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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Tyrrellite from
Hope's Nose, Torquay, Torbay, Devon, England, UK


09946960017369261839407.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
07044700017369261856190.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
06460550017369261844429.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
00233730017362237963836.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
07044700017369261856190.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
06460550017369261844429.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
09946960017369261839407.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
07044700017369261856190.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
06460550017369261844429.jpg
Tyrrellite, etc.

Hope's Nose, Torquay, Torbay, Devon, England, UK
Locality type:Headland
Classification
Species:Tyrrellite
Formula:Cu(Co,Ni)2Se4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Clausthalite10
Penroseite8
Calcite7
Klockmannite4
Native Gold3
Umangite2
Tiemannite2
Data
Mineral Data:Click here to view Tyrrellite data
Locality Data:Click here to view Hope's Nose, Torquay, Torbay, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:11325
Long-form Identifier:1:3:11325:2
GUID (UUID V4):0
References
Stanley, C. J., Criddle, A. J., Lloyd, D. (1990) Precious and base metal selenide mineralization at Hope's Nose, Torquay, Devon. Mineralogical Magazine, 54 (376) 485-493 doi:10.1180/minmag.1990.054.376.13
Camm, Simon (1995) Gold in the Counties of Cornwall & Devon. Cornish Hillside Publications, St. Austell, Cornwall.
 
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