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Chromium members of the pumpellyite group : Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite. / Lykova, Inna; Varlamov, Dmitry; Chukanov, Nikita; Pekov, Igor; Belakovskiy, Dmitry; Ivanov, Oleg; Zubkova, Natalia; Britvin, Sergey.

In: Minerals, Vol. 10, No. 5, 390, 01.05.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

Lykova, I, Varlamov, D, Chukanov, N, Pekov, I, Belakovskiy, D, Ivanov, O, Zubkova, N & Britvin, S 2020, 'Chromium members of the pumpellyite group: Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite', Minerals, vol. 10, no. 5, 390. https://doi.org/10.3390/min10050390

APA

Lykova, I., Varlamov, D., Chukanov, N., Pekov, I., Belakovskiy, D., Ivanov, O., Zubkova, N., & Britvin, S. (2020). Chromium members of the pumpellyite group: Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite. Minerals, 10(5), [390]. https://doi.org/10.3390/min10050390

Vancouver

Lykova I, Varlamov D, Chukanov N, Pekov I, Belakovskiy D, Ivanov O et al. Chromium members of the pumpellyite group: Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite. Minerals. 2020 May 1;10(5). 390. https://doi.org/10.3390/min10050390

Author

Lykova, Inna ; Varlamov, Dmitry ; Chukanov, Nikita ; Pekov, Igor ; Belakovskiy, Dmitry ; Ivanov, Oleg ; Zubkova, Natalia ; Britvin, Sergey. / Chromium members of the pumpellyite group : Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite. In: Minerals. 2020 ; Vol. 10, No. 5.

BibTeX

@article{708e230080cf4cab919261b63ba4ca90,
title = "Chromium members of the pumpellyite group: Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite",
abstract = "A new pumpellyite-group mineral shuiskite-(Cr), ideally Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, was found at the Rudnaya mine, Glavnoe Saranovskoe deposit, Middle Urals, Russia. It occurs on the walls of 0.5 to 1 cm thick fractures in chromitite, filled with calcite, Cr-bearing clinochlore, and uvarovite. Shuiskite-(Cr) forms long prismatic to acicular crystals up to 0.1 × 0.5 × 7 mm elongated along [010] and slightly flattened on [100]. The crystals are commonly combined into radial, sheaf-like aggregates. Most observed crystals are simple twins with a (001) composition plane. Shuiskite-(Cr) is greenish-black under daylight or purplish-black under incandescent light. It is optically biaxial (–), α = 1.757(5), β = 1.788(6), γ = 1.794(6), 2V (meas.) = 45(10)°, 2V (calc.) = 46° (589 nm). The Dcalc is 3.432 g/cm3. The IR spectrum is reported. The chemical composition (wt.%) is CaO 21.33, MgO 3.17, Al2O3 5.41, Cr2O3 28.50, TiO2 0.18, SiO2 33.86, H2O 5.82, total 98.27. The empirical formula calculated based on the sum of eight metal cations and Si atoms per formula unit is Ca2.02Mg0.42Cr3+ 1.99Al0.56Ti0.01Si3.00O10.57(OH)3.43. The simplified formula is Ca2(Cr,Mg)(Cr,Al)2[SiO4][Si2O6(OH,O)](OH,O)(OH)2. Shuiskite-(Cr) is monoclinic, C2/m, a = 19.2436(6), b = 5.9999(2), c = 8.8316(3) {\AA}, β = 97.833(3)°, V = 1010.17(6) {\AA}3, and Z = 4. The crystal structure, solved from single-crystal X-ray diffraction data (R = 0.0469), is based on a pair of chains of edge-sharing Cr-centred octahedra running along the b axis, linked together via the [SiO4] and [Si2O6(OH)] groups and Ca-centred polyhedra. The mineral species shuiskite, ideally Ca2MgCr2[SiO4][Si2O6(OH)](OH)3, was renamed to shuiskite-(Mg) by the decision of the IMA CNMNC. The shuiskite solid solution series with the general formula Ca2XCr2[SiO4][Si2O6(OH,O)](OH)2(OH,O), which includes shuiskite-(Mg) and shuiskite-(Cr) with X = Mg and Cr3+, respectively, appeared in the pumpellyite group.",
keywords = "Crystal structure, New mineral, Pumpellyite group, Russia, Saranovskoe chromite deposit, Shuiskite series, Shuiskite-Cr, Shuiskite-Mg, Urals",
author = "Inna Lykova and Dmitry Varlamov and Nikita Chukanov and Igor Pekov and Dmitry Belakovskiy and Oleg Ivanov and Natalia Zubkova and Sergey Britvin",
note = "Lykova, I.; Varlamov, D.; Chukanov, N.; Pekov, I.; Belakovskiy, D.; Ivanov, O.; Zubkova, N.; Britvin, S. Chromium Members of the Pumpellyite Group: Shuiskite-(Cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a New Mineral, and Shuiskite-(Mg), a New Species Name for Shuiskite. Minerals 2020, 10, 390.",
year = "2020",
month = may,
day = "1",
doi = "10.3390/min10050390",
language = "English",
volume = "10",
journal = "Minerals",
issn = "2075-163X",
publisher = "MDPI AG",
number = "5",

}

RIS

TY - JOUR

T1 - Chromium members of the pumpellyite group

T2 - Shuiskite-(cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a new mineral, and shuiskite-(Mg), a new species name for shuiskite

AU - Lykova, Inna

AU - Varlamov, Dmitry

AU - Chukanov, Nikita

AU - Pekov, Igor

AU - Belakovskiy, Dmitry

AU - Ivanov, Oleg

AU - Zubkova, Natalia

AU - Britvin, Sergey

N1 - Lykova, I.; Varlamov, D.; Chukanov, N.; Pekov, I.; Belakovskiy, D.; Ivanov, O.; Zubkova, N.; Britvin, S. Chromium Members of the Pumpellyite Group: Shuiskite-(Cr), Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, a New Mineral, and Shuiskite-(Mg), a New Species Name for Shuiskite. Minerals 2020, 10, 390.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - A new pumpellyite-group mineral shuiskite-(Cr), ideally Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, was found at the Rudnaya mine, Glavnoe Saranovskoe deposit, Middle Urals, Russia. It occurs on the walls of 0.5 to 1 cm thick fractures in chromitite, filled with calcite, Cr-bearing clinochlore, and uvarovite. Shuiskite-(Cr) forms long prismatic to acicular crystals up to 0.1 × 0.5 × 7 mm elongated along [010] and slightly flattened on [100]. The crystals are commonly combined into radial, sheaf-like aggregates. Most observed crystals are simple twins with a (001) composition plane. Shuiskite-(Cr) is greenish-black under daylight or purplish-black under incandescent light. It is optically biaxial (–), α = 1.757(5), β = 1.788(6), γ = 1.794(6), 2V (meas.) = 45(10)°, 2V (calc.) = 46° (589 nm). The Dcalc is 3.432 g/cm3. The IR spectrum is reported. The chemical composition (wt.%) is CaO 21.33, MgO 3.17, Al2O3 5.41, Cr2O3 28.50, TiO2 0.18, SiO2 33.86, H2O 5.82, total 98.27. The empirical formula calculated based on the sum of eight metal cations and Si atoms per formula unit is Ca2.02Mg0.42Cr3+ 1.99Al0.56Ti0.01Si3.00O10.57(OH)3.43. The simplified formula is Ca2(Cr,Mg)(Cr,Al)2[SiO4][Si2O6(OH,O)](OH,O)(OH)2. Shuiskite-(Cr) is monoclinic, C2/m, a = 19.2436(6), b = 5.9999(2), c = 8.8316(3) Å, β = 97.833(3)°, V = 1010.17(6) Å3, and Z = 4. The crystal structure, solved from single-crystal X-ray diffraction data (R = 0.0469), is based on a pair of chains of edge-sharing Cr-centred octahedra running along the b axis, linked together via the [SiO4] and [Si2O6(OH)] groups and Ca-centred polyhedra. The mineral species shuiskite, ideally Ca2MgCr2[SiO4][Si2O6(OH)](OH)3, was renamed to shuiskite-(Mg) by the decision of the IMA CNMNC. The shuiskite solid solution series with the general formula Ca2XCr2[SiO4][Si2O6(OH,O)](OH)2(OH,O), which includes shuiskite-(Mg) and shuiskite-(Cr) with X = Mg and Cr3+, respectively, appeared in the pumpellyite group.

AB - A new pumpellyite-group mineral shuiskite-(Cr), ideally Ca2CrCr2[SiO4][Si2O6(OH)](OH)2O, was found at the Rudnaya mine, Glavnoe Saranovskoe deposit, Middle Urals, Russia. It occurs on the walls of 0.5 to 1 cm thick fractures in chromitite, filled with calcite, Cr-bearing clinochlore, and uvarovite. Shuiskite-(Cr) forms long prismatic to acicular crystals up to 0.1 × 0.5 × 7 mm elongated along [010] and slightly flattened on [100]. The crystals are commonly combined into radial, sheaf-like aggregates. Most observed crystals are simple twins with a (001) composition plane. Shuiskite-(Cr) is greenish-black under daylight or purplish-black under incandescent light. It is optically biaxial (–), α = 1.757(5), β = 1.788(6), γ = 1.794(6), 2V (meas.) = 45(10)°, 2V (calc.) = 46° (589 nm). The Dcalc is 3.432 g/cm3. The IR spectrum is reported. The chemical composition (wt.%) is CaO 21.33, MgO 3.17, Al2O3 5.41, Cr2O3 28.50, TiO2 0.18, SiO2 33.86, H2O 5.82, total 98.27. The empirical formula calculated based on the sum of eight metal cations and Si atoms per formula unit is Ca2.02Mg0.42Cr3+ 1.99Al0.56Ti0.01Si3.00O10.57(OH)3.43. The simplified formula is Ca2(Cr,Mg)(Cr,Al)2[SiO4][Si2O6(OH,O)](OH,O)(OH)2. Shuiskite-(Cr) is monoclinic, C2/m, a = 19.2436(6), b = 5.9999(2), c = 8.8316(3) Å, β = 97.833(3)°, V = 1010.17(6) Å3, and Z = 4. The crystal structure, solved from single-crystal X-ray diffraction data (R = 0.0469), is based on a pair of chains of edge-sharing Cr-centred octahedra running along the b axis, linked together via the [SiO4] and [Si2O6(OH)] groups and Ca-centred polyhedra. The mineral species shuiskite, ideally Ca2MgCr2[SiO4][Si2O6(OH)](OH)3, was renamed to shuiskite-(Mg) by the decision of the IMA CNMNC. The shuiskite solid solution series with the general formula Ca2XCr2[SiO4][Si2O6(OH,O)](OH)2(OH,O), which includes shuiskite-(Mg) and shuiskite-(Cr) with X = Mg and Cr3+, respectively, appeared in the pumpellyite group.

KW - Crystal structure

KW - New mineral

KW - Pumpellyite group

KW - Russia

KW - Saranovskoe chromite deposit

KW - Shuiskite series

KW - Shuiskite-Cr

KW - Shuiskite-Mg

KW - Urals

UR - http://www.scopus.com/inward/record.url?scp=85084965924&partnerID=8YFLogxK

U2 - 10.3390/min10050390

DO - 10.3390/min10050390

M3 - Article

AN - SCOPUS:85084965924

VL - 10

JO - Minerals

JF - Minerals

SN - 2075-163X

IS - 5

M1 - 390

ER -

ID: 54241132