Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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

Plagioclase from
Martin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA


Locality type:Quarry
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Comments:Occurs as a rock forming mineral in schists, as a major component of certain pegmatites, and as well-formed crystals in ankerite veins.
Colour:white
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Rutile3
Ankerite2
Schorl1
Apophyllite Group1
Fluorapatite1
Ilmenite1
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Martin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:39899
Long-form Identifier:1:3:39899:6
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
11.1km (6.9 miles) Moose Mine, Catawba County, North Carolina, USA
16.4km (10.2 miles) L. G. McCrary prospect, Caldwell County, North Carolina, USA
16.7km (10.4 miles) Abernathy Long Cut Mine, Catawba County, North Carolina, USA
17.0km (10.6 miles) Noah Young Mine, Burke County, North Carolina, USA
20.4km (12.7 miles) Reed Mine, Burke County, North Carolina, USA
20.5km (12.7 miles) Floyd Brittan Mine, Burke County, North Carolina, USA
21.4km (13.3 miles) Tallant prospect, Catawba County, North Carolina, USA
22.6km (14.0 miles) Dagenhart Mine, Alexander County, North Carolina, USA
24.0km (14.9 miles) Hull Mine, Lincoln County, North Carolina, USA
24.8km (15.4 miles) Gwaltney Prospects, Alexander County, North Carolina, USA
References
 
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 4, 2026 11:55:44
Go to top of page