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

Prehnite from
Huneberg Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany


07549830017750900719664.jpg
Prehnite

Huneberg Quarry, Harz, Goslar District, Lower Saxony, Germany
04060220017750900729107.jpg
Prehnite

Huneberg Quarry, Harz, Goslar District, Lower Saxony, Germany
01235350017747747944597.jpg
Prehnite

Huneberg Quarry, Harz, Goslar District, Lower Saxony, Germany
05868810017747747948131.jpg
Prehnite

Huneberg Quarry, Harz, Goslar District, Lower Saxony, Germany
01235350017747747944597.jpg
Prehnite

Huneberg Quarry, Harz, Goslar District, Lower Saxony, Germany
05868810017747747948131.jpg
Prehnite

Huneberg Quarry, Harz, Goslar District, Lower Saxony, Germany
Locality type:Quarry
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Comments:As aggregates and individual crystals, but also as rock-forming mineral in basalt.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Huneberg Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:30719
Long-form Identifier:1:3:30719:8
GUID (UUID V4):0
Nearest other occurrences of Prehnite
3.0km (1.8 miles) ⓘGabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany
11.5km (7.1 miles) ⓘKönigskopf Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
13.9km (8.6 miles) ⓘHeimberg quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
15.6km (9.7 miles) ⓘClaus-Friedrich Mine, Beerberg, St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
16.6km (10.3 miles) ⓘWormke bend, Schierke, Wernigerode, Harz, Saxony-Anhalt, Germany
16.7km (10.4 miles) ⓘWäschegrund Quarry, St Andreasberg Mining District, Lower Saxony, Germany
References
Meyer T., Schuster, A.K., Dietrichs, J. (1987) Geologie und Mineralien des Diabas-Steinbruchs Huneberg im Harz. Emser Hefte 11(2): 49-56.
Baumgärtl, U. (2014) Der Diabassteinbruch Huneberg im Oberharz. Der Aufschluss, 65 (4), 240-260.
 
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 08:06:55
Go to top of page