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
Fremington Edge Chert Mine and Workings, Reeth, Fremington and Healaugh, Richmondshire, North Yorkshire, England, UK


Locality type:Workings
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Fremington Edge Chert Mine and Workings, Reeth, Fremington and Healaugh, Richmondshire, North Yorkshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:937296
Long-form Identifier:1:3:937296:2
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
3.2km (2.0 miles) ⓘCalver Hill, Reeth, Fremington and Healaugh, Richmondshire, North Yorkshire, England, UK
9.1km (5.7 miles) ⓘWinterings Edge, Gunnerside Gill (Gunnerside Ghyll), Melbecks, Richmondshire, North Yorkshire, England, UK
46.7km (29.0 miles) ⓘSikehead Mine, Hunstanworth, County Durham, England, UK
47.4km (29.4 miles) ⓘWhiteheaps Mine, Hunstanworth, County Durham, England, UK
50.9km (31.6 miles) ⓘShildon Mines, Blanchland, Northumberland, England, UK
51.0km (31.7 miles) ⓘReeding Mine, Blanchland, Northumberland, England, UK
70.3km (43.7 miles) ⓘEycott Hill, Patterdale, Eden, Cumbria, England, UK
70.3km (43.7 miles) ⓘFalcon Crag, Patterdale, Eden, Cumbria, England, UK
79.5km (49.4 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
81.1km (50.4 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
References
Render, Paul (n.d.) Paul Render Collection.
 
and/or  
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