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Neiva River, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia
© Pavel M. Kartashov
This mineral is clearly anthropogenic, but was accepted before the current IMA CNMMN rules excluding such species came into effect.
This page provides mineralogical data about Romarchite.
Classification of Romarchite
|Strunz 8th edition ID:||4/A.08-10|
|Nickel-Strunz 10th (pending) edition ID:||4.AC.20|
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
C : M:O = 1:1 (and up to 1:1.25); with large cations (+- smaller ones)
|Dana 8th edition ID:||184.108.40.206|
4 : SIMPLE OXIDES
2 : AX
|Hey's CIM Ref.:||7.11.1|
7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb
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Type Occurrence of Romarchite
|Type Locality:||Boundary Falls, Winnipeg River, Kenora District, Ontario, Canada|
|Year of Discovery:||1971|
Crystallography of Romarchite
|Cell Parameters:||a = 3.8Å, c = 4.83Å|
|Ratio:||a:c = 1 : 1.271|
|Unit Cell Volume:||V 69.75 Å³ (Calculated from Unit Cell)|
Chemical Properties of Romarchite
|Essential elements:||O, Sn|
|All elements listed in formula:||O, Sn|
Relationship of Romarchite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Romarchite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Romarchite
Canadian Mineralogist (1971): 10: 916.
The Canadian Mineralogist Vol. 41, pp. 649-657 (2003)
American Mineralogist (1972): 57: 1555.
Acta Crystallographica: B36: 2763-2765.
Internet Links for Romarchite
Localities for Romarchite
The 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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Monte Suímo Mine, Belas, Sintra, Lisbon District, PortugalFrom Rui Nunes, 21st Dec 2014 19:03:10