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
Fatwork Mine, East Wheal Lovell (incl. Tregonebris Mine), Trewennack, Wendron, Cornwall, 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 Fatwork Mine, East Wheal Lovell (incl. Tregonebris Mine), Trewennack, Wendron, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:690352
Long-form Identifier:1:3:690352:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.2km (0.8 miles) ⓘGarlidna Mine, Garlidna United Mines, Porkellis, Wendron, Cornwall, England, UK
1.6km (1.0 miles) ⓘSouth Wendron Mine (South Wheal Lovell; Lovell Consols), Trewennack, Wendron, Cornwall, England, UK
1.7km (1.1 miles) ⓘBassett & Grylls Mine (Porkellis Mine; Porkellis Tin Mines; Wheal Jantar; Balwath Mine), Porkellis, Wendron, Cornwall, England, UK
2.1km (1.3 miles) ⓘWheal Roots (Poldark Mine), Trenear, Wendron, Cornwall, England, UK
2.2km (1.4 miles) ⓘWheal Enys (Wheal Vernon), Porkellis, Wendron, Cornwall, England, UK
2.5km (1.5 miles) ⓘBalcoath, Porkellis, Wendron, Cornwall, England, UK
2.7km (1.7 miles) ⓘBalmynheer Mine, Porkellis, Wendron, Cornwall, England, UK
2.9km (1.8 miles) ⓘWheal Ann, Boderwennack, Wendron, Cornwall, England, UK
3.3km (2.0 miles) ⓘWheal Trumpet (Trumpet Consols), Boderwennack, Wendron, Cornwall, England, UK
3.5km (2.2 miles) ⓘRoselidden mine, Wendron, Cornwall, England, UK
References
Dominy, S.C., Camm, G.S., and Bussell, M.A. (1996): Proceedings of the Ussher Society 9, 97-104.
 
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