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Darai-Pioz Massif

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Journal Article

Fluorapophyllite-(Cs), CsCa 4 (Si 8 O 20 )F(H 2 O) 8 , a new apophyllite-group mineral from the Darai-Pioz Massif, Tien-Shan, northern Tajikistan

Atali A. Agakhanov, Leonid A. Pautov, Anatoly V. Kasatkin, Vladimir Yu. Karpenko, Elena Sokolova, Maxwell C. Day, Frank C. Hawthorne, Vyacheslav A. Muftakhov, Igor V. Pekov, Fernando Cámara, Sergey N. Britvin
Published: 30 November 2019
The Canadian Mineralogist (2019) 57 (6): 965–971.
DOI: https://doi.org/10.3749/canmin.1900038
..., north Tajikistan. The multiphase Darai-Pioz massif belongs to the Upper Paleozoic Alaisky (Matchaisky) intrusive complex. The area of outcrop of the massif is about 16 km 2 . Most of the massif rocks are covered by moraine or glaciers and/or are difficult to access. In the north, the massif intrudes...
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Khvorovite, Pb 4 2 + Ca 2 [Si 8 B 2 (SiB)O 28 ]F, a new hyalotekite-group mineral from the Darai-Pioz alkaline massif, Tajikistan: Description and crystal structure

Leonid A. Pautov, Atali A. Agakhanov, Elena Sokolova, Frank C. Hawthorne, Vladimir Y. Karpenko, Oleg I. Siidra, Viktor K. Garanin, Yassir A. Abdu
Published: 01 August 2015
Mineralogical Magazine (2015) 79 (4): 949–963.
DOI: https://doi.org/10.1180/minmag.2015.079.4.06
... massif in the upper reaches of the Darai-Pioz river, Tajikistan. Khvorovite was found in a pectolite aggregate in silexites (quartz-rich rocks). The pectolite aggregate consists mainly of pectolite, quartz and fluorite, with minor aegirine, polylithionite, turkestanite and baratovite; accessory minerals...
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Kreiterite, CsLi 2 Fe +3 (Si 4 O 10 )F 2 , a New Cesium Mica from the Darai-Pioz Alkaline Massif, Tajikistan

Atali A. Agakhanov, Leonid A. Pautov, Igor V. Pekov, Vladimir Yu. Karpenko, Oleg I. Siidra, Elena Sokolova, Frank C. Hawthorne, Abdulkhak R. Faiziev, Anatoly V. Kasatkin, Inna M. Kulikova, Vyacheslav A. Muftakhov
Published: 04 February 2025
The Canadian Journal of Mineralogy and Petrology (2025) 63 (1): 103–110.
DOI: https://doi.org/10.3749/2400026
... was discovered in the Darai-Pioz alkaline massif (Tajikistan). It is named after the Russian geologist, Prof. Vladimir Mikhailovich Kreiter (1897–1966). Kreiterite occurs as lamellar grains or flakes up to 0.2 mm across, irregular in shape and usually slightly deformed, in quartz-pectolite aggregates within so...
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Mendeleevite-(Nd), (Cs,□) 6 (□,Cs) 6 (□,K) 6 ( REE ,Ca) 30 (Si 70 O 175 )(OH,H 2 O,F) 35 , a new mineral from the Darai-Pioz alkaline massif, Tajikistan

Atali A. Agakhanov, Leonid A. Pautov, Elena Sokolova, Frank C. Hawthorne, Vladimir Yu. Karpenko, Oleg. I. Siidra, Viktor K. Garanin
Published: 01 February 2017
Mineralogical Magazine (2017) 81 (1): 135–141.
DOI: https://doi.org/10.1180/minmag.2016.080.076
...Atali A. Agakhanov; Leonid A. Pautov; Elena Sokolova; Frank C. Hawthorne; Vladimir Yu. Karpenko; Oleg. I. Siidra; Viktor K. Garanin Abstract Mendeleevite-(Nd), (Cs,□) 6 (□,Cs) 6 (□,K) 6 ( REE ,Ca) 30 (Si 70 O 175 )(OH,H 2 O,F) 35 is a new mineral from the Darai-Pioz alkaline massif, Tajikistan...
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Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite

Atali A. Agakhanov, Leonid A. Pautov, Elena Sokolova, Yassir A. Abdu, Vladimir Y. Karpenko
Published: 01 January 2016
The Canadian Mineralogist (2016) 54 (1): 33–48.
DOI: https://doi.org/10.3749/canmin.1500085
... minerals. Bulgakite is a new mineral from the Darai-Pioz alkaline massif in the upper reaches of the Darai-Pioz river, in the area of the joint Turkestansky, Zeravshansky, and Alaisky ridges, Tajikistan. Bulgakite was found in fenitized amphibole–quartz–feldspar rock with brannockite, sogdianite...
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Rundqvistite-(Ce), Na 3 (Sr 3 Ce)(Zn 2 Si 8 O 24 ), a new mineral from the Darai-Pioz alkaline massif, Tien-Shan Mountains, Tajikistan: mineral description and crystal structure

Atali A. Agakhanov, Maxwell C. Day, Elena Sokolova, Vladimir Yu. Karpenko, Frank C. Hawthorne, Leonid A. Pautov, Anatoly V. Kasatkin, Igor V. Pekov, Vitaliya A. Agakhanova
Published: 01 October 2024
Mineralogical Magazine (2024) 88 (5): 594–601.
DOI: https://doi.org/10.1180/mgm.2024.53
...Atali A. Agakhanov; Maxwell C. Day; Elena Sokolova; Vladimir Yu. Karpenko; Frank C. Hawthorne; Leonid A. Pautov; Anatoly V. Kasatkin; Igor V. Pekov; Vitaliya A. Agakhanova Abstract Rundqvistite-(Ce), ideally Na 3 (Sr 3 Ce)(Zn 2 Si 8 O 24 ), is a new mineral from the Darai-Pioz alkaline massif, Tien...
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Yusupovite, Na 2 Zr(Si 6 O 15 )(H 2 O) 3 , a new mineral species from the Darai-Pioz alkaline massif and its implications as a new microporous filter for large ions

Atali A. Agakhanov, Leonid A. Pautov, Vladimir Y. Karpenko, Elena Sokolova, Yassir A. Abdu, Frank C. Hawthorne, Igor V. Pekov, Oleg I. Siidra
Published: 01 July 2015
American Mineralogist (2015) 100 (7): 1502–1508.
DOI: https://doi.org/10.2138/am-2015-5092
...Atali A. Agakhanov; Leonid A. Pautov; Vladimir Y. Karpenko; Elena Sokolova; Yassir A. Abdu; Frank C. Hawthorne; Igor V. Pekov; Oleg I. Siidra Abstract Yusupovite, ideally Na 2 Zr(Si 6 O 15 )(H 2 O) 3 , is a new silicate mineral from the Darai-Pioz alkaline massif in the upper reaches of the Darai...
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KIRCHHOFFITE, CsBSi 2 O 6 , A NEW MINERAL SPECIES FROM THE DARAI-PIOZ ALKALINE MASSIF, TAJIKISTAN: DESCRIPTION AND CRYSTAL STRUCTURE

Atali A. Agakhanov, Leonid A. Pautov, Vladimir Yu. Karpenko, Elena Sokolova, Frank C. Hawthorne
Published: 01 April 2012
The Canadian Mineralogist (2012) 50 (2): 523–529.
DOI: https://doi.org/10.3749/canmin.50.2.523
...Atali A. Agakhanov; Leonid A. Pautov; Vladimir Yu. Karpenko; Elena Sokolova; Frank C. Hawthorne Abstract Kirchhoffite, CsBSi 2 O 6 , is a new species of silicate mineral from the Darai-Pioz alkaline massif in the upper reaches of the Darai-Pioz River, in the area of the joint Turkestansky...
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Odigitriaite, CsNa 5 Ca 5 [Si 14 B 2 O 38 ]F 2 , a new caesium borosilicate mineral from the Darai-Pioz alkaline massif, Tajikistan: Description and crystal structure

Atali A. Agakhanov, Leonid A. Pautov, Elena Sokolova, Frank C. Hawthorne, Vladimir Yu. Karpenko, Oleg I. Siidra, Vyacheslav A. Muftakhov
Published: 01 February 2017
Mineralogical Magazine (2017) 81 (1): 113–122.
DOI: https://doi.org/10.1180/minmag.2016.080.074
...Atali A. Agakhanov; Leonid A. Pautov; Elena Sokolova; Frank C. Hawthorne; Vladimir Yu. Karpenko; Oleg I. Siidra; Vyacheslav A. Muftakhov Abstract Odigitriaite, a new Cs,Na,Ca borosilicate mineral, was discovered in moraine adjacent to the Darai-Pioz alkaline massif in the upper reaches of the Darai...
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Nacareniobsite-(Nd), Ca 2 (CaNd)Na 3 Nb(Si 2 O 7 ) 2 (OF)F 2 , a New Rinkite-Group (Seidozerite-Supergroup) Mineral from the Darai-Pioz Alkaline Massif, Tajikistan: Description and Crystal Structure

Atali A. Agakhanov, Maxwell C. Day, Elena Sokolova, Vladimir Yu. Karpenko, Frank C. Hawthorne, Leonid A. Pautov, Anatoly V. Kasatkin, Igor V. Pekov, Dmitriy I. Belakovskiy, Vitalia A. Agakhanova, Sergey N. Britvin
Published: 21 March 2025
The Canadian Journal of Mineralogy and Petrology (2025) 2400033.
DOI: https://doi.org/10.3749/2400033
... rinkite-group (seidozerite-supergroup) TS-block mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan. It occurs as prismatic isolated grains up to 0.3 mm long and 0.03 mm thick in a quartz-pectolite aggregate in a silexite-like peralkaline pegmatite. Associated minerals...
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Letnikovite-(Ce), (Na□)Ca 2 Ce 2 [Si 7 O 17 (OH)]F 4 (H 2 O) 4, a new mineral from the Darai-Pioz alkaline massif, Tajikistan: mineral description, crystal structure and a new single [Si 7 O 17 (OH)] sheet

Atali A. Agakhanov, Elena Sokolova, Fernando Cámara, Vladimir Yu. Karpenko, Frank C. Hawthorne, Leonid A. Pautov, Anatoly V. Kasatkin, Igor V. Pekov, Vitaliya A. Agakhanova
Published: 09 October 2023
Mineralogical Magazine (2023) 87 (6): 807–818.
DOI: https://doi.org/10.1180/mgm.2023.65
... or synthetic analogues (IMA2022–132). The mineral occurs at the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan, in a silexite-like peralkaline pegmatite. Letnikovite-(Ce) occurs as isolated prismatic grains up to 0.03 × 0.1 mm in a quartz–pectolite aggregate. Associated minerals are quartz...
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Rinkite-(Y), Na 2 Ca 4 YTi(Si 2 O 7 ) 2 OF 3 , a seidozerite-supergroup TS-block mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: Description and crystal structure

Leonid A. Pautov, Atali A. Agakhanov, Vladimir Yu. Karpenko, Yulia A. Uvarova, Elena Sokolova, Frank C. Hawthorne
Published: 29 June 2018
Mineralogical Magazine (2019) 83 (3): 373–380.
DOI: https://doi.org/10.1180/mgm.2018.122
...Leonid A. Pautov; Atali A. Agakhanov; Vladimir Yu. Karpenko; Yulia A. Uvarova; Elena Sokolova; Frank C. Hawthorne Abstract Rinkite-(Y), ideally Na 2 Ca 4 YTi(Si 2 O 7 ) 2 OF 3 , is a new rinkite-group (seidozerite-supergroup) TS-block mineral from the Darai-Pioz alkaline massif, Tian-Shan mountains...
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Kalyuzhnyite-(Ce), NaKCaSrCeTi(Si 8 O 21 )OF(H 2 O) 3, a new mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: mineral description, crystal structure and a new double (Si 8 O 21 ) sheet

Atali A. Agakhanov, Elena Sokolova, Vladimir Yu. Karpenko, Frank C. Hawthorne, Leonid A. Pautov, Anatoly V. Kasatkin, Igor V. Pekov, Vitaliya A. Agakhanova
Published: 13 October 2023
Mineralogical Magazine (2024) 88 (1): 19–30.
DOI: https://doi.org/10.1180/mgm.2023.74
...Atali A. Agakhanov; Elena Sokolova; Vladimir Yu. Karpenko; Frank C. Hawthorne; Leonid A. Pautov; Anatoly V. Kasatkin; Igor V. Pekov; Vitaliya A. Agakhanova Abstract Kalyuzhnyite-(Ce), ideally NaKCaSrCeTi(Si 8 O 21 )OF(H 2 O) 3 , is a new mineral from the Darai-Pioz alkaline massif, Tien-Shan...
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Two Rinkite-Group (Seidozerite-Supergroup) Minerals: Nacareniobsite-(Y), a New Mineral from the Darai-Pioz Alkaline Massif, Tajikistan, and Crystal-Structure Refinement of Nacareniobsite-(Ce)

Atali A. Agakhanov, Maxwell C. Day, Elena Sokolova, Vladimir Yu. Karpenko, Frank C. Hawthorne, Leonid A. Pautov, Igor V. Pekov, Anatoly V. Kasatkin, Vitalia A. Agakhanova
Published: 28 December 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (6): 1123–1136.
DOI: https://doi.org/10.3749/2300029
... mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan. The mineral is of hydrothermal origin. It occurs as prismatic crystals up to 1 mm long and 0.1 mm thick embedded in an aggregate of coarse-grained reedmergnerite. Associated minerals are reedmergnerite, leucophanite, nordite-(Ce...
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From structure topology to chemical composition. XXVII. Revision of the crystal chemistry of the perraultite-type minerals of the seidozerite supergroup: Jinshajiangite, surkhobite, and bobshannonite

Elena Sokolova, Frank C. Hawthorne, Fernando Cámara, Giancarlo Della Ventura, Yulia A. Uvarova
Published: 16 January 2020
The Canadian Mineralogist (2020) 58 (1): 19–43.
DOI: https://doi.org/10.3749/canmin.1900070
... F, Z = 4; surkhobite (holotype) from the Darai-Pioz massif, Tajikistan, ideally NaBaMn 4 Ti 2 (Si 2 O 7 ) 2 O 2 (OH) 2 F, Z = 4; and bobshannonite (holotype) from Mont Saint-Hilaire, Canada, ideally Na 2 KBa(Mn 7 Na)Nb 4 (Si 2 O 7 ) 4 O 4 (OH) 4 O 2 , Z = 2—were refined in space group C to R 1...
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Cesiokenopyrochlore, the First Natural Niobate with an Inverse Pyrochlore Structure

Atali A. Agakhanov, Anatoly V. Kasatkin, Sergey N. Britvin, Oleg I. Siidra, Leonid A. Pautov, Igor V. Pekov, Vladimir Yu. Karpenko
Published: 26 February 2021
The Canadian Mineralogist (2021) 59 (1): 149–157.
DOI: https://doi.org/10.3749/canmin.2000056
... . New Data on Minerals 40 , 17 – 22 . Agakhanov, A.A., Pautov, L.A., Karpenko, V.Y., Sokolova, E., & Hawthorne, F.C. (2012) Kirchhoffite, CsBSi 2 O 6 , a new mineral species from the Darai-Pioz Alkaline Massif, Tajikistan: Description and crystal structure...
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Nd–Sr isotope diagram for carbonatites. <span class="search-highlight">Massifs</span>: 1 — Murun, 2 — Khani, ...

Nd–Sr isotope diagram for carbonatites. Massifs: 1 — Murun, 2 — Khani, ...

Published: 01 April 2003
Fig. 12. Nd–Sr isotope diagram for carbonatites. Massifs: 1 — Murun, 2 — Khani, 3 — Darai-Pioz, 4, 5 — Mongolian province, 6 — Sayan province, Guli, and Kola carbonatites. DPM — depleted mantle, EM-1 and EM-2 — enriched mantle. Black line shows the mantle sequence.
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Carbon–oxygen isotope diagram for carbonatites. <span class="search-highlight">Massifs</span>: 1 — Murun, 2 —...

Carbon–oxygen isotope diagram for carbonatites. Massifs: 1 — Murun, 2 —...

Published: 01 April 2003
Fig. 11. Carbon–oxygen isotope diagram for carbonatites. Massifs: 1 — Murun, 2 — Khani, 3 — Bilibino, 4 — Kokshary, 5 — Arbarastakh, 6 — Ingili, 7 — Mushugai (Mongolia), 8 — Kola Peninsula, 9, 12 — Sayan province, 10 — Guli, 11 — Darai-Pioz (Tien Shan). Mantle square
Journal Article

The crystal structure of orlovite, KLi 2 Ti(Si 4 O 10 )(OF): the first example of the short-range order of Ti in true trioctahedral micas

Elena Sokolova, Frank C. Hawthorne, Atali A. Agakhanov, Leonid A. Pautov, Vladimir Yu. Karpenko
Published: 01 March 2018
European Journal of Mineralogy (2018) 30 (2): 399–402.
DOI: https://doi.org/10.1127/ejm/1988/0000-2724
...Elena Sokolova; Frank C. Hawthorne; Atali A. Agakhanov; Leonid A. Pautov; Vladimir Yu. Karpenko The crystal structure of orlovite, ideally KLi 2 Ti(Si 4 O 10 )(OF), from the Darai‑Pioz alkaline massif, Tien‑Shan, Garmskii district, northern Tajikistan, was solved and refined in the space C 2/ m...
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From Structure Topology To Chemical Composition. Xix. Titanium Silicates: Revision of the Crystal Structure and Chemical Formula of Bafertisite, Ba 2 Fe 2+ 4 Ti 2 (Si 2 O 7 ) 2 O 2 (OH) 2 F 2 , a Group-ii Ts-block Mineral

Fernando CÁmara, Elena Sokolova, Yassir A. Abdu, Leonid A. Pautov
Published: 01 January 2016
The Canadian Mineralogist (2016) 54 (1): 49–63.
DOI: https://doi.org/10.3749/canmin.1500059
... spectroscopy, IR and Raman spectroscopy, and single-crystal X-ray diffraction. These samples are from (1) the Bayan Obo REE deposit, Inner Mongolia, China (holotype); (2) the Gremyakha-Vyrmes alkaline complex, Kola Peninsula, Russia; and (3) the Darai-Pioz alkaline massif, Tajikistan. Bafertisite is a TS-block...
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