Named in honor of Gregory Yur’evich Ivanyuk, Russian mineralogist and petrologist, head of the Laboratory of Self-Organized Mineral Systems in the Geological Institute of the Kola Science Centre of the Russian Academy of Sciences.

Type Locality:

ⓘ Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

A polytype of Ivanyukite-Na

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Unique IdentifiersHide

Mindat ID:

39652

Long-form identifier:

mindat:1:1:39652:3

GUID
(UUID V4):

b4249e4a-68e8-4e6a-9216-195f42834894

IMA Classification of Ivanyukite-Na-THide

IMA status:

Approved

IMA Formula:

Na₃Ti₄(SiO₄)₃O₃(OH) · 7H₂O

Approval year:

2007

First published:

2009

Type description reference:

Yakovenchuk, V. N., Nikolaev, A. P., Selivanova, E. A., Pakhomovsky, Y. A., Korchak, J. A., Spiridonova, D. V., Zalkind, O. A., Krivovichev, S. V. (2009) Ivanyukite-Na-T, ivanyukite-Na-C, ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na-T. American Mineralogist, 94 (10) 1450-1458 doi:10.2138/am.2009.3065

Classification of Ivanyukite-Na-THide

Strunz-mindat (2024):

9.AG.

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination

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
Iv-Na	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 Ivanyukite-Na-THide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Colorless to pale brown

Streak:

White

Hardness:

4 on Mohs scale

Tenacity:

Brittle

Cleavage:

Perfect
on {1011}

Fracture:

Step-Like

Density:

2.70 g/cm³ (Measured) 2.58 g/cm³ (Calculated)

Optical Data of Ivanyukite-Na-THide

Type:

Uniaxial (+)

RI values:

n_ω = 1.760(1) n_ε = 1.850(9)

Max Birefringence:

δ = 0.090

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Very High

Chemistry of Ivanyukite-Na-THide

Mindat Formula:

Na₂Ti₄(SiO₄)₃(OH)O₃ · 7H₂O

Elements listed:

H, Na, O, Si, Ti - search for minerals with similar chemistry

Crystallography of Ivanyukite-Na-THide

Crystal System:

Trigonal

Class (H-M):

3m - Ditrigonal Pyramidal

Space Group:

R3m

Cell Parameters:

a = 10.921(3) Å, c = 13.885(4) Å

Ratio:

a:c = 1 : 1.271

Unit Cell V:

1,434.17 Å³ (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
7.88 Å	(100)
3.277 Å	(60)
3.175 Å	(80)
2.730 Å	(50)
2.607 Å	(70)
2.471 Å	(50)
1.960 Å	(60)
1.916 Å	(50)

Type Occurrence of Ivanyukite-Na-THide

Type Locality:

ⓘ Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

General Appearance of Type Material:

Cubic crystals, up to 1.5 mm in diameter.

Place of Conservation of Type Material:

Geological and Mineralogical Museum of the Geological Institute of the Kola Science Centre of the Russian Academy of Sciences, Apatity, Russia, numbers 6353.

Geological Setting of Type Material:

Low-temperature hydrothermal mineral crystallized from supersaturated Na-rich aqueous solutions; precursor to other ivanyukites (by partial hydration and cation exchange).

Associated Minerals at Type Locality:

Reference:

Yakovenchuk, V.N., Nikolaev, A.P., Selivanova, E.A., Pakhomovsky, Y.A., Korchak, J.A., Spiridonova, D.V., Zalkind, O.A., Krivovichev, S.V. (2009) Ivanyukite-Na-T, ivanyukite-Na-C, ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na-T. American Mineralogist: 94: 1450–1458.

Download:

https://rruff.info/rruff_1.0/uploads/AM94_1450.pdf

Related Minerals - Strunz-mindat Grouping Hide

9.AG.	Ivanyukite-Na-C	Na₂Ti₄(SiO₄)₃(OH)₂O₂ · 6H₂O	Iso. 4 3m : P4 3m
9.AG.	Edgrewite	Ca₉(SiO₄)₄F₂	Mon. 2/m : P2₁/b
9.AG.	Aluminotaipingite-(CeCa)	(Ce₆Ca₃)◻Al(SiO₄)₃[SiO₃(OH)]₄F₃	Trig. 3m : R3c
9.AG.02	Gatedalite	ZrMn²⁺₂Mn³⁺₄SiO₁₂	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
9.AG.2	Skogbyite	Zr(Mg₂Mn³⁺₄)SiO₁₂	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
9.AG.05	Abswurmbachite	CuMn³⁺₆(SiO₄)O₈	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
9.AG.05	Braunite	Mn²⁺Mn³⁺₆(SiO₄)O₈	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
9.AG.05	Neltnerite	CaMn³⁺₆(SiO₄)O₈	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
9.AG.05	Braunite-II	CaMn³⁺₁₄(SiO₄)O₂₀	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
9.AG.10	Långbanite	Mn²⁺₄Mn³⁺₉Sb⁵⁺O₁₆(SiO₄)₂	Trig. 3m : P3m1
9.AG.12	Taipingite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃[SiO₃(OH)]₄F₃	Trig. 3m : R3c
9.AG.15	Malayaite	CaSn(SiO₄)O	Mon. 2/m
9.AG.15	Titanite	CaTi(SiO₄)O	Mon. 2/m : P2₁/b
9.AG.15	Vanadomalayaite	CaV⁴⁺(SiO₄)O	Mon. 2/m : B2/b
9.AG.15	Natrotitanite	(Na_0.5Y_0.5)Ti(SiO₄)O	Mon. 2/m : B2/b
9.AG.15	Żabińskiite	Ca[Al_0.5(Ta,Nb)_0.5)](SiO₄)O	Tric. 1
9.AG.20	Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃	Trig. 3m : R3c
9.AG.20	Ferricerite-(LaCa)	(La₆Ca₃)◻Fe³⁺(SiO₄)₃(SiO₃OH)₄(OH)₃	Trig. 3m : R3c
9.AG.20	Aluminocerite-(CeCa)	(Ce₆Ca₃)◻Al(SiO₄)₃[SiO₃(OH)]₄(OH)₃	Trig. 3m : R3c
9.AG.20	Nipeiite-(Ce)	Ce₉Fe³⁺(SiO₄)₆[SiO₃(OH)](OH)₃	Trig. 3m : R3c
9.AG.25	Trimounsite-(Y)	Y₂Ti₂(SiO₄)O₅	Mon. 2/m : P2₁/b
9.AG.25	Yftisite-(Y)	(Y,Dy,Er)₄(Ti,Sn)(SiO₄)₂O(F,OH)₆
9.AG.25	Mieite-(Y)	Y₄Ti(SiO₄)₂O[F,(OH)]₆	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.AG.30	Sitinakite	KNa₂Ti₄(SiO₄)₂O₅(OH) · 4H₂O	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mcm
9.AG.35	Kittatinnyite	Ca₂Mn₂Mn(SiO₄)₂(OH)₄ · 9H₂O	Hex.
9.AG.40a	Natisite	Na₂Ti(SiO₄)O	Tet. 4/mmm (4/m 2/m 2/m)
9.AG.40b	Paranatisite	Na₂Ti(SiO₄)O	Orth. mmm (2/m 2/m 2/m) : Pmma
9.AG.45	Törnebohmite-(Ce)	Ce₂Al(SiO₄)₂(OH)	Mon. 2/m : P2₁/b
9.AG.45	Törnebohmite-(La)	La₂Al(SiO₄)₂(OH)
9.AG.50	Kuliokite-(Y)	Y₄Al(SiO₄)₂(OH)₂F₅	Tric. 1 : P1
9.AG.50	Ivanyukite-Na	Na₂Ti₄(SiO₄)₃(OH)₂O₂ · 6H₂O	Trig. 3m : R3m
9.AG.50	Ivanyukite-K	K₂Ti₄(SiO₄)₃(OH)₂O₂ · 9H₂O	Iso. 4 3m : P4 3m
9.AG.50	Ivanyukite-Cu	CuTi₄(SiO₄)₃(OH)₂O₂ · 7H₂O	Iso. 4 3m : P4 3m
9.AG.50	Hydroxyledgrewite	Ca₉(SiO₄)₄(OH)₂	Mon. 2/m : P2₁/b
9.AG.52	Ulfanderssonite-(Ce)	(Ce₁₅Ca)_Σ16Mg₂(SiO₄)₁₀(SiO₃OH)(OH,F)₅Cl₃	Mon. m : Bm
9.AG.55	Chantalite	CaAl₂(SiO₄)(OH)₄	Tet. 4/m : I4₁/a
9.AG.60	Mozartite	CaMn³⁺(SiO₄)(OH)	Orth. 2 2 2 : P2₁ 2₁ 2₁
9.AG.60	Vuagnatite	CaAl(SiO₄)(OH)	Orth. 2 2 2 : P2₁ 2₁ 2₁
9.AG.65	Hatrurite	Ca₃(SiO₄)O	Trig.
9.AG.70	Jasmundite	Ca₁₁(SiO₄)₄O₂S	Tet. 4 2m : I4m2
9.AG.75	Afwillite	Ca₃(HSiO₄)₂ · 2H₂O	Mon. m : Bb
9.AG.80	Bultfonteinite	Ca₂(HSiO₄)F · H₂O	Tric. 1 : P1
9.AG.85	Zoltaiite	BaV⁴⁺₂V³⁺₁₂(SiO₄)₂O₁₉	Trig. 3 : P3
9.AG.90	Tranquillityite	(Fe²⁺,Ca)₈(Zr,Y)₂Ti₃(SiO₄)₃O₁₂	Hex.

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 Ivanyukite-Na-THide

mindat.org URL:

https://www.mindat.org/min-39652.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 Ivanyukite-Na-THide

Reference List:

Localities for Ivanyukite-Na-THide

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.

Russia (TL)

Murmansk Oblast

Khibiny Massif

Koashva Mt

ⓘ Koashva Open Pit (TL)

Yakovenchuk et al. (2009)

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Ivanyukite-Na-T