals at Type Locality:
Synonyms of Pushcharovskite
Other Language Names for Pushcharovskite
Common Associates
Associations Based on Photo Data:
| 29 photos of Pushcharovskite associated with Yvonite | Cu(HAsO4) · 2H2O |
| 13 photos of Pushcharovskite associated with Geminite | Cu2+(AsO3OH) · H2O |
| 7 photos of Pushcharovskite associated with Native Bismuth | Bi |
| 2 photos of Pushcharovskite associated with Mahnertite | NaCu3(AsO4)2Cl · 5H2O |
| 1 photo of Pushcharovskite associated with Arsenopyrite | FeAsS |
Related Minerals - Strunz-mindat Grouping
| 8.CA. | Apexite | NaMg(PO4) · 9H2O |
| 8.CA. | Brandãoite | BeAl2(PO4)2(OH)2(H2O)5 |
| 8.CA. | Davidlloydite | Zn3(AsO4)2 · 4H2O |
| 8.CA.05 | Parafransoletite | Ca3Be2(PO4)2(PO3OH)2 · 4H2O |
| 8.CA.05 | Fransoletite | Ca3Be2(PO4)2(PO3OH)2 · 4H2O |
| 8.CA.10 | Ehrleite | Ca4Be3Zn2(PO4)6 · 9H2O |
| 8.CA.15 | Faheyite | Be2Mn2+Fe3+2(PO4)4 · 6H2O |
| 8.CA.20 | Mccrillisite | NaCs(Be,Li)Zr2(PO4)4 · 1-2H2O |
| 8.CA.20 | Gainesite | Na(Na,K)(Be,Li)Zr2(PO4)4 · 1.5-2H2O |
| 8.CA.20 | Selwynite | NaK(Be,Al)Zr2(PO4)4 · 2H2O |
| 8.CA.25 | Pahasapaite | Li8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O |
| 8.CA.30 | Nizamoffite | Mn2+Zn2(PO4)2(H2O)4 |
| 8.CA.30 | Arsenohopeite | Zn3(AsO4)2 · 4H2O |
| 8.CA.30 | Hopeite | ZnZn2(PO4)2 · 4H2O |
| 8.CA.35 | Warikahnite | Zn3(AsO4)2 · 2H2O |
| 8.CA.40 | Phosphophyllite | Zn2Fe 2+(PO4)2 · 4H2O |
| 8.CA.42 | Steinmetzite | Zn2Fe3+(PO4)2(OH) · 3H2O |
| 8.CA.45 | Parascholzite | CaZn2(PO4)2 · 2H2O |
| 8.CA.45 | Scholzite | CaZn2(PO4)2 · 2H2O |
| 8.CA.50 | Keyite | Cu2+3Zn4Cd2(AsO4)6 · 2H2O |
| 8.CA.60 | Prosperite | Ca2Zn4(AsO4)4 · H2O |
| 8.CA.65 | Gengenbachite | KFe3+3(PO3OH)4[PO2(OH)2]2 · 6H2O |
| 8.CA.70 | Parahopeite | Zn3(PO4)2 · 4H2O |
| 8.CA.70 | Reaphookhillite | MgZn2(PO4)2 · 4H2O |
| 8.CA.75 | Stergiouite | CaZn2(AsO4)2 · 4H2O |
| 8.CA.80 | Limousinite | BaCa[Be4P4O16] · 6H2O |
| 8.CA.85 | Minjiangite | BaBe2(PO4)2 |
| 8.CA.85 | Wilancookite | (Ba5Li2◻)Ba6Be24P24O96 · 26H2O |
Radioactivity
Fluorescence of Pushcharovskite
Not fluorescent
Other Information
Notes:
Soluble in dilute HCl
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 Pushcharovskite
mindat.org URL:
https://www.mindat.org/min-7258.html
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Please feel free to link to this page.
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References for Pushcharovskite
Reference List:
Sarp, H., Sanz-Gysler, J. (1997) La pushcharovskite, Cu(AsO3,OH)·H2O un nouveau minéral de la mine de Cap Garonne, Var (France) Archives des Sciences, Genève, 50 (3) 177-186
Pushcharovsky, Dmitry Yu., Teat, Simon J., Zaitsev, Vyatcheslav N., Zubkova, Natalia V., Sarp, Halil (2000) Crystal structure of pushcharovskite. European Journal of Mineralogy, 12 (1) 95-104 doi:10.1127/0935-1221/2000/0012-0095
Plumhoff, Alexandra M., Plášil, Jakub, Dachs, Edgar, Benisek, Artur, Sejkora, Jiří, Števko, Martin, Rumsey, Mike S., Majzlan, Juraj (2020) Thermodynamic properties, crystal structure and phase relations of pushcharovskite [Cu(AsO3OH)(H2O).0.5H2O], geminite [Cu(AsO3OH)(H2O)] and liroconite [Cu2Al(AsO4)(OH)4.4H2O]. European Journal of Mineralogy, 32 (3). 285-304 doi:10.5194/ejm-32-285-2020
Localities for Pushcharovskite
Showing 5 localities.
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).
All localities listed without proper references should be considered as questionable.
Czech Republic | |
| M.E. Ciriotti - 04.06.2008 - Probed |
France | |
| Sarp et al. (1997) +1 other reference |
| Sarp et al. (1997) +1 other reference |
Greece | |
| Branko Rieck collection (self-collected, PXRD- and SEM-EDS-analysed by Petra Marschner in January 2020) +2 other references |
Morocco | |
| Georges FAVREAU collection & EDX ... |
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Salsigne mine, Salsigne, Carcassonne, Aude, Occitanie, France