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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Quartz from
Old Combe Martin Mine, Combe Martin, North Devon, Devon, England, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Old Combe Martin Mine, Combe Martin, North Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:322184
Long-form Identifier:1:3:322184:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.8km (0.5 miles) ⓘKnap Down Mine, Combe Martin, North Devon, Devon, England, UK
1.7km (1.1 miles) ⓘLester Point, Combe Martin, North Devon, Devon, England, UK
2.5km (1.5 miles) ⓘSherry Combe, Combe Martin, North Devon, Devon, England, UK
7.2km (4.5 miles) ⓘHeddons Mouth, Martinhoe, North Devon, Devon, England, UK
8.8km (5.5 miles) ⓘWest Woody Bay, Woody Bay, Martinhoe, North Devon, Devon, England, UK
10.5km (6.5 miles) ⓘLee Bay, Martinhoe, North Devon, Devon, England, UK
16.6km (10.3 miles) ⓘEisen Hill Mines (incl. Molds Mine; Hoe Combe Mine), Braunton, North Devon, Devon, England, UK
17.0km (10.6 miles) ⓘEast Combe Mine (Coombe Valley Consols; Swymbridge Mine), Swimbridge, North Devon, Devon, England, UK
17.1km (10.6 miles) ⓘBestridge quarry, Swimbridge, North Devon, Devon, England, UK
18.5km (11.5 miles) ⓘHigh Down Quarry, West Buckland, North Devon, Devon, England, UK
References
Observed 2005
 
and/or  
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