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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Polyhalite from
Rough Gas Field, North Sea


Locality type:Gas Field
Classification
Species:Polyhalite
Formula:K2Ca2Mg(SO4)4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Polyhalite data
Locality Data:Click here to view Rough Gas Field, North Sea
Data Identifiers
Mindat Occurrence Record ID:213960
Long-form Identifier:1:3:213960:9
GUID (UUID V4):0
Nearest other occurrences of Polyhalite
61.0km (37.9 miles) ⓘFordon, Wold Newton, East Riding of Yorkshire, England, UK
84.8km (52.7 miles) ⓘYork Potash borehole SM4, LCPs of Fylingdales and Hawsker-cum-Stainsacre, Scarborough, North Yorkshire, England, UK
90.5km (56.2 miles) ⓘYork Potash borehole SM6, Sneaton, Scarborough, North Yorkshire, England, UK
90.7km (56.4 miles) ⓘYork Potash borehole SM1, Hawsker-cum-Stainsacre, Scarborough, North Yorkshire, England, UK
90.9km (56.5 miles) ⓘYork Potash borehole SM3, Sneaton, Scarborough, North Yorkshire, England, UK
92.0km (57.1 miles) ⓘWoodsmith Mine, Sneaton, Scarborough, North Yorkshire, England, UK
93.6km (58.2 miles) ⓘYork Potash borehole SM2, Eskdaleside cum Ugglebarnby, Scarborough, North Yorkshire, England, UK
94.9km (59.0 miles) ⓘEskdale No. 3 borehole (Sleights), Eskdaleside cum Ugglebarnby, Scarborough, North Yorkshire, England, UK
96.9km (60.2 miles) ⓘEskdale No. 2 borehole (Aislaby), Aislaby, Scarborough, North Yorkshire, England, UK
References
 
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