Donate now to keep mindat.org alive!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 Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Wilancookite from
Ponte do Piauí claim, Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil

Classification
Species:Wilancookite
Chemical Analyses:
Oxide wt%:
1
P2O536.19 %
SiO20.04 %
Al2O30.41 %
BaO34.65 %
Na2O0.09 %
K2O0.32 %
BeO12.86 %
Li2O0.50 %
H2Ocalc12.31 %
Total:97.37 %
Empirical formulae:
1(Ba7.54K0.32Na0.148.00(Ba3.04Li1.57?1.396.00Be24.08(P23.88Al0.38Si0.0324.29O96·32H2O
Sample references:
SampleReference
1Type SpecimenHatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M.L.S.C., Yang, H., Downs, R.T., Menezes Filho, L.A.D. (2017): Wilancookite, (Ba,K,Na)8(Ba,Li,?)6Be24P24O96·32H2O, a new beryllophosphate with a zeolite framework. European Journal of Mineralogy: 29: 923-930
Comments:As tiny dodecahedral {1 1 0} crystals, deposited on moraesite fibres
Confirmation
Validity:Valid - Type Locality
References
References:Menezes Filho, L.A.D., Hatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M.L.S.C., Yang, H. and Downs, R.T. (2015) Wilancookite, IMA 2015-034. CNMNC Newsletter No. 27, October 2015, page 1228; Mineralogical Magazine, 79, 1229–1236.; Hatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M.L.S.C., Yang, H., Downs, R.T., Menezes Filho, L.A.D. (2017): Wilancookite, (Ba,K,Na)8(Ba,Li,◻)6Be24P24O96·32H2O, a new beryllophosphate with a zeolite framework. European Journal of Mineralogy: 29: 923-930
Associated Minerals:
Associates:Moraesite
Associated Minerals Based on Photo Data:
Moraesite1 photo of Wilancookite associated with Moraesite at this locality.
Zanazziite1 photo of Wilancookite associated with Zanazziite at this locality.
Data
Mineral Data:Click here to view Wilancookite data
Locality Data:Click here to view Ponte do Piauí claim, Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil
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 1993-2018, 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: January 22, 2018 23:51:07
Go to top of page