Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Rouseite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Pb2Mn2+[AsO3]2 · 2H2O
System:
Triclinic
Colour:
Yellow orange
Hardness:
3
Name:
For Dr. Roland Rouse of University of Michigan
This page provides mineralogical data about Rouseite.

Classification of Rouseite

Approved 1984
4.JC.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
C : Arsenites, antimonites, bismuthites; without additional anions, with H2O
45.1.2.2

45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
23.13

23 : Arsenites
mindat.org URL:
http://www.mindat.org/min-3463.html
Please feel free to link to this page.

Type Occurrence of Rouseite

Place of Conservation of Type Material:
Smithsonian Institution. Specimen # NMNH 94942
Year of Discovery:
1984
Geological Setting of Type Material:
In a secondary fracture cutting calcite-hausmannite ore.

Physical Properties of Rouseite

Vitreous
Colour:
Yellow orange
Streak:
Light yellow
Hardness (Mohs):
3
Tenacity:
Brittle
Cleavage:
Perfect
{010} and {110}
Density:
5.73 g/cm3 (Calculated)

Crystallography of Rouseite

Crystal System:
Triclinic
Cell Parameters:
a = 6.36Å, b = 7.29Å, c = 5.54Å
α = 97.3°, β = 114.2°, γ = 106°
Ratio:
a:b:c = 0.872 : 1 : 0.76

Optical Data of Rouseite

Type:
Biaxial (-)
RI values:
nα = 1.800 nγ = 1.900
2V:
Measured: 46°
Birefringence:
Estimated to be 0.070
Max Birefringence:
δ = 0.100
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v
Comments:
RI alpha is estimated to be between 1.8-1.9. The mineral reacted with fluids having RI greater than 1.78.

Chemical Properties of Rouseite

Formula:
Pb2Mn2+[AsO3]2 · 2H2O
Essential elements:
All elements listed in formula:

Relationship of Rouseite to other Species

4.JC.05CafarsiteCa5.9Mn1.7Fe3Ti3(AsO3)12 · 4-5H2O
4.JC.10Lazarenkoite(Ca,Fe2+)Fe3+As33+O7 · 3H2O
4.JC.20Vajdakite[(Mo6+O2)2(H2O)2As23+O5] · 3H2O
23.2NanlingiteNa(Ca5Li)Mg12(AsO3)2[Fe(AsO3)6]F14
23.3LeiteiteZn(As2O4)
23.5Kuznetsovite(Hg2+)Hg2+(AsO4)Cl
23.6PaulmooreitePb2[As2O5]
23.7EcdemitePb6Cl4(As2O7)
23.8HeliophyllitePb6Cl4(As2O7)
23.9FinnemanitePb5(AsO3)3Cl
23.10GebharditePb8(As2O5)2OCl6
23.11Zimbabweite(Na,K)2PbAs4(Ta,Nb,Ti)4O18
23.14FreediteCu+Pb8(AsO3)2O3Cl5
23.15ManganarsiteMn3(As2O4)(OH)4
23.17ArmangiteMn262+(AsO3)14(HAsO3)4(CO3)
23.18KaribibiteFe2As4O9
23.19SchneiderhöhniteFe2+Fe33+[As5O13]
23.20Lazarenkoite(Ca,Fe2+)Fe3+As33+O7 · 3H2O
23.21StenhuggariteCaFeSb(AsO3)2O
23.22Tomichite(V,Fe)4Ti3AsO13(OH)

Other Names for Rouseite

Name in Other Languages:
German:Rouseit
Spanish:Rouseita

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 Rouseite

Reference List:
American Mineralogist (1986): 71: 1034-1036.

Internet Links for Rouseite

Localities for Rouseite

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.
Sweden (TL)
 
  • Värmland
    • Filipstad
Amer.Min.(1986) 71, 1034-1036; Rocks & Min.: 62:166; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 28, 2015 13:49:19 Page generated: August 27, 2015 09:53:48