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

Chlorite Group from
Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA


Locality type:Quarry
Classification
Species:'Chlorite Group' (not an IMA approved species)
Comments:Occurs in fractures and cavities in Watchung basalt.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite3
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:65257
Long-form Identifier:1:3:65257:5
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
3.0km (1.9 miles) ⓘFeltville Copper mine, Glenside Park (Feltville), Watchung Reservation, Union County, New Jersey, USA
7.8km (4.8 miles) ⓘHoudaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Springfield Township, Union County, New Jersey, USA
11.1km (6.9 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
12.5km (7.8 miles) ⓘHartshorn Quarry, Short Hills, Millburn, Essex County, New Jersey, USA
15.1km (9.4 miles) ⓘMorristown occurrences, Morristown, Morris County, New Jersey, USA
21.9km (13.6 miles) ⓘPine Brook, Montville Township, Morris County, New Jersey, USA
22.7km (14.1 miles) ⓘF.J. Marley Quarry, Verona, Essex County, New Jersey, USA
26.2km (16.3 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
28.8km (17.9 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
29.3km (18.2 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
References
Cummings, Warren (1987) Mineralization at the Fanwood & Summit Quarries, New Jersey. Rocks & Minerals, 62 (3) 150-159 doi:10.1080/00357529.1987.11762647p.155
 
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 13:48:49
Go to top of page