Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for your votes.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
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 ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced 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 CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Forsterite from
Rocca Castellaccio, Ciappanico, Torre di Santa Maria, Sondrio Province, Lombardy, Italy


Locality type:Mountain
Classification
Species:Forsterite
Formula:Mg2(SiO4)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Forsterite data
Locality Data:Click here to view Rocca Castellaccio, Ciappanico, Torre di Santa Maria, Sondrio Province, Lombardy, Italy
Data Identifiers
Mindat Occurrence Record ID:896762
Long-form Identifier:1:3:896762:6
GUID (UUID V4):0
Nearest other occurrences of Forsterite
2.7km (1.7 miles) ⓘGiumellini Valley (Giumellino Valley), Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
4.0km (2.5 miles) ⓘCastellaccio Quarry, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
4.8km (3.0 miles) ⓘGiuèl Quarries, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
5.3km (3.3 miles) ⓘBraccia Mountain, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
5.6km (3.5 miles) ⓘAlpe Girosso, Braccia Mountain, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
6.2km (3.9 miles) ⓘBagnada-Ponticelli Mine (ex-Bolognini Mine; ex-Unitalc Mine), Lanzada, Sondrio Province, Lombardy, Italy
6.3km (3.9 miles) ⓘLagazzuolo, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
7.3km (4.5 miles) ⓘSferlùn asbestos mine, Vallone del Cengiaccio (Cengiaccio; Cengiàsc; Cengiasco), Lanzada, Sondrio Province, Lombardy, Italy
7.3km (4.5 miles) ⓘDossi di Franscia, Franscia, Lanzada, Sondrio Province, Lombardy, Italy
7.3km (4.5 miles) ⓘAcquanegra asbestos mines (Costòn d’Acquanegra; Acquanera asbestos mines), Lanzada, Sondrio Province, Lombardy, Italy
References
Sigismund, P. (1949) Titanclinohumite, olivine e ripidolite di Valmalenco. Atti Soc. Ital. Sci. Nat., 88, 145-171.
Bedognè, F., Montrasio, A., and Sciesa, E. (1993) I Minerali Della Provincia Di Sondrio: Valmalenco. Bettini, Sondrio, Italia, 275 pp.
 
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: September 8, 2026 12:03:33
Go to top of page