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

Kerhonkson, Wawarsing, Ulster County, New York, USAi
Regional Level Types
Kerhonkson- not defined -
WawarsingTown
Ulster CountyCounty
New YorkState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
05691680017272053565034.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
01831490017272053566170.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
05378300017272017812742.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
05691680017272053565034.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
01831490017272053566170.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
05378300017272017812742.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
05691680017272053565034.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
01831490017272053566170.jpg
Gypsum

Kerhonkson, Wawarsing, Ulster County, New York, USA
Latitude & Longitude (WGS84):
41° 46' 27'' North , 74° 18' 12'' West
Latitude & Longitude (decimal):
41.77444,-74.30361
GeoHash:
G#: dr7jthvcb
GRN:
N28W41
Köppen climate type:
Dfa : Hot-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Kerhonkson1,684 (2017)0.4km
Wawarsing12,925 (2017)4.8km
Accord562 (2017)6.3km
Napanoch1,174 (2017)6.6km
Brownville1,023 (2017)7.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mid-Hudson Valley Gem and Mineral Society Inc.Poughkeepsie, New York33km
Orange County Mineral SocietyMiddletown, New York38km
Mindat Locality ID:
31012
Long-form identifier:
mindat:1:2:31012:2
GUID (UUID V4):
0


Doubly-terminated gypsum crystals could be hand dug from a clay embankment before the locality was developed for a building.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

ⓘ Gypsum
Formula: CaSO4 · 2H2O
✪ Gypsum var. Selenite
Formula: CaSO4 · 2H2O
Colour: Colorless with slight brown tint from clay inclusions
Fluorescence: blue-green under SW UV with afterglow
Description: Doubly-terminated crystals could be easily excavated by hand tools from a clay embankment on US Route 209 before the site was lost. Typically the clear crystals have an hourglass inclusion of clay and one or more hoppered terminal faces. 6 cm is a good length.
References:
Min News 21:8 p 11

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘvar. Selenite7.CD.40CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Gypsum var. SeleniteCaSO4 · 2H2O
OOxygen
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ Gypsum var. SeleniteCaSO4 · 2H2O
SSulfur
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ Gypsum var. SeleniteCaSO4 · 2H2O
CaCalcium
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Gypsum var. SeleniteCaSO4 · 2H2O

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Mineral News, 21(8): 11
Quick NavTopMineral ListOther RegionsReferences
 
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 13:57:08 Page updated: August 14, 2025 17:00:02
Go to top of page