SUPPORT US. If is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography


This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About BrammalliteHide

Named in honor of Alfred Brammall (1879-1954), British geologist and mineralogist.
A variety of Paragonite

A sodium-deficient variety of paragonite, an analogue of illite. May be derived sometimes from the Na-leaching of paragonite, or by alteration of muscovite or other aluminous minerals.

Classification of BrammalliteHide


16 : Silicates Containing Aluminum and other Metals
2 : Aluminosilicates of Na

Physical Properties of BrammalliteHide


First Recorded Occurrence of BrammalliteHide

Synonyms of BrammalliteHide

Other Language Names for BrammalliteHide


Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.2.1AlbiteNa(AlSi3O8)Tric. 1
16.2.2AnalcimeNa(AlSi2O6) · H2OTric. 1 : P1
16.2.3UssingiteNa2AlSi3O8OHTric. 1 : P1
16.2.5NatroliteNa2Al2Si3O10 · 2H2OOrth. mm2 : Fdd2
16.2.7ParanatroliteNa2Al2Si3O10 · 3H2OMon. m : Bb
16.2.9Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2OMon.

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 BrammalliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Canadian Mineralogist: 36: 905-912.
Am. Mineral. 29, 73.
Bannister, F.A., 1943. Brammallite (sodium-illite), a new mineral from Llandebie, South Wales. Mineralogical Magazine and Journal of the Mineralogical Society, Volume 26, Issue 180, pp. 304-307
Rieder, M., Cavazzani, G., D'Yakonov, Y.S., Frank-Kamenetskii, V.A., Gottardi, G., Guggenheim, S., Koval, P.V., Müller, G., Neiva, A.M.R., Radaslovich, E.W., Robert, J.-L., Sassi, F.P., Takeda, H., Weiss, Z., Wones, D.R. (1998) Nomenclature of the micas. Mineralogical Magazine, Volume 63, Issue 2, Pages 267–296
O. V. ParfenovaO. V. Yapaskurt, 2001, Some Problems of Clastogenic Mica Transformation during Anchimetamorphism (Metagenesis). Lithology and Mineral Resources. May 2001, Volume 36, Issue 3, pp 262–267
Ruiz Cruz, MD, (2007) Na-bearing white micas from Triassic rocks of the transition between the Maláguide and Alpujárride Complexes (Betic Cordillera, Spain). Clays and Clay Minerals, 56 (3): 344-358.

Internet Links for BrammalliteHide

Localities for BrammalliteHide

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.
  • Lower Silesian Voivodeship
    • Kamienna Góra Co.
      • Gmina Marciszów
        • Wieściszowice
Uzarowic, L., Segvic, B., Michalik, M., Bylina, P. (2012) The effect of hydrochemical conditions and pH of the environment on phyllosilicate transformations in the weathering zone of pyrite-bearing schists in Wiesciszowice (SW Poland) . Clay Minerals, 47:4, 401-417.
  • Banská Bystrica Region
    • Poltár Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Wales
    • Carmarthenshire
DAN Earth Sci. 208 (1973), 157; CM 36 (1998), 905
    • Neath Port Talbot
      • Crynant
Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 19, 2019 16:09:15 Page generated: July 18, 2019 00:27:07
Go to top of page