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
Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA


02523870017363603542914.jpg
Cookeite

Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
06646020017708980243569.jpg
Cookeite, etc.

Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
02523870017363603542914.jpg
Cookeite

Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
09916110017708833477662.jpg
Cookeite, etc.

Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
02523870017363603542914.jpg
Cookeite

Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
09916110017708833477662.jpg
Cookeite, etc.

Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
Locality type:Quarry
Classification
Species:'Chlorite Group' (not an IMA approved species)
Comments:Occurs in Jackfork Sandstone.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:70307
Long-form Identifier:1:3:70307:3
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
4.8km (3.0 miles) ⓘBig Rock Quarry (Big Rock Sandstone Quarry), North Little Rock, Pulaski County, Arkansas, USA
15.0km (9.3 miles) ⓘBig Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
16.4km (10.2 miles) ⓘGranite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
30.8km (19.2 miles) ⓘArkansas Talc Co. Mine (Warner Mine; Duke Warner Mine), Salem, Saline County, Arkansas, USA
40.9km (25.4 miles) ⓘParon, Saline County, Arkansas, USA
41.0km (25.5 miles) ⓘBarber Mine (H. L. Barber Mine), Paron, Saline County, Arkansas, USA
44.5km (27.6 miles) ⓘWillis Mine (Rickards Mine), Paron, Saline County, Arkansas, USA
46.4km (28.9 miles) ⓘFairchild Mine, Paron, Saline County, Arkansas, USA
62.8km (39.0 miles) ⓘMo-Ti Corporation prospect, Magnet Cove, Hot Spring County, Arkansas, USA
63.1km (39.2 miles) ⓘKimzey Calcite Quarry (Calcite Hill), Magnet Cove, Hot Spring County, Arkansas, USA
References
Newsom(1978).
Rocks & Minerals (1988): 63: 122.
 
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 08:06:33
Go to top of page