Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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

Dolomite from
Penfield Quarry, Penfield, Monroe County, New York, USA


05632060017272016865032.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
06070190017272023612557.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
01332680017272023625515.jpg
Dolomite, etc.

Penfield Quarry, Penfield, Monroe County, New York, USA
09499470017272023625337.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
05632060017272016865032.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
06070190017272023612557.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
01332680017272023625515.jpg
Dolomite, etc.

Penfield Quarry, Penfield, Monroe County, New York, USA
09499470017272023625337.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
05632060017272016865032.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
06070190017272023612557.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
01332680017272023625515.jpg
Dolomite, etc.

Penfield Quarry, Penfield, Monroe County, New York, USA
09499470017272023625337.jpg
Dolomite

Penfield Quarry, Penfield, Monroe County, New York, USA
Locality type:Quarry
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Comments:Rhombs line pockets of occur singly, sometimes partly coated with drusy calcite or tiny marcasite crystals.
Habit:rhombohedral
Colour:white to pale pink
Abundance at site:Very common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Calcite12
Fluorite11
Gypsum6
Sphalerite2
Galena1
Marcasite1
Pyrite1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Penfield Quarry, Penfield, Monroe County, New York, USA
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:35183
Long-form Identifier:1:3:35183:4
GUID (UUID V4):0
Nearest other occurrences of Dolomite
11.0km (6.8 miles) ⓘRochester, Monroe County, New York, USA
13.4km (8.3 miles) ⓘWalworth Quarry, Walworth, Wayne County, New York, USA
18.1km (11.2 miles) ⓘBuffalo Road Quarry, North Gates, Gates, Monroe County, New York, USA
44.5km (27.7 miles) ⓘErie Canal excavation, Holly, Murray, Orleans County, New York, USA
76.9km (47.8 miles) ⓘShelby Crushed Stone Quarry, Medina, Orleans County, New York, USA
86.1km (53.5 miles) ⓘSpring Creek, Alden, Erie County, New York, USA
98.2km (61.0 miles) ⓘLockport, Niagara County, New York, USA
References
Jensen, David E. (1942), Minerals of the Lockport dolomite in the vicinity of Rochester, N.Y. Rocks & Minerals: 17(6): 199-203.
 
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 6, 2026 12:35:41
Go to top of page