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

Gypsum from
Riker Hill, Livingston, Livingston, Essex County, New Jersey, USA


Locality type:Hill
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Riker Hill, Livingston, Livingston, Essex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:997392
Long-form Identifier:1:3:997392:3
GUID (UUID V4):0
Nearest other occurrences of Gypsum
10.7km (6.7 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
12.7km (7.9 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
13.3km (8.3 miles) ⓘHoudaille Quarry, Little Falls Township, Passaic County, New Jersey, USA
14.3km (8.9 miles) ⓘUnion Building and Construction Quarry, Woodland Park, Passaic County, New Jersey, USA
16.4km (10.2 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
16.6km (10.3 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
17.0km (10.6 miles) ⓘSchuyler Copper Mine, North Arlington, Bergen County, New Jersey, USA
18.4km (11.4 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
20.0km (12.4 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
20.9km (13.0 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
References
Pollack, Ross (1977) Riker Hill, New Jersey – An Active Collecting Area. Rocks & Minerals, 52 (10). 541-542 doi:10.1080/00357529.1977.11762045
 
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 13:02:03
Go to top of page