Arsenudinaite (original) (raw)

A valid IMA mineral species

About ArsenudinaiteHide

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Colour:

beige, pale brownish, brownish-yellowish or greyish-brownish

Specific Gravity:

3.816 (Calculated)

Crystal System:

Tetragonal

Name:

Named for being the arsenic analogue of udinaite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:53170:0

72f5cb77-f20a-4719-af4f-fcb319d41a80

IMA Classification of ArsenudinaiteHide

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Classification of ArsenudinaiteHide

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8.AC.50

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations

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 ArsenudinaiteHide

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Colour:

Beige, pale brownish, brownish-yellowish or greyish-brownish

Fracture:

Irregular/Uneven

Density:

3.816 g/cm3 (Calculated)

Optical Data of ArsenudinaiteHide

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RI values:

_n_ω = 1.777(10) _n_ε = 1.820(6)

δ = 0.043

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

Chemistry of ArsenudinaiteHide

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Mindat Formula:

NaMg4(AsO4)3

Crystallography of ArsenudinaiteHide

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Crystal System:

Tetragonal

Class (H-M):

42_m_ - Scalenohedral

Cell Parameters:

a = 6.8022(2) Å, c = 19.1843(6) Å

Unit Cell V:

887.66 ų (Calculated from Unit Cell)

Epitaxial Relationships of ArsenudinaiteHide

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Epitaxy Comments:

Interesting double epitactic intergrowths were observed: “ribbed” parallel aggregates of small, flattened forsterite crystals epitactically overgrow a larger prismatic anhydrite crystal and crystals of udinaite or arsenudinaite epitactically overgrow forsterite

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of ArsenudinaiteHide

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General Appearance of Type Material:

Equant tetragonal prismatic–dipyramidal crystals up to 0.15 mm, aggregates up to 1 cm and interrupted crusts up to 2 × 2 cm2.

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 5238/1

Geological Setting of Type Material:

The hottest zone of the Arsenatnaya fumarole. The temperatures in this area measured, using a chromel–alumel thermocouple,during collecting were 450–470 ◦C

Associated Minerals at Type Locality:

Synonyms of ArsenudinaiteHide

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Relationship of Arsenudinaite to other SpeciesHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

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 ArsenudinaiteHide

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References for ArsenudinaiteHide

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Reference List:

Koshlyakova, N.N., Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchkova, A.G., Kartashov, P.M., Sidorov, E.G., Pushcharovsky, D.Yu. (2020): A new solid solution with the garnet structure: the berzeliite–schaferite isomorphous series from Fumarole exhalations of the Tolbachik volcano, Kamchatka. Zapiski RMO (Proceedings of the Russian Mineralogical Society): 149(1): 69-84.

Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850

Localities for ArsenudinaiteHide

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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.