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

Grasshill Mine, Harwood, Forest and Frith, County Durham, England, UKi
Regional Level Types
Grasshill MineMine
HarwoodVillage
Forest and FrithCivil Parish
County DurhamCounty
EnglandConstituent Country
UKCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
54° 42' 27'' North , 2° 17' 30'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
NY812348
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Alston1,105 (2018)14.7km
Middleton in Teesdale934 (2017)16.3km
Stanhope1,602 (2017)18.3km
Mickleton413 (2017)19.1km
Appleby-in-Westmorland3,048 (2017)19.3km
Mindat Locality ID:
4914
Long-form identifier:
mindat:1:2:4914:9
GUID (UUID V4):
0


This is Coldberry north-west of Langdon Common, NOT Coldberry, Eggleshope.
The Grid Ref. is that given in Dunham (several others are a bit doubtful) and puts the locality the other side of the main road from the workings at Grasshill Farm, which might be the true location of the mine of this name.
Grid ref is for Hawksike Hush.
Above the road there are extensive workings extending up to the watershed with Weardale.
NY827357 is a hush on one of the Coldberry End Veins alongside the Grasshill Causeway, primary tabular barite and fluorite and epimorphs in goethite after fluorite to be seen here
NY 827355 is another hush on the other Coldberry End Vein.
NY 826351 The site of Coldberry Shop Level marked by a large grassed over tip and ruined mineshop.
NY 817356 Highfield Hushes

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

9 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
References:
Roger Bade collectionIdentified by Paul De Bondt: Visual Identification
Calcite
Formula: CaCO3
References:
Roger Bade collectionIdentified by Paul De Bondt: Visual Identification
Cerussite
Formula: PbCO3
Fluorite
Formula: CaF2
Galena
Formula: PbS
Goethite
Formula: Fe3+O(OH)
Pyromorphite
Formula: Pb5(PO4)3Cl
Quartz
Formula: SiO2
Siderite
Formula: FeCO3

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Cerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Pyromorphite8.BN.05Pb5(PO4)3Cl

List of minerals for each chemical element

HHydrogen
H GoethiteFe3+O(OH)
CCarbon
C CalciteCaCO3
C CerussitePbCO3
C SideriteFeCO3
OOxygen
O BaryteBaSO4
O CalciteCaCO3
O CerussitePbCO3
O GoethiteFe3+O(OH)
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O SideriteFeCO3
FFluorine
F FluoriteCaF2
SiSilicon
Si QuartzSiO2
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S BaryteBaSO4
S GalenaPbS
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
FeIron
Fe GoethiteFe3+O(OH)
Fe SideriteFeCO3
BaBarium
Ba BaryteBaSO4
PbLead
Pb CerussitePbCO3
Pb GalenaPbS
Pb PyromorphitePb5(PO4)3Cl

Localities in this Region

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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.
 
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 04:18:54 Page updated: August 18, 2025 09:04:49
Go to top of page