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!
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Goethite from
Grasshill Mine, Harwood, Forest and Frith, County Durham, England, UK


02576160017272019602242.jpg
Goethite

Grasshill Mine, Harwood, Forest and Frith, County Durham, England, UK
02576160017272019602242.jpg
Goethite

Grasshill Mine, Harwood, Forest and Frith, County Durham, England, UK
02576160017272019602242.jpg
Goethite

Grasshill Mine, Harwood, Forest and Frith, County Durham, England, UK
Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Grasshill Mine, Harwood, Forest and Frith, County Durham, England, UK
Data Identifiers
Mindat Occurrence Record ID:243159
Long-form Identifier:1:3:243159:8
GUID (UUID V4):0
Nearest other occurrences of Goethite
5.4km (3.3 miles) ⓘLangdon Beck Mine, Forest and Frith, County Durham, England, UK
5.8km (3.6 miles) ⓘCarricks Mine, Ireshopeburn, Stanhope, County Durham, England, UK
7.7km (4.8 miles) ⓘBurtree Slits, Cowshill, Stanhope, County Durham, England, UK
9.5km (5.9 miles) ⓘPike Law Mines, Newbiggin, County Durham, England, UK
10.5km (6.5 miles) ⓘBrownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor, Eden, Cumbria, England, UK
10.6km (6.6 miles) ⓘMiddlehope Shield Mine, Westgate, Stanhope, County Durham, England, UK
10.6km (6.6 miles) ⓘSlitt Pasture Mine, Westgate, Stanhope, County Durham, England, UK
10.8km (6.7 miles) ⓘWest Rigg Quarry, Westgate, Stanhope, County Durham, England, UK
11.1km (6.9 miles) ⓘRigg Mine, Westgate, Stanhope, County Durham, England, UK
11.6km (7.2 miles) ⓘPark Burn Opencut, Westgate, Stanhope, County Durham, England, UK
References
Bridges, T. F., Young, B. (1998) Supergene minerals of the Northern Pennine Orefield - A review. Journal of the Russell Society, 7 (1). 3-14
 
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