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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Langite from
Wheal Mary Ann, Menheniot, Cornwall, England, UK


08142940017272728681474.jpg
Langite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
08142940017272728681474.jpg
Langite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
08142940017272728681474.jpg
Langite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
Locality type:Mine
Classification
Species:Langite
Formula:Cu4(SO4)(OH)6 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Langite data
Locality Data:Click here to view Wheal Mary Ann, Menheniot, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:525334
Long-form Identifier:1:3:525334:0
GUID (UUID V4):0
Nearest other occurrences of Langite
7.0km (4.3 miles) ⓘNew West Caradon Mine, West Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
7.3km (4.5 miles) ⓘHallets Shaft, West Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
7.3km (4.5 miles) ⓘWest Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
7.3km (4.5 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
7.5km (4.7 miles) ⓘGonamena Mine, St Cleer, Cornwall, England, UK
9.2km (5.7 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
10.2km (6.3 miles) ⓘSharptor Mine (West Sharptor Mine), Sharptor, Linkinhorne, Cornwall, England, UK
11.1km (6.9 miles) ⓘHolmbush Mine, Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
14.8km (9.2 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
15.4km (9.6 miles) ⓘWheal Edward, Drakewalls, Calstock, Cornwall, England, UK
References
Tony Aldworth collection
 
and/or  
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