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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Rock Crystal from
Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK


Locality type:Mine
Classification
Species:Quartz var: Rock Crystal
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rock Crystal data
Locality Data:Click here to view Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:548366
Long-form Identifier:1:3:548366:2
GUID (UUID V4):0
Nearest other occurrences of Rock Crystal
0.7km (0.4 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
0.7km (0.4 miles) ⓘUnited Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
2.8km (1.7 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
4.4km (2.7 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
4.8km (3.0 miles) ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
5.6km (3.5 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
6.8km (4.2 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
7.2km (4.4 miles) ⓘEast Pool Mine, Pool, Carn Brea, Cornwall, England, UK
8.0km (5.0 miles) ⓘNorth Wheal Crofty, Pool, Carn Brea, Cornwall, England, UK
8.1km (5.0 miles) ⓘWheal Tye, Wheal Lushington (West Wheal Towan), Porthtowan, St Agnes, Cornwall, England, UK
References
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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