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Romarchite

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Royal Ontario Museum logo
Formula:
SnO
System:
Tetragonal
Name:
The name is from the acronym for the Royal Ontario Museum (section Archaeology), where the mineral was first studied.
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

Approved
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)
4.2.5.1

4 : SIMPLE OXIDES
2 : AX
7.11.1

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb
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Type Occurrence of Romarchite

Year of Discovery:
1971

Crystallography of Romarchite

Crystal System:
Tetragonal
Cell Parameters:
a = 3.8Å, c = 4.83Å
Ratio:
a:c = 1 : 1.271
Unit Cell Volume:
V 69.75 ų (Calculated from Unit Cell)

Chemical Properties of Romarchite

Formula:
SnO
Essential elements:
All elements listed in formula:

Relationship of Romarchite to other Species

4.AC.05SwedenborgiteNaBe4Sb5+O7
4.AC.10BrownmilleriteCa2(Al,Fe3+)2O5
4.AC.10SrebrodolskiteCa2Fe23+O5
4.AC.15MontroyditeHgO
4.AC.20LithargePbO
4.AC.25MassicotPbO
7.11.2CassiteriteSnO2
7.11.4SchoenfliesiteMg[Sn(OH)6]
7.11.5BurtiteCa[Sn(OH)6]
7.11.6VismirnoviteZn[Sn(OH)6]
7.11.7WickmaniteMn2+[Sn(OH)6]
7.11.8TetrawickmaniteMn2+[Sn4+(OH)6]
7.11.9Jeanbandyite(Fe2+,Mn2+)[Sn4+(OH)6]
7.11.10NataniteFe2+[Sn(OH)6]
7.11.11Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
7.11.12Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)
7.11.13Magnesionigerite
7.11.14ArgutiteGeO2
7.11.15BrunogeieriteFe22+Ge4+O4
7.11.16StottiteFe2+[Ge4+(OH)6]
7.11.17CarboiriteFeAl2(GeO4)O(OH)2
7.11.18OtjisumeitePbGe4O9
7.11.19BartelkeitePb(Fe2+Ge)[Ge2O7](OH)2 · H2O
7.11.20MassicotPbO
7.11.21LithargePbO
7.11.22MiniumPb3O4
7.11.23PlattneritePbO2
7.11.24Scrutinyiteα-PbO2
7.11.25MurdochitePbCu6O8-x(Cl,Br)2x where x<=0.5
7.11.26MacedonitePbTiO3
7.11.27CesàrolitePb(Mn4+)3O6(OH)2
7.11.28CoronaditePb(Mn64+Mn23+)O16
7.11.29QuenselitePbMnO2(OH)
7.11.30PlumboferritePb2Fe3+11-xMnx2+O19-2x, x = 1/3
7.11.31Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19
7.11.32SenaitePb(Ti,Fe,Mn)21O38

Other Names for Romarchite

Name in Other Languages:
German:Romarchit
Simplified Chinese:黑锡矿
Spanish:Romarchita

Other Information

Health Risks:
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

Reference List:
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

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Bolivia
 
  • Oruro Department
    • Avaroa Province
      • Huari
The Canadian Mineralogist Vol. 41, pp. 649-657 (2003)
Canada (TL)
 
  • Ontario
    • Kenora District
      • Winnipeg River
ORGAN, R.M. & MANDARINO, J.A. (1971): Romarchite and hydroromarchite, two new stannous minerals. Canadian Mineralogist 10, 916 (abstr.).
China
P.M. Kartashov data
Pavel Kartashov
Jamaica
 
  • Kingston Parish
Dunkle, S. E. (2002): Romarchite and Other Corrosion Phases on Metal Artifacts from the Queen Anne’s Revenge (1718). Thesis submitted to the Faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Master of Science in Geological Sciences
Russia
 
  • Far-Eastern Region
Pavel M. Kartashov analytical data (2005)
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Neiva river
Pavel Kartashov specimen
        • Nizhnii Tagil
Pavel M. Kartashov analytical data
Saudi Arabia
 
  • Mintaqah Makkah
    • Jiddah (Jeddah)
http://rruff.geo.arizona.edu/doclib/hom/romarchite.pdf.
U.S. Virgin Islands
 
Alminas, Henry V.; Foord, Eugene E.; Tucker, Robert E. (1994) Geochemistry, mineralogy, and geochronology of the U.S. Virgin Islands USGS Bulletin 2057 36p
Alminas, Henry V.; Foord, Eugene E.; Tucker, Robert E. (1994) Geochemistry, mineralogy, and geochronology of the U.S. Virgin Islands USGS Bulletin 2057 36p
USA
 
  • Florida
    • Monroe Co.
Dunkle, S. E. (2002): Romarchite and Other Corrosion Phases on Metal Artifacts from the Queen Anne’s Revenge (1718). Thesis submitted to the Faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Master of Science in Geological Sciences
  • Idaho
    • Custer Co.
The Canadian Mineralogist Vol. 41, pp. 649-657 (2003)
  • Minnesota
The Canadian Mineralogist Vol. 41, pp. 649-657 (2003)
  • North Carolina
    • Carteret Co.
      • Beaufort
CanMin 41:659-669
  • Texas
    • El Paso Co.
      • Franklin Mts
R&M 66:3 pp 196-224
Mineral and/or Locality  
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