Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of 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

Heulandite Subgroup from
Gneiss quarries, Deutschlandsberg, Deutschlandsberg District, Styria, Austria


Locality type:Quarry
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Gneiss quarries, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:669758
Long-form Identifier:1:3:669758:7
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
4.4km (2.7 miles) ⓘSauerbrunngraben quarries, Stainz, Deutschlandsberg District, Styria, Austria
17.4km (10.8 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
17.7km (11.0 miles) ⓘBasalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria
19.9km (12.4 miles) ⓘAmphibolite quarry, Krumbach, Soboth, Eibiswald, Deutschlandsberg District, Styria, Austria
24.5km (15.2 miles) ⓘGradischkogel, Sankt Vinzenz, Lavamünd, Wolfsberg District, Carinthia, Austria
25.5km (15.9 miles) ⓘHematite Mine, Waldenstein, Wolfsberg, Wolfsberg District, Carinthia, Austria
28.0km (17.4 miles) ⓘA2 motorway tunnel, Übelskogel, Bad Sankt Leonhard im Lavanttal, Wolfsberg District, Carinthia, Austria
28.5km (17.7 miles) ⓘKoglereck quarry, Sankt Vinzenz, Lavamünd, Wolfsberg District, Carinthia, Austria
33.0km (20.5 miles) ⓘBasalt quarry, Kollnitz, Sankt Paul im Lavanttal, Wolfsberg District, Carinthia, Austria
40.5km (25.2 miles) ⓘZgornji Štrihovec, Šentilj, Slovenia
References
Weninger, H. (1976) Mineralfundstellen - Ein Führer zum Selbstsammeln Vol. 5 - Steiermark und Kärnten. Christian Weise Verlag. 231 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 3, 2026 08:11:00
Go to top of page