Alumoedtollite

A valid IMA mineral species

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Alumoedtollite

Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

Alumoedtollite

Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

Alumoedtollite

Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

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About AlumoedtolliteHide

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Eduard Toll

Formula:

K₂NaCu₅AlO₂(AsO₄)₄

Colour:

Bronze

Lustre:

Sub-Metallic

Specific Gravity:

4.28 (Calculated)

Crystal System:

Triclinic

Name:

Named for its relationship to edtollite, with aluminum dominant of over iron. The root name honors Eduard Gustav Freiherr von Toll (in Russian, Eduard Vasilievich Toll) (March 1858, Reval, Russian Empire (now Estonia) – 1902, East Siberian Sea), geologist and Arctic explorer.

Type Locality:

ⓘ Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

The Al analogue of edtollite. Structure determined. A representative of natural Al oxyarsenates, as in the case of dmisokolovite, nishanbaevite, urusovite, and wrightite.

Unique IdentifiersHide

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Mindat ID:

51953

Long-form identifier:

mindat:1:1:51953:1

GUID
(UUID V4):

28ea7fb9-b5de-44d3-bf1d-45c297f74b76

Classification of AlumoedtolliteHide

Mineral SymbolsHide

Physical Properties of AlumoedtolliteHide

Optical Data of AlumoedtolliteHide

Anisotropism:

Distinct

Bireflectance:

Very weak

Reflectivity:

Wavelength	R1	R2
400nm	8.0%	9.1%
420nm	7.9%	9.0%
440nm	7.8%	8.8%
460nm	7.7%	8.7%
470nm	7.7%	8.7%
480nm	7.7%	8.6%
500nm	7.6%	8.3%
520nm	7.5%	8.3%
540nm	7.5%	8.3%
546nm	7.4%	8.3%
560nm	7.4%	8.3%
580nm	7.4%	8.3%
589nm	7.4%	8.3%
600nm	7.4%	8.3%
620nm	7.3%	8.2%
640nm	7.3%	7.6%
650nm	7.2%	7.6%
660nm	7.1%	7.6%
680nm	7.0%	7.6%
700nm	7.0%	7.6%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 9.1%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

Grey

Internal Reflections:

Weak, yellowish

Pleochroism:

Not Visible

Chemical Properties of AlumoedtolliteHide

Crystallography of AlumoedtolliteHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of AlumoedtolliteHide

Synonyms of AlumoedtolliteHide

Other Language Names for AlumoedtolliteHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for AlumoedtolliteHide

References for AlumoedtolliteHide

Reference List:

Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Sidorov, E.G., Ksenofontov, D.A., Britvin, S.N. and Pushcharovsky, D.Y. (2017) Alumoedtollite, IMA2017-020. CNMNC Newsletter No. 38, August 2017, page 1034. Mineralogical Magazine: 81: 1033–1038.

Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Ksenofontov, Dmitry A., Pautov, Leonid A., Sidorov, Evgeny G., Britvin, Sergey N., Vigasina, Marina F., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K₂NaCu₅Fe³⁺O₂(AsO₄)₄, and alumoedtollite, K₂NaCu₅AlO₂(AsO₄)₄. Mineralogical Magazine, 83 (4) 485-495 doi:10.1180/mgm.2018.155

Localities for AlumoedtolliteHide

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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.

Russia (TL)
Kamchatka Krai Milkovsky District Tolbachik Volcanic field Great Fissure eruption (Main Fracture) Northern Breakthrough (North Breach) Second scoria cone ⓘ Arsenatnaya fumarole (TL)	Mineralogical Magazine, 81, 1033–1038. Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Sidorov, E.G., Ksenofontov, D.A., Britvin, S.N. and Pushcharovsky, D.Y. (2017) Alumoedtollite, IMA2017-020. CNMNC Newsletter No. 38, August 2017, page 1034