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Rezvukhin, Dmitriy I., Rashchenko, Sergey V., Sharygin, Igor S., Malkovets, Vladimir G., Alifirova, Taisia A., Pautov, Leonid. A., Nigmatulina, Elena N., Seryotkin, Yurii V. (2023) Botuobinskite and mirnyite, two new minerals of the crichtonite group included in Cr-pyrope xenocrysts from the Internatsionalnaya kimberlite. Mineralogical Magazine, 87 (3) 433-442 doi:10.1180/mgm.2023.10

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Reference TypeJournal (article/letter/editorial)
TitleBotuobinskite and mirnyite, two new minerals of the crichtonite group included in Cr-pyrope xenocrysts from the Internatsionalnaya kimberlite
JournalMineralogical Magazine
AuthorsRezvukhin, Dmitriy I.Author
Rashchenko, Sergey V.Author
Sharygin, Igor S.Author
Malkovets, Vladimir G.Author
Alifirova, Taisia A.Author
Pautov, Leonid. A.Author
Nigmatulina, Elena N.Author
Seryotkin, Yurii V.Author
Year2023 (June)Volume87
Page(s)433-442Issue3
PublisherMineralogical Society
DOIdoi:10.1180/mgm.2023.10Search in ResearchGate
Classification
Not set
LoC
Not set
Mindat Ref. ID16508528Long-form Identifiermindat:1:5:16508528:1
GUIDc93e7258-a51c-46dc-af3c-e8c79392db64
Full ReferenceRezvukhin, Dmitriy I., Rashchenko, Sergey V., Sharygin, Igor S., Malkovets, Vladimir G., Alifirova, Taisia A., Pautov, Leonid. A., Nigmatulina, Elena N., Seryotkin, Yurii V. (2023) Botuobinskite and mirnyite, two new minerals of the crichtonite group included in Cr-pyrope xenocrysts from the Internatsionalnaya kimberlite. Mineralogical Magazine, 87 (3) 433-442 doi:10.1180/mgm.2023.10
Plain TextRezvukhin, Dmitriy I., Rashchenko, Sergey V., Sharygin, Igor S., Malkovets, Vladimir G., Alifirova, Taisia A., Pautov, Leonid. A., Nigmatulina, Elena N., Seryotkin, Yurii V. (2023) Botuobinskite and mirnyite, two new minerals of the crichtonite group included in Cr-pyrope xenocrysts from the Internatsionalnaya kimberlite. Mineralogical Magazine, 87 (3) 433-442 doi:10.1180/mgm.2023.10
In(2023, June) Mineralogical Magazine Vol. 87 (3) Mineralogical Society
Abstract/NotesTwo new mineral species of the crichtonite group: botuobinskite, ideally SrFe2+(Ti4+12Cr3+6)Mg2[O36(OH)2] and mirnyite, ideally SrZr(Ti4+12Cr3+6)Mg2O38, occur as inclusions in mantle-derived Cr-pyrope xenocrysts from the Internatsionalnaya kimberlite pipe, Mirny field, Siberian craton. Botuobinskite forms needle- and blade-like acicular crystals up to 1 mm in length and up to 30 ÎŒm in diameter, a large platy inclusion (700 × 700 × 80 ÎŒm) and roughly isometric grains (up to 80 ÎŒm). Mirnyite occurs as needle-and blade-like elongated inclusions (up to 1 mm). Both minerals are jet-black, opaque and exhibit a metallic lustre. In plane-polarised reflected light, botuobinskite and mirnyite are greyish-white with a weak brownish tint. Between crossed polars, the new species show distinct anisotropy in shades of bluish grey to greenish-brown. Neither bireflectance nor pleochroism is observed. Calculated densities for botuobinskite and mirnyite are 4.3582(5) and 4.3867(3) gm/cm3, respectively. The crystal structures of botuobinskite and mirnyite have been refined (R = 0.0316 and 0.0285, respectively) from single crystal X-ray diffraction data. The minerals are trigonal, crystallise in the space group R$\bar{3}$ (No. 148) and are isostructural with other members of the crichtonite group. The unit cell parameters are a = 10.3644(8) Å, c = 20.6588(11) Å and V = 1921.9(2) Å3 for botuobinskite and a = 10.3734(8) Å, c = 20.6910 (12) Å and V = 1928.2(2) Å3 for mirnyite, with Z = 3 for both. The Raman spectra of the minerals show strong peaks at 133, 313 and 711 cm–1. Infrared spectroscopy data for botuobinskite indicates H–O stretching of the hydroxyl groups. Botuobinskite and mirnyite have been approved by the IMA–CNMNC under the numbers 2018-143a and 2018-144a, respectively. Botuobinskite and mirnyite are named after the Botuobinskaya exploration expedition and Mirny town, respectively. The minerals may be considered as crystal-chemical analogues of other crichtonite-group species occurring in the lithospheric mantle (i.e. loveringite, lindsleyite and mathiasite). Both species commonly occur in intimate association with Cr-pyrope as well as other peridotitic minerals and exert an important control on the partitioning of incompatible elements during mantle metasomatism.

References Listed

These are the references the publisher has listed as being connected to the article. Please check the article itself for the full list of references which may differ. Not all references are currently linkable within the Digital Library.

Gatehouse (1979) American Mineralogist The crystal structure of davidite 64, 1010
Kelly (1979) The Canadian Mineralogist Additional data on loveringite (Ca,REE)(Ti,Fe,Cr)21O38 and mohsite discredited 17, 635
Not Yet Imported: Phase Transitions - journal-article : 10.1080/0141159031000076110

If you would like this item imported into the Digital Library, please contact us quoting Journal ID 63162
Jones (1989) Carbonatites , 448
Grey (1976) American Mineralogist The structure of crichtonite and its relationship to senaite 61, 1203
Grey (1978) The Canadian Mineralogist The crystal structure of landauite, Na[MnZn2(Ti,Fe)6Ti12)]O38 16, 63
Pasero, M. (2022) The New IMA List of Minerals. International Mineralogical Association. Commission on new minerals, nomenclature and classification (IMA-CNMNC). http://cnmnc.main.jp/.
Gatehouse (1983) Acta Crystallographica Structure refinement of mathiasite, (K0.62Na0.14Ba0.14Sr0.10)ÎŁ1.0[Ti12.90Cr3.10Mg1.53Fe2.15Zr0.67Ca0.29 (V,Nb,Al)0.36]ÎŁ21.0O38 C39, 421
Varlamov (1996) Transactions of the Russian Academy of Sciences, Earth Science Section Exotic high-titanium minerals as inclusions in garnets from lower crustal and mantle xenoliths 345A, 352
Wang (2021) Mineralogical Magazine Haitaite-(La), IMA 2019-033a. CNMNC Newsletter 60 85, 454
Gatehouse (1978) American Mineralogist The crystal structure of loveringite – a new member of the crichtonite group 63, 28
Rezvukhin (2020a) Mineralogical Magazine Botuobinskite, IMA 2018-143a. CNMNC Newsletter No. 57 84, 791
Rezvukhin (2022) Mineralogical Magazine Cr-pyrope xenocrysts with oxide mineral inclusions from the Chompolo lamprophyres (Aldan shield): Insights into mantle processes beneath southeastern Siberian craton , 1
Haggerty (1983) American Mineralogist Lindsleyite (Ba) and mathiasite (K): two new chromium-titanates in the crichtonite series from the upper mantle 68, 494
Rezvukhin (2020b) Mineralogical Magazine Mirnyite, IMA 2018-144a. CNMNC Newsletter No. 57 84, 791

Map of Localities

Locality Pages

LocalityCitation Details
Internatsionalny Mine, Mirny, Mirninsky District, Sakha, Russia

Mineral Pages

MineralCitation Details
Botuobinskite
Mirnyite

Mineral Occurrences

LocalityMineral(s)
Internatsionalny Mine, Mirny, Mirninsky District, Sakha, Russiaⓘ Botuobinskite, ⓘ Mirnyite


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