Sapozhnikovite (original) (raw)

A valid IMA mineral species

Formula:

Na8(Al6Si6O24)(HS)2

Colour:

Colourless to pale grayish

Name:

Named after Russian mineralogist and crystallographer, Anatoly Nikolaevich Sapozhnikov, Ph.D. (b. 1946).

The second mineral with dominant sulfhydryl (hydrosulfide) anion after sulfhydrylbystrite. The first group member with such anion as a species-defining one.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:55543:6

54df46e4-2473-48bd-9f04-46d0ad2a186e

IMA Classification of SapozhnikoviteHide

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Classification of SapozhnikoviteHide

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9.FB.

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions

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 SapozhnikoviteHide

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Colour:

Colourless to pale grayish

Cleavage:

Imperfect/Fair
on (110)

Density:

2.25(1) g/cm3 (Measured) 2.255 g/cm3 (Calculated)

Chemistry of SapozhnikoviteHide

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Mindat Formula:

Na8(Al6Si6O24)(HS)2

Crystallography of SapozhnikoviteHide

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Class (H-M):

43_m_ - Hextetrahedral

Cell Parameters:

a = 8.91462(7) Å

Unit Cell V:

708.45 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Type Occurrence of SapozhnikoviteHide

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General Appearance of Type Material:

Isolated, anhedral equant grains, up to 5 mm in size.

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 5693/1.

Geological Setting of Type Material:

Hydrothermally altered urtite-like rock.

Associated Minerals at Type Locality:

Relationship of Sapozhnikovite to other SpeciesHide

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Other Members of this group:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of SapozhnikoviteHide

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330 nm (LWUV): strong, orange; 245 nm (SWUV): weak, yellow-orange

Other InformationHide

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Notes:

other methods used: Raman, ESR, NIR-Vis-UV absorption, photoluminescence spectroscopy

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 SapozhnikoviteHide

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References for SapozhnikoviteHide

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Reference List:

Chukanov, Nikita V., Zubkova, Natalia V., Pekov, Igor V., Shendrik, Roman Yu., Varlamov, Dmitry A., Vigasina, Marina F., Belakovskiy, Dmitry I., Britvin, Sergey N., Yapaskurt, Vasiliy O., Pushcharovsky, Dmitry Yu. (2022) Sapozhnikovite, Na8(Al6Si6O24)(HS)2, a new sodalite-group mineral from the Lovozero alkaline massif, Kola Peninsula. Mineralogical Magazine, 86 (1) 49-59 doi:10.1180/mgm.2021.94

Shchipalkina, N. V., Vereshchagin, O. S., Chukanov, N. V., Gorelova, L. A., Bocharov, V. N., & Pekov, I. V. (2023). High-temperature behavior of the UV-luminescent sodalite-type natural compound Na8 (Al6Si6O24)(HS) 2: Comparative study by in situ single-crystal X-ray diffraction and Raman spectroscopy. Journal of Solid State Chemistry, 124067.

Localities for SapozhnikoviteHide

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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.