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Romarchite

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Royal Ontario Museum logo
Formula:
SnO
Crystal 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.


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Classification of RomarchiteHide

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

Chemical Properties of RomarchiteHide

Formula:
SnO

Crystallography of RomarchiteHide

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

Type Occurrence of RomarchiteHide

Synonyms of RomarchiteHide

Other Language Names for RomarchiteHide

German:Romarchit
Simplified Chinese:黑锡矿
Spanish:Romarchita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Azurite1 photo of Romarchite associated with Azurite on mindat.org.
Malachite1 photo of Romarchite associated with Malachite on mindat.org.
Cerussite1 photo of Romarchite associated with Cerussite on mindat.org.
Gold1 photo of Romarchite associated with Gold on mindat.org.
Tin1 photo of Romarchite associated with Tin on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.AC.05SwedenborgiteNaBe4Sb5+O7Hex. 6mm : P63mc
4.AC.10BrownmilleriteCa2(Al,Fe3+)2O5Orth. mm2
4.AC.10SrebrodolskiteCa2Fe3+2O5Orth. mmm (2/m 2/m 2/m) : Pnma
4.AC.15MontroyditeHgOOrth. mmm (2/m 2/m 2/m) : Pmmn
4.AC.20LithargePbOTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.AC.25MassicotPbOOrth. mmm (2/m 2/m 2/m) : Cmmm

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.11.2CassiteriteSnO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.11.4SchoenfliesiteMg[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
7.11.5BurtiteCa[Sn(OH)6]Iso.
7.11.6VismirnoviteZn[Sn(OH)6]Iso.
7.11.7WickmaniteMn2+[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
7.11.8TetrawickmaniteMn2+[Sn4+(OH)6]Tet. 4/m : P42/n
7.11.9JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)Tet. 4/m : P42/n
7.11.10NataniteFe2+[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
7.11.11Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
7.11.12Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
7.11.13MagnesionigeriteTrig.
7.11.14ArgutiteGeO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.11.15BrunogeieriteFe2+2Ge4+O4Iso. m3m (4/m 3 2/m) : Fd3m
7.11.16StottiteFe2+[Ge4+(OH)6]Tet.
7.11.17CarboiriteFeAl2(GeO4)O(OH)2Tric.
7.11.18OtjisumeitePbGe4O9Tric.
7.11.19BartelkeitePb(Fe2+Ge)[Ge2O7](OH)2 · H2OMon. 2/m : P21/m
7.11.20MassicotPbOOrth. mmm (2/m 2/m 2/m) : Cmmm
7.11.21LithargePbOTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
7.11.22MiniumPb3O4Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc
7.11.23PlattneritePbO2Tet. 4/mmm (4/m 2/m 2/m)
7.11.24Scrutinyiteα-PbO2Orth.
7.11.25MurdochitePbCu6O8-x(Cl,Br)2x where x<=0.5Iso. m3m (4/m 3 2/m) : Fm3m
7.11.26MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
7.11.27CesàrolitePb(Mn4+)3O6(OH)2
7.11.28CoronaditePb(Mn4+6Mn3+2)O16Mon. 2/m
7.11.29QuenselitePbMnO2(OH)Mon. 2/m : P2/b
7.11.30PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2
7.11.31Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19Hex.
7.11.32SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.

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.

References for RomarchiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 RomarchiteHide

Localities for RomarchiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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'
        • Nizhnii Tagil
Pavel M. Kartashov analytical data
Saudi Arabia
 
  • Mintaqah Makkah
    • Jiddah (Jeddah)
http://rruff.geo.arizona.edu/doclib/hom/romarchite.pdf.; Matzko, J. J., Evans, H. T., Jr., Mrose, M. E. and Aruscavage, P. (1985) Abhurite, a new tin hydroxychloride mineral, and a comparative study with a synthetic basic tin chloride. Canadian Mineralogist. 23, 233-240
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
Canadian Mineralogist 41:659-669
  • Texas
    • El Paso Co.
      • Franklin Mts (Franklin Range)
R&M 66:3 pp 196-224
Mineral and/or Locality  
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