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
Garlidna Mine, Garlidna United Mines, Porkellis, Wendron, Cornwall, England, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Garlidna Mine, Garlidna United Mines, Porkellis, Wendron, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:705096
Long-form Identifier:1:3:705096:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.6km (0.4 miles) ⓘBassett & Grylls Mine (Porkellis Mine; Porkellis Tin Mines; Wheal Jantar; Balwath Mine), Porkellis, Wendron, Cornwall, England, UK
1.1km (0.7 miles) ⓘWheal Enys (Wheal Vernon), Porkellis, Wendron, Cornwall, England, UK
1.2km (0.8 miles) ⓘFatwork Mine, East Wheal Lovell (incl. Tregonebris Mine), Trewennack, Wendron, Cornwall, England, UK
1.3km (0.8 miles) ⓘBalcoath, Porkellis, Wendron, Cornwall, England, UK
1.7km (1.1 miles) ⓘBalmynheer Mine, Porkellis, Wendron, Cornwall, England, UK
2.0km (1.2 miles) ⓘWheal Roots (Poldark Mine), Trenear, Wendron, Cornwall, England, UK
2.8km (1.7 miles) ⓘSouth Wendron Mine (South Wheal Lovell; Lovell Consols), Trewennack, Wendron, Cornwall, England, UK
3.2km (2.0 miles) ⓘWheal Ann, Boderwennack, Wendron, Cornwall, England, UK
3.5km (2.2 miles) ⓘWheal Trumpet (Trumpet Consols), Boderwennack, Wendron, Cornwall, England, UK
3.9km (2.4 miles) ⓘRoselidden mine, Wendron, Cornwall, England, UK
References
Bernie Millington
 
and/or  
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