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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Turquoise from
Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK


03097450017407491407524.jpg
Turquoise, etc.

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
04156610017271969474423.jpg
Rashleighite

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
00777900017271980961902.jpg
Turquoise

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
09191790017271980985881.jpg
Turquoise

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
01343450017407490228913.jpg
Turquoise, etc.

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
04156610017271969474423.jpg
Rashleighite

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
00777900017271980961902.jpg
Turquoise

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
09191790017271980985881.jpg
Turquoise

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
00227430017407878909819.jpg
Turquoise, etc.

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
04156610017271969474423.jpg
Rashleighite

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
08439020017271981049068.jpg
Turquoise

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
09191790017271980985881.jpg
Turquoise

Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
Locality type:Pit
Classification
Species:Turquoise
Formula:CuAl6(PO4)4(OH)8 · 4H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Varlamoffite13
Wavellite13
Arthurite3
Quartz3
Fluorite2
Torbernite1
Cassiterite1
Variscite1
Kaolinite1
Mica Group1
Stannite Group1
Wolframite Group1
Data
Mineral Data:Click here to view Turquoise data
Locality Data:Click here to view Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
Photo GalleryView Gallery (23 photos)
Data Identifiers
Mindat Occurrence Record ID:11287
Long-form Identifier:1:3:11287:3
GUID (UUID V4):0
Nearest other occurrences of Turquoise
0.4km (0.2 miles) ⓘBunny Mine, Stenalees, Treverbyn, Cornwall, England, UK
0.5km (0.3 miles) ⓘHensbarrow China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
7.8km (4.8 miles) ⓘCastle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
8.0km (5.0 miles) ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK
23.5km (14.6 miles) ⓘParson's Park Pit (Parc St Neot Pit), St Neot, Cornwall, England, UK
28.9km (18.0 miles) ⓘWest Phoenix Mine, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
30.0km (18.6 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
30.0km (18.6 miles) ⓘWheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
References
Elton, N. J., Hooper, J.J., Coggon, L. (1996) Morinite from Gunheath China Clay Pit, St Austell, Cornwall. Mineralogical Magazine, 60 (400) 517-518 doi:10.1180/minmag.1996.060.400.14
Elton, N. J. (1998) Barbosalite, frondelite and other phosphates from Gunheath China Clay Pit, St Austell, Cornwall, England. Journal of the Russell Society, 7 (1). 15-18
Tindle, Andy G. (2008) Minerals of Britain and Ireland. Terra Publishing.
 
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