Rossovskyite
A valid IMA mineral species
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About Rossovskyite
Russian geologist Lev Nikolaevich Rossovskii
Formula:
(Fe3+,Ta)(Nb,Ti)O4
Colour:
Black
Lustre:
Sub-Metallic, Dull
Hardness:
6
Specific Gravity:
6.06
Crystal System:
Monoclinic
Member of:
Name:
Named after Lev Nikolaevich Rossovskii (Лев Николаевич Россовский ) (1933-2009) - Russian geologist, specialist in geochemistry and mineralogy of granitic pegmatites.
Unique Identifiers
Mindat ID:
46437
Long-form identifier:
mindat:1:1:46437:4
IMA Classification of Rossovskyite
Classification of Rossovskyite
4.DB.30
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
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 |
|---|---|---|
| Rvy | 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 Rossovskyite
Sub-Metallic, Dull
Transparency:
Opaque
Colour:
Black
Streak:
Black
Hardness:
6 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.06 g/cm3 (Measured) 6.302 g/cm3 (Calculated)
Optical Data of Rossovskyite
Type:
Biaxial
Bireflectance:
Distinct
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 400nm | 17.66% | 20.27% |
| 420nm | 17.86% | 20.03% |
| 440nm | 17.62% | 19.52% |
| 460nm | 17.29% | 19.04% |
| 470nm | 17.07% | 18.87% |
| 480nm | 16.84% | 18.70% |
| 500nm | 16.60% | 18.41% |
| 520nm | 16.38% | 18.15% |
| 540nm | 16.24% | 17.93% |
| 546nm | 16.22% | 17.85% |
| 560nm | 16.17% | 17.69% |
| 580nm | 16.10% | 17.51% |
| 589nm | 16.05% | 17.44% |
| 600nm | 15.98% | 17.36% |
| 620nm | 15.88% | 17.23% |
| 640nm | 15.91% | 17.06% |
| 650nm | 15.88% | 17.01% |
| 660nm | 15.85% | 16.96% |
| 680nm | 15.82% | 16.88% |
| 700nm | 15.80% | 16.85% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 20.27%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Gray to dark gray
Pleochroism:
Visible
Comments:
Gray to light gray
Chemistry of Rossovskyite
Mindat Formula:
(Fe3+,Ta)(Nb,Ti)O4
Element Weights:
Crystallography of Rossovskyite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Setting:
P2/c
Cell Parameters:
a = 4.668(1) Å, b = 5.659(1) Å, c = 5.061(1) Å
β = 90.21(1)°
β = 90.21(1)°
Ratio:
a:b:c = 0.825 : 1 : 0.894
Unit Cell V:
133.7 ų
Z:
2
Morphology:
Flattened anhedral grains.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.604 Å | (49) |
| 2.938 Å | (100) |
| 2.534 Å | (23) |
| 2.476 Å | (29) |
| 2.336 Å | (27) |
| 1.718 Å | (26) |
| 1.698 Å | (31) |
| 1.440 Å | (21) |
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 34 : Complex granite pegmatites |
Type Occurrence of Rossovskyite
General Appearance of Type Material:
Flattened anhedral grains up to 6 × 6 × 2 cm.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineralogical Museum of the Tomsk State University, Tomsk, 634050 Russia, inventory number 20927.
Geological Setting of Type Material:
Granite pegmatite.
Associated Minerals at Type Locality:
Synonyms of Rossovskyite
Other Language Names for Rossovskyite
Dutch:Rossovskyiet
German:Rossovskyit
Relationship of Rossovskyite to other Species
Member of:
Other Members of Wolframite Group:
| Ferberite | FeWO4 | Mon. 2/m : P2/b |
| Heftetjernite | ScTaO4 | Mon. 2/m : P2/b |
| Huanzalaite | MgWO4 | Mon. 2/m : P2/b |
| Hübnerite | MnWO4 | Mon. 2/m : P2/b |
| 'Krasnoselskite' | CoWO4 | Mon. |
| Nioboheftetjernite | ScNbO4 | Mon. 2/m : P21/b |
| Sanmartinite | (Zn,Fe)WO4 | Mon. 2/m : P21/b |
Related Minerals - Strunz-mindat Grouping
| 4.DB. | Tianhongqiite | CrTiO3(OH) |
| 4.DB. | Nioboheftetjernite | ScNbO4 |
| 4.DB. | Huangshanite | Fe3+TaO4 |
| 4.DB. | Nioboixiolite-(Mn2+) | (Nb0.67Mn2+0.33)O2 |
| 4.DB. | Shakhdaraite-(Y) | ScYNb2O8 |
| 4.DB.05 | Varlamoffite | Sn1-xFexO2-x(OH) |
| 4.DB.05 | Argutite | GeO2 |
| 4.DB.05 | Cassiterite | SnO2 |
| 4.DB.05 | Rutile | TiO2 |
| 4.DB.05 | Plattnerite | PbO2 |
| 4.DB.05 | Tripuhyite | Fe3+Sb5+O4 |
| 4.DB.05 | Tugarinovite | MoO2 |
| 4.DB.05 | Pyrolusite | Mn4+O2 |
| 4.DB.10 | Byströmite | MgSb2O6 |
| 4.DB.10 | Ordoñezite | ZnSb2O6 |
| 4.DB.10 | Tredouxite | NiSb2O6 |
| 4.DB.10 | Tapiolite-(Mn) | Mn2+Ta2O6 |
| 4.DB.10 | Tapiolite-(Fe) | Fe2+Ta2O6 |
| 4.DB.15a | Paramontroseite | V4+O2 |
| 4.DB.15a | Ramsdellite | Mn4+O2 |
| 4.DB.15b | Akhtenskite | ε-Mn4+O2 |
| 4.DB.15c | Nsutite | (Mn4+,Mn2+)(O,OH)2 |
| 4.DB.20 | Scrutinyite | α-PbO2 |
| 4.DB.20 | Nioboixiolite-([]) | (Nb0.8◻0.2)4+O2 |
| 4.DB.25 | Ishikawaite | U4+Fe2+Nb2O8 |
| 4.DB.25 | Yttrocolumbite-(Y) | Y(U4+,Fe2+)Nb2O8 |
| 4.DB.25 | Calciosamarskite | (Ca,U4+)Fe3+(Nb,Ta,Ti)2O8 |
| 4.DB.25 | Samarskite-(Yb) | YbFe3+(Nb,Ta)2O8 |
| 4.DB.25 | Ixiolite-(Sc) | (Ta0.5Sc0.5)O2 |
| 4.DB.25 | Ixiolite-(Fe2+) | (Ta0.67Fe2+0.33)O2 |
| 4.DB.25 | Ixiolite-(Mn2+) | (Ta0.67Mn2+0.33)O2 |
| 4.DB.25 | Nioboixiolite-(Fe2+) | (Nb0.67Fe2+0.33)O2 |
| 4.DB.25 | Srilankite | TiO2 |
| 4.DB.25 | Samarskite-(Y) | YFe3+Nb2O8 |
| 4.DB.25 | Nioboixiolite-(Fe3+) | (Nb0.5Fe3+0.5)O2 |
| 4.DB.30 va | Wolframite Group | |
| 4.DB.30 | Huanzalaite | MgWO4 |
| 4.DB.30 | Heftetjernite | ScTaO4 |
| 4.DB.30 | Hübnerite | MnWO4 |
| 4.DB.30 | Sanmartinite | (Zn,Fe)WO4 |
| 4.DB.30 | Ferberite | FeWO4 |
| 4.DB.30 | 'Krasnoselskite' | CoWO4 |
| 4.DB.35 | Qitianlingite | (Fe,Mn)2(Nb,Ta)2WO10 |
| 4.DB.35 | Tantalaeschynite-(Ce) | Ce(TiTa)O6 |
| 4.DB.35 | Tantalite-(Mg) | (Mg,Fe2+)(Ta,Nb)2O6 |
| 4.DB.35 | Columbite-(Mn) | Mn2+Nb2O6 |
| 4.DB.35 | Tantalite-(Mn) | Mn2+Ta2O6 |
| 4.DB.35 | Columbite-(Fe) | Fe2+Nb2O6 |
| 4.DB.35 | Columbite-(Mg) | (Mg,Fe,Mn)(Nb,Ta)2O6 |
| 4.DB.35 | Tantalite-(Fe) | Fe2+Ta2O6 |
| 4.DB.40 | Ferrotitanowodginite | Fe2+TiTa2O8 |
| 4.DB.40 | 'Wolframowodginite' | Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8 |
| 4.DB.40 | Lithiotantite | LiTa3O8 |
| 4.DB.40 | Lithiowodginite | LiTa3O8 |
| 4.DB.40 | Titanowodginite | Mn2+TiTa2O8 |
| 4.DB.40 | Tantalowodginite | (Mn2+0.5◻0.5)TaTa2O8 |
| 4.DB.40 | Wodginite | Mn2+Sn4+Ta2O8 |
| 4.DB.40 | Ferrowodginite | Fe2+Sn4+Ta2O8 |
| 4.DB.45 | Tivanite | V3+TiO3(OH) |
| 4.DB.50 | Carmichaelite | (Ti,Cr,Fe)[O2-x(OH)x] |
| 4.DB.55 | Alumotantite | AlTaO4 |
| 4.DB.60 | Biehlite | ((Sb,As)O)2[MoO4] |
Other Information
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 Rossovskyite
mindat.org URL:
https://www.mindat.org/min-46437.html
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References for Rossovskyite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC), CNMNC Newsletter No. 22. Mineralogical Magazine, 78 (5) 1241-1248 doi:10.1180/minmag.2014.078.5.10
Konovalenko, Sergey I., Ananyev, Sergey A., Chukanov, Nikita V., Rastsvetaeva, Ramiza K., Aksenov, Sergey M., Baeva, Anna A., Gainov, Ramil R., Vagizov, Farit G., Lopatin, Oleg N., Nebera, Tatiana S. (2015) A new mineral species rossovskyite, (Fe3+,Ta)(Nb,Ti)O4: crystal chemistry and physical properties. Physics and Chemistry of Minerals, 42 (10) 825-833 doi:10.1007/s00269-015-0766-5
Localities for Rossovskyite
Showing 3 localities.
symbol to view information about a locality.
The 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.
China | |
| Duan et al. (2025) |
Madagascar | |
| Lykova et al. (2021) |
Mongolia (TL) | |
| Williams et al. (2014) +2 other references |
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Bulgut pegmatite, Bulgan District, Bayan-Ölgii Province, Mongolia