Ivanyukite-Na-T (original) (raw)

Formula:

Na2Ti4(SiO4)3(OH)O3 · 7H2O

Colour:

Colorless to pale brown

Name:

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.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:39652:3

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

IMA Classification of Ivanyukite-Na-THide

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IMA Formula:

Na3Ti4(SiO4)3O3(OH) · 7H2O

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

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9.AG.

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

Mineral SymbolsHide

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

Physical Properties of Ivanyukite-Na-THide

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Colour:

Colorless to pale brown

Cleavage:

Perfect
on {1011}

Density:

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

Optical Data of Ivanyukite-Na-THide

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RI values:

_n_ω = 1.760(1) _n_ε = 1.850(9)

δ = 0.090

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

Chemistry of Ivanyukite-Na-THide

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Mindat Formula:

Na2Ti4(SiO4)3(OH)O3 · 7H2O

Crystallography of Ivanyukite-Na-THide

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Class (H-M):

3_m_ - Ditrigonal Pyramidal

Cell Parameters:

a = 10.921(3) Å, c = 13.885(4) Å

Unit Cell V:

1,434.17 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Type Occurrence of Ivanyukite-Na-THide

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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.

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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

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References for Ivanyukite-Na-THide

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Reference List:

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

Localities for Ivanyukite-Na-THide

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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

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- 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.