IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
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 Educators
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 ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Unnamed (Ba-analogue of Calcioaravaipaite)

This page is currently not sponsored. Click here to sponsor this page.
Formula:
~BaCa2Al(F,OH)9
Appears to be the Ba analogue of calcioaravaipaite.

White globular, fine-grained to fibrous aggregates with a pearly lustre. Only a few small micromount-sized specimens are known. Some samples show an association with usovite.
Described by Kolitsch (1997) very briefly as an unidentified Ba-Ca-Al-fluoride; later recognised as being the Ba analogue of calcioaravaipaite (Kolitsch et al. 2007).
Subsequently, further samples were identified and the mineral has been synthesised and its structure solved. Work is ongoing to describe the mineral as a new species (Kolitsch et al., in prep., 2010-2015).

The mineral from Russia, supposed to be BaCa2AlF9, occurs as intergrowths with fluorite aroud weberite grains, in a single fluoroaluminate segregation within aegirine-arfvedsonite aggregates; the presence/absence of OH and water in thiis phase could not be confirmed. Compare the associated 'Unnamed (Ba-Al Fluoride Hydroxide)'.


Hide all sections | Show all sections

Chemical Properties of Unnamed (Ba-analogue of Calcioaravaipaite)Hide

Formula:
~BaCa2Al(F,OH)9

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 Unnamed (Ba-analogue of Calcioaravaipaite)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
KOLITSCH, U. (1997): Ianthinit und weitere Neufunde aus der Grube Clara im mittleren Schwarzwald. Erzgräber 11 (2), 76-88 (in German).
WALENTA, K. (1999): Neue Mineralfunde von der Grube Clara. 8. Folge, 1. Teil. Lapis 24 (11), 34-37 (in German).
Kolitsch, U., Gröbner, J. Blass, G. & Graf, H.-W. (2007): Neufunde aus der Grube Clara im mittleren Schwarzwald (III): Cerianit-(Ce), Dravit, Florencit-(La), Gilmarit, Olenit und Scotlandit. Lapis 32 (6), 19-23; 70 (in German).
Uwe Kolitsch, Joachim Gröbner, Matthias Weil, Christian L. Lengauer (powder X-ray diffraction + SEM-EDS on a few specimens found after 1997; synthesis, structure solution)
Starikova, Sharygin, V.V. (2015): Ba-dominant fluoroaluminates from the Katugin rare-metal deposit (Transbaikalia, Russia): chemical and Raman data. XXXII International Conference "Alkaline Magmatism of the Earth and Related Strategic Metal Deposits", August 7-14, Apatity, Kola, Russia

Internet Links for Unnamed (Ba-analogue of Calcioaravaipaite)Hide

Localities for Unnamed (Ba-analogue of Calcioaravaipaite)Hide

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.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
KOLITSCH, U. (1997): Ianthinit und weitere Neufunde aus der Grube Clara im mittleren Schwarzwald. - Erzgräber 11 (2), 76-88.; Uwe Kolitsch & Joachim Gröbner (powder X-ray diffraction + SEM-EDS)
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Chitinskaya Oblast'
Starikova, Sharygin, V.V. (2015): Ba-dominant fluoroaluminates from the Katugin rare-metal deposit (Transbaikalia, Russia): chemical and Raman data. XXXII International Conference "Alkaline Magmatism of the Earth and Related Strategic Metal Deposits", August 7-14, Apatity, Kola, Russia
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: October 20, 2018 18:21:25 Page generated: June 20, 2018 02:52:08
Go to top of page