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 Articles
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
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Ferri-winchite (of Leake 1978)

This page is currently not sponsored. Click here to sponsor this page.
This name was rejected as a valid mineral, but new material has been analysed from the Ilmeny Mts in Russia and this has now been approved as a new mineral species Ferriwinchite. Localities listed below need to be re-examined, and may be better listed as localities for Ferrian Winchite.

Originally described from Kajlidongri mine, Jhabua District, Madhya Pradesh, India.


Hide all sections | Show all sections

Classification of Ferri-winchite (of Leake 1978)Hide

Discredited
14.25.2

14 : Silicates not Containing Aluminum
25 : Silicates of Fe, Ca and alkalis and of Fe, Mg, Ca and alkalis

Optical Data of Ferri-winchite (of Leake 1978)Hide

Type:
Biaxial (-)
RI values:
nα = 1.636 nβ = 1.646 nγ = 1.658
2V:
Measured: 82° , Calculated: 86°
Max Birefringence:
δ = 0.022
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak

Synonyms of Ferri-winchite (of Leake 1978)Hide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.25.1Winchite☐{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m
14.25.3Alumino-ferrowinchite ☐{CaNa}{Fe2+4Al}(Si8O22)(OH)2
14.25.4Ferro-ferri-winchite☐[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2
14.25.5Ferro-winchite ☐{CaNa}{Fe2+4Al}(Si8O22)(OH)2Mon.
14.25.6Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
14.25.7Ferro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)(OH)2Mon.
14.25.8ImandriteNa12Ca3Fe3+2(Si6O18)2Orth.
14.25.9Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.

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.

Internet Links for Ferri-winchite (of Leake 1978)Hide

Localities for Ferri-winchite (of Leake 1978)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.
Chile
 
  • Los Lagos
    • Osorno Province
Willner, A.P., Pawlig, S., Massonne, H-J., Hervé, F. (2001) Metamorphic evolution of spessartine quartzites (coticules) in the high-pressure, low-temperature complex at Bahia Mansa, coastal cordillera of south-central Chile. The Canadian Mineralogist, 39:6, 1547–1569. Doi: https://doi.org/10.2113/gscanmin.39.6.1547
Russia
 
  • Chelyabinsk Oblast
Canadian Mineralogist 39(1) 171-177
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 24, 2019 19:46:25 Page generated: April 18, 2019 02:26:35
Go to top of page