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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Valentinite from
Poltreworgey Mine, St Endellion, Cornwall, England, UK


07994420017373333601935.jpg
Valentinite, etc.

Poltreworgey Mine, St Endellion, Cornwall, England, UK
07994420017373333601935.jpg
Valentinite, etc.

Poltreworgey Mine, St Endellion, Cornwall, England, UK
05628140017271997635146.jpg
Valentinite, etc.

Poltreworgey Mine, St Endellion, Cornwall, England, UK
Locality type:Mine
Classification
Species:Valentinite
Formula:Sb2O3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Senarmontite1
Data
Mineral Data:Click here to view Valentinite data
Locality Data:Click here to view Poltreworgey Mine, St Endellion, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:218403
Long-form Identifier:1:3:218403:6
GUID (UUID V4):0
Nearest other occurrences of Valentinite
0.8km (0.5 miles) ⓘBodannon Mine, Trewetha, St Endellion, Cornwall, England, UK
0.9km (0.6 miles) ⓘTreore Mine, St Endellion, Cornwall, England, UK
1.2km (0.7 miles) ⓘTrevinnick Mine, St Kew, Cornwall, England, UK
4.2km (2.6 miles) ⓘPort Quin Mine, Port Quin, St Minver, Cornwall, England, UK
4.4km (2.8 miles) ⓘPort Quin Beach, Port Quin, St Minver, Cornwall, England, UK
38.5km (23.9 miles) ⓘCutlinwith Farm, Landrake, Saltash, Cornwall, England, UK
40.9km (25.4 miles) ⓘWheal Leigh (Wheal Lee; Wheal Lea; Leigh Durant Mine), Pillaton, Cornwall, England, UK
References
Steve Rust collection
 
and/or  
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