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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Chalcedony from
Whiteheaps Mine, Hunstanworth, County Durham, England, UK


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Whiteheaps Mine, Hunstanworth, County Durham, England, UK
Data Identifiers
Mindat Occurrence Record ID:138342
Long-form Identifier:1:3:138342:3
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
0.9km (0.5 miles) ⓘSikehead Mine, Hunstanworth, County Durham, England, UK
3.6km (2.3 miles) ⓘReeding Mine, Blanchland, Northumberland, England, UK
4.2km (2.6 miles) ⓘShildon Mines, Blanchland, Northumberland, England, UK
46.7km (29.0 miles) ⓘCalver Hill, Reeth, Fremington and Healaugh, Richmondshire, North Yorkshire, England, UK
47.4km (29.4 miles) ⓘFremington Edge Chert Mine and Workings, Reeth, Fremington and Healaugh, Richmondshire, North Yorkshire, England, UK
47.5km (29.5 miles) ⓘWinterings Edge, Gunnerside Gill (Gunnerside Ghyll), Melbecks, Richmondshire, North Yorkshire, England, UK
62.2km (38.6 miles) ⓘRiver Coquet Agate Locality, Alwinton, Northumberland, England, UK
62.9km (39.1 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
64.3km (39.9 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
65.6km (40.8 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
 
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