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


Locality type:Mine
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Garlidna Mine, Garlidna United Mines, Porkellis, Wendron, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:705095
Long-form Identifier:1:3:705095:4
GUID (UUID V4):0
Nearest other occurrences of Amethyst
7.2km (4.5 miles) ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
8.0km (5.0 miles) ⓘWheal Uny, Redruth, Cornwall, England, UK
8.6km (5.3 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
8.9km (5.5 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
9.2km (5.7 miles) ⓘEast Pool Mine, Pool, Carn Brea, Cornwall, England, UK
9.3km (5.8 miles) ⓘWheal Grambler (East Wheal Sparnon), St Day, Cornwall, England, UK
9.3km (5.8 miles) ⓘPednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK
9.9km (6.2 miles) ⓘAle and Cakes Mine, United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
10.9km (6.7 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
12.4km (7.7 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
References
Bernie Millington
 
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