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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Chrysocolla from
Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK


00381560017369156395522.jpg
Chrysocolla

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00381560017369156395522.jpg
Chrysocolla

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
06511720017272000027717.jpg
Chrysocolla

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
Locality type:Mine
Classification
Species:Chrysocolla
Formula:Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chrysocolla data
Locality Data:Click here to view Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:3648
Long-form Identifier:1:3:3648:1
GUID (UUID V4):0
Nearest other occurrences of Chrysocolla
0.4km (0.3 miles) ⓘEast Gunnislake Mine (in part: South Bedford and East Gunnislake Mine), Gunnislake, Calstock, Cornwall, England, UK
11.0km (6.8 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
15.3km (9.5 miles) ⓘMarke Valley Mine, Upton Cross, Linkinhorne, Cornwall, England, UK
16.4km (10.2 miles) ⓘWheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
16.6km (10.3 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
16.8km (10.5 miles) ⓘWest Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
17.1km (10.7 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
17.5km (10.9 miles) ⓘCaradon Consols, Crow's Nest, St Cleer, Cornwall, England, UK
31.3km (19.4 miles) ⓘDruid Mine (New Victoria Mine; Arundell Mine), Ashburton, Teignbridge, Devon, England, UK
71.7km (44.6 miles) ⓘCarnon valley alluvials, Bissoe, Kea, Cornwall, England, UK
References
Smyth, Warington W.; Reeks, Trenham; Rudler, F. W. (1864) A Catalogue of the Mineral Collections in the Museum of Practical Geology. Museum of Practical Geology.
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.
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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