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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Native Bismuth from
Wheal Trugo, Trebudannon, St Columb Major, Cornwall, England, UK


Locality type:Mine
Classification
Species:Native Bismuth
Formula:Bi
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Bismuth data
Locality Data:Click here to view Wheal Trugo, Trebudannon, St Columb Major, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2021
Long-form Identifier:1:3:2021:3
GUID (UUID V4):0
Nearest other occurrences of Native Bismuth
5.7km (3.5 miles) ⓘCastle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
11.4km (7.1 miles) ⓘGreat Dowgas Mine (St Stephen Tin and Copper Mines), Downderry, St Stephen-in-Brannel, Cornwall, England, UK
16.9km (10.5 miles) ⓘCligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK
20.5km (12.7 miles) ⓘRestormel Royal Iron Mine (Trinity Mine), Lostwithiel, Cornwall, England, UK
23.9km (14.8 miles) ⓘLushington Cove, Porthtowan, St Agnes, Cornwall, England, UK
26.0km (16.2 miles) ⓘMr. Beauchamp's cobalt mine, Pengreep, Gwennap, Cornwall, England, UK
26.3km (16.4 miles) ⓘPednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK
26.8km (16.6 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
27.0km (16.7 miles) ⓘWheal Whitfield (North Carn Brea Mine; North Tincroft Mine), Robarts Mine (incl. East Wheal Seton; Wheal Maude), Illogan, Cornwall, England, UK
27.1km (16.8 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
References
Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro.
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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