UM1994-01-AsO:FeHSTl

Valid as an unnamed mineral

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Formula:

Fe₂TlAs₃O₁₂ · 4H₂O

Said to be comparable to "UM1993-//-AsO:FeHSTl". Chemically resembles thalliumpharmacosiderite.

Found within realgar, in form of radial to colloform aggregates, up to 300 microns in diameter.

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Unique IdentifiersHide

Mindat ID:

53492

Long-form identifier:

mindat:1:1:53492:9

IMA Classification of UM1994-01-AsO:FeHSTlHide

IMA status notes:

Unnamed (probably valid)

Chemistry of UM1994-01-AsO:FeHSTlHide

Mindat Formula:

Fe₂TlAs₃O₁₂ · 4H₂O

Element Weights:

Element	% weight
O	31.804 %
As	27.925 %
Tl	25.393 %
Fe	13.876 %
H	1.002 %

Calculated from ideal end-member formula.

Elements listed:

As, Fe, H, O, Tl - search for minerals with similar chemistry

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 UM1994-01-AsO:FeHSTlHide

mindat.org URL:

https://www.mindat.org/min-53492.html
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References for UM1994-01-AsO:FeHSTlHide

Reference List:

Frantz, E., Palme, H., Todt, W., El Goresy, A., Pavicevic, M. (1994) Geochemistry of Tl-As minerals and host rocks at Allchar (FYR Macedonia). Neues Jahrb. Mineral. Abh.: 167: 359-399.; in: Jambor, J.L., Roberts, A.C. (1995): New mineral Names. American Mineralogist: 80: 1076

Smith, D. G.W.; Nickel, E. H. (2007) A System of Codification for Unnamed Minerals: Report of the Subcommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. The Canadian Mineralogist, 45 (4). 983-990 doi:10.2113/gscanmin.45.4.983

Localities for UM1994-01-AsO:FeHSTlHide

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.

North Macedonia

Kavadarci Municipality

Ržanovo

Allchar

ⓘ Crven Dol

Frantz et al. (1994) +1 other reference