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

Chadwickite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
(UO2)[HAsO3]
System:
Tetragonal
Lustre:
Earthy
Hardness:
2
Name:
Named after Sir James Chadwick (1891-1974), English physicist, Cavendish Laboratory, University
of Cambridge, U.K., Nobel Prize winner in 1935 for his discovery of the neutron.
This page provides mineralogical data about Chadwickite.

Classification of Chadwickite

Approved
4.JA.60

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
A : Arsenites, antimonites, bismuthites; without additional anions, without H2O
mindat.org URL:
http://www.mindat.org/min-6858.html
Please feel free to link to this page.

Type Occurrence of Chadwickite

Physical Properties of Chadwickite

Earthy
Hardness (Mohs):
2

Crystallography of Chadwickite

Crystal System:
Tetragonal

Optical Data of Chadwickite

Type:
Uniaxial (-)
RI values:
nω = 1.840 nε = 1.750
Max Birefringence:
δ = 0.090
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Chadwickite

Formula:
(UO2)[HAsO3]
Essential elements:
All elements listed in formula:

Relationship of Chadwickite to other Species

4.JA.05LeiteiteZn(As2O4)
4.JA.10ReineriteZn3(AsO3)2
4.JA.15KaribibiteFe2As4O9
4.JA.20KusachiiteCuBi2O4
4.JA.20SchafarzikiteFe2+Sb23+O4
4.JA.20TrippkeiteCu[As2O4]
4.JA.25ApuaniteFe2+Fe43+Sb43+O12S
4.JA.30VersiliaiteFe2Fe4Sb6O16S
4.JA.35SchneiderhöhniteFe2+Fe33+[As5O13]
4.JA.40Zimbabweite(Na,K)2PbAs4(Ta,Nb,Ti)4O18
4.JA.45LudlockitePbFe43+As103+O22
4.JA.50PaulmooreitePb2[As2O5]
4.JA.55StibivaniteSb2VO5

Other Names for Chadwickite

Name in Other Languages:
German:Chadwickit
Spanish:Chadwickita

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 Chadwickite

Reference List:
Aufschluss: 49: 253-257.

Internet Links for Chadwickite

Localities for Chadwickite

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.
Germany (TL)
 
  • Baden-Württemberg
    • Black Forest
      • Schenkenzell
        • Wittichen
          • Böckelsbach valley
American Mineralogist, Volume 84, pages 1195–1198, 1999; Markl, G. & Slotta, C. (2011): Die Uranmineralien des Lagerstättenreviers Wittichen im mittleren Schwarzwald. Lapis 36 (3), 25-37; 54 (in German).
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 31, 2015 09:57:02 Page generated: August 29, 2015 02:51:43