to honour Vasily Avksentievich Kalyuzhny (1899–1993) due to his contributions to the geology of ore deposits of Komi Republic (Russia) and mineralogy of granitic pegmatites of Tajikistan

Type Locality:

ⓘ Dara-i-Pioz Massif, Districts of Republican Subordination, Tajikistan

New structure type. Unique combination of elements (at the upload time).

Structuredetails:
* heteropolyhedral Na–Sr–Ce–Ti sheet, [NaSrCeTiOF]⁷⁺ composition;
* double (Si₈O₂₁)^10– sheet || (010) (unique among the all mineral species known at the upload time);
* the Si tetrahedra form tenmembered rings
* the framework is built via merging of 2 sheets (via common vertices of M polyhedra and silicate tetrahedra)
* the interstices within the Si–O sheet are occupied so that the ideal composition of the intra-sheet space is [(CaK)(H₂O)₃]³⁺.

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Unique IdentifiersHide

Mindat ID:

470699

Long-form identifier:

mindat:1:1:470699:7

GUID
(UUID V4):

b2672e69-6b94-450f-b3e8-f28d7d549528

IMA Classification of Kalyuzhnyite-(Ce)Hide

IMA status:

Approved, Pending publication

Approval year:

2023

Approval history:

IMA No. 2022-133

Classification of Kalyuzhnyite-(Ce)Hide

Strunz-mindat (2024):

9.HA.

9 : SILICATES (Germanates)
H : Unclassified silicates
A : With Alkali and Alkali-earth Elements

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Kalu-Ce	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 Kalyuzhnyite-(Ce)Hide

Lustre:

Vitreous

Colour:

colourless

Streak:

white

Density:

3.120 g/cm³ (Calculated)

Chemistry of Kalyuzhnyite-(Ce)Hide

Mindat Formula:

NaKCaSrCeTi(Si₈O₂₁)OF(H₂O)₃

Elements listed:

Ca, Ce, F, H, K, Na, O, Si, Sr, Ti - search for minerals with similar chemistry

Chemical AnalysisHide

Oxide wt%:

	1
Nb₂O₅	0.53 %
TiO₂	0.16 %
SiO₂	43.85 %
Er₂O₃	0.13 %
Ho₂O₃	0.10 %
Gd₂O₃	0.09 %
Sm₂O₃	0.47 %
Nd₂O₃	6.22 %
Pr₂O₃	1.21 %
Ce₂O₃	6.34 %
La₂O₃	0.82 %
PbO	4.90 %
BaO	0.85 %
SrO	11.39 %
CaO	1.86 %
Cs₂O	3.80 %
K₂O	1.59 %
Na₂O	2.99 %
H₂O	5.24 %
F	1.55 %
O=F	-0.65 %
Total:	93.44 %

Empirical formulas:

Sample ID	Empirical Formula
1	Na_1.07K_0.37Cs_0.30Sr_1.21Ca_0.37Pb_0.24Ba_0.06(Ce_0.43Nd_0.41Pr_0.08La_0.06Sm_0.03Gd_0.01Er_0.01Ho_0.01)_Σ1.04(Ti_0.97Nb_0.04)_Σ1.01Si_8.06O_25.21F_0.90H_6.42

Sample references:

ID	Locality	Reference	Notes
1	Dara-i-Pioz Massif, Districts of Republican Subordination, Tajikistan	Agakhanov, A.A., Sokolova, E., Karpenko, V.Yu., Hawthorne, F.C., Pautov, L.A., Kasatkin, A.V., Pekov, I.V., Agakhanova, V.A. (2023): Kalyuzhnyite-(Ce), NaKCaSrCeTi(Si8O21)OF(H2O)3, a new mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: mineral description, crystal structure and a new double (Si8O21) sheet. Mineralogical Magazine, 87, (in press).	empirical formula basis: 26.11 (O + F) apfu

Crystallography of Kalyuzhnyite-(Ce)Hide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

P2/b

Setting:

P2/c

Cell Parameters:

a = 18.647(4) Å, b = 11.214(2) Å, c = 14.642(3) Å
β = 129.55(3)°

Ratio:

a:b:c = 1.663 : 1 : 1.306

Unit Cell V:

2360.9 Å³

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.978 Å	(24)
3.423 Å	(22)
3.332 Å	(33)
3.026 Å	(100)
2.963 Å	(40)
2.895 Å	(24)
2.591 Å	(28)
2.344 Å	(33)

Type Occurrence of Kalyuzhnyite-(Ce)Hide

Type Locality:

ⓘ Dara-i-Pioz Massif, Districts of Republican Subordination, Tajikistan

General Appearance of Type Material:

grains, up to 0.05 x 0.07 mm

Place of Conservation of Type Material:

collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5923/1
How to

Geological Setting of Type Material:

found within a quartz-pectolite aggregate of a silexite-like peralkaline pegmatite

Associated Minerals at Type Locality:

Zeravshanite	Sokolovaite	Reedmergnerite	Quartz	Pekovite
Pectolite	Orlovite	Odigitriaite	Neptunite	Mendeleevite-(Ce)
Leucosphenite	Kirchhoffite	Garmite	Fluorite	Baratovite
Aegirine

Related Minerals - Strunz-mindat Grouping Hide

9.HA.	Qeltite	Ca₃TiSi₂(Fe³⁺₂Si)O₁₄	Trig. 3 2 : P3 2 1
9.HA.	Shinichengite	Ca₅[BSi₂O₇(OH)₂]₂ · 6H₂O	Tric. 1 : P1
9.HA.	Moragite	Ca₃TiSi₂(Al₂Si)O₁₄	Trig. 3 2 : P3 2 1
9.HA.05	Ertixiite	Na₂Si₄O₉	Iso.
9.HA.10	Kenyaite	Na₂Si₂₂O₄₁(OH)₈ · 6H₂O	Mon.
9.HA.20	Wawayandaite	Ca₆Mn₂BBe₉Si₆O₂₃(OH,Cl)₁₅	Mon.
9.HA.25	Magbasite	KBaFe³⁺Mg₇Si₈O₂₂(OH)₂F₆	Orth. mmm (2/m 2/m 2/m) : Cmma
9.HA.35	Demagistrisite	BaCa₂Mn³⁺₄(Si₃O₁₀)(Si₂O₇)(OH)₄ · 3H₂O	Orth. mm2 : Amm2
9.HA.37	Donwilhelmsite	CaAl₄Si₂O₁₁	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.HA.40	Igumnovite	Ca₃Al₂[SiO₄]₂[◻Cl₄]	Iso.
9.HA.40	Kasatkinite	Ba₂Ca₈B₅Si₈O₃₂(OH)₃ · 6H₂O	Mon.
9.HA.42	Paqueite	Ca₃TiSi₂(Al,Ti,Si)₃O₁₄	Trig. 3 2 : P3 2 1
9.HA.45	Rippite	K₂(Nb,Ti)₂(Si₄O₁₂)O(O,F)	Tet.
9.HA.47	Zagamiite	CaAl₂Si_3.5O₁₁	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.HA.50	α-Carnegieite	NaAlSiO₄
9.HA.50	Rudenkoite	Sr₃(Al_3.5Si_3.5)O₁₀(OH,O)₈Cl₂ · H₂O	Mon.
9.HA.52	Atheriastite	near Ca₅MgFeAl₆Si₈O₃₂ · 5H₂O
9.HA.55	Balvraidite
9.HA.55	Foshallasite	Ca₃[Si₂O₇] · 3H₂O(?)
9.HA.57	Bhreckite	Ca, Mg, Fe, Si, O, H
9.HA.60	Bravaisite
9.HA.60	Nagelschmidtite	Ca₇(SiO₄)₂(PO₄)₂	Hex. 6 : P6₁
9.HA.65	Caryochroite	(Na,Sr)₃(Fe³⁺,Mg)₁₀[Ti₂Si₁₂O₃₇] · (H₂O,O,OH)₁₇	Mon. 2/m
9.HA.70	Juanite	Ca₁₀Mg₄Al₂Si₁₁O₃₉ · 4H₂O or near	Orth.
9.HA.75	Tacharanite	Ca₁₂Al₂Si₁₈O₃₃ (OH)₃₆	Mon.
9.HA.80	Oyelite	Ca₁₀Si₈B₂O₂₉ · 12.5H₂O	Tric. 1 : P1
9.HA.85	Denisovite	K_14+x(Ca,Na,Mn,Fe)₄₈[Si₆₀O₁₆₂]F₁₆(O_x,OH_4-x) · 2H₂O	Mon.
9.HA.90	Tiettaite	K₄Na₁₂Fe³⁺Si₁₆O₄₁(OH)₄ · 2H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm

Other InformationHide

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 Kalyuzhnyite-(Ce)Hide

mindat.org URL:

https://www.mindat.org/min-470699.html
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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

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References for Kalyuzhnyite-(Ce)Hide

Reference List:

Agakhanov, A.A., Sokolova, E., Karpenko, V.Yu., Hawthorne, F.C., Pautov, L.A., Kasatkin, A.V., Pekov, I.V., Agakhanova, V.A. (2023): Kalyuzhnyite-(Ce), NaKCaSrCeTi(Si8O21)OF(H2O)3, a new mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: mineral description, crystal structure and a new double (Si8O21) sheet. Mineralogical Magazine, 87, (in press).

http://forum.amiminerals.it/viewtopic.php?f=5&t=19014&sid=7b5f62898a52a8076a56a2bf7c2a97c9

Bosi, Ferdinando, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2023) Newsletter 72. Mineralogical Magazine, 87 (3) 512-518 doi:10.1180/mgm.2023.21

forum.amiminerals.it (2023) http://forum.amiminerals.it/viewtopic.php?f=5&t=18607&sid=6d087c20ad5286324e60b7d7b6121957

Localities for Kalyuzhnyite-(Ce)Hide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- 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). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Tajikistan (TL)