Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Wollastonite from
Usaki Ijolite Complex, Homa Bay County, Kenya


Locality type:Volcanic Complex
Classification
Species:Wollastonite
Formula:Ca3(Si3O9)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Wollastonite data
Locality Data:Click here to view Usaki Ijolite Complex, Homa Bay County, Kenya
Data Identifiers
Mindat Occurrence Record ID:1426673
Long-form Identifier:1:3:1426673:7
GUID (UUID V4):0
Nearest other occurrences of Wollastonite
3.7km (2.3 miles) ⓘNyamaji Volcanic Complex, Homa Bay County, Kenya
3.8km (2.4 miles) ⓘNorth Ruri, Ruri complex, Homa Bay County, Kenya
7.4km (4.6 miles) ⓘRuri complex, Homa Bay County, Kenya
18.5km (11.5 miles) ⓘHoma Mountain complex, Homa Bay County, Kenya
28.3km (17.6 miles) ⓘKisingiri Volcano, Homa Bay County, Kenya
References
Pulfrey, W. (1949) Ijolitic rocks near Homa Bay, western Kenya. Journal of the Geological Society, 105 (1) 425-459 doi:10.1144/gsl.jgs.1949.105.01-04.16
Le Bas, M. J. (1977). Carbonatite-nephelinite volcanism: an African case history. London: Wiley.
LE BAS, M. J., ASPDE, J., WOOLLEY, A. R. (1977) Contrasting Sodic and Potassie Glassy Inclusions in Apatite Crystals from an Ijolite. Journal of Petrology, 18 (2) 247-262 doi:10.1093/petrology/18.2.247
Bas, M. J., Aspden, J. A. (1981) The comparability of carbonatitic fluid inclusions in ijolites with natrocarbonatite lava. Bulletin Volcanologique, 44 (3). 429-438 doi:10.1007/bf02600574
Kalt, A., Hegner, E., Satir, M. (1997) Nd, Sr, and Pb isotopic evidence for diverse lithospheric mantle sources of East African Rift carbonatites. Tectonophysics, 278 (1) 31-45 doi:10.1016/s0040-1951(97)00093-0
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 19, 2026 04:56:40
Go to top of page