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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Smoky Quartz from
Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK


02941060017367427181872.jpg
Smoky Quartz

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
02941060017367427181872.jpg
Smoky Quartz

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
01350600017272006437525.jpg
Smoky Quartz

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
Locality type:Pit
Classification
Species:Quartz var: Smoky Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smoky Quartz data
Locality Data:Click here to view Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:10259
Long-form Identifier:1:3:10259:3
GUID (UUID V4):0
Nearest other occurrences of Smoky Quartz
1.1km (0.7 miles) ⓘGoonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK
5.0km (3.1 miles) ⓘBodelva Pit (Carvear China Clay Works), Bodelva, St Blaise, Cornwall, England, UK
5.8km (3.6 miles) ⓘLittle Treviscoe China Clay Pit (Treviscoe China Clay Works), Treviscoe, St Stephen-in-Brannel, Cornwall, England, UK
5.9km (3.7 miles) ⓘColcerrow Quarry, Lanlivery, Cornwall, England, UK
8.0km (5.0 miles) ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK
8.4km (5.2 miles) ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK
30.2km (18.8 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
30.8km (19.1 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
31.8km (19.7 miles) ⓘWheal Bray, Altarnun, Cornwall, England, UK
32.5km (20.2 miles) ⓘLower Kergilliack Quarry, Budock, Cornwall, England, UK
References
Tindle, Andy G. (2008) Minerals of Britain and Ireland. Terra Publishing.
 
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