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It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Phlogopite from
Monastery Mine, Clocolan, Setsoto Local Municipality, Thabo Mofutsanyane District Municipality, Free State, South Africa


Locality type:Mine
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Monastery Mine, Clocolan, Setsoto Local Municipality, Thabo Mofutsanyane District Municipality, Free State, South Africa
Data Identifiers
Mindat Occurrence Record ID:262495
Long-form Identifier:1:3:262495:2
GUID (UUID V4):0
Nearest other occurrences of Phlogopite
82.5km (51.3 miles) ⓘStar Mine, Theunissen kimberlite field, Theunissen, Masilonyana Local Municipality, Lejweleputswa District Municipality, Free State, South Africa
86.8km (53.9 miles) ⓘTheunissen kimberlite field, Theunissen, Masilonyana Local Municipality, Lejweleputswa District Municipality, Free State, South Africa
References
Field, Matthew; Stiefenhofer, Johann; Robey, Jock; Kurszlaukis, Stephan (2008) Kimberlite-hosted diamond deposits of southern Africa: A review. Ore Geology Reviews, 34 (1-2). 33-75 doi:10.1016/j.oregeorev.2007.11.002
Kamenetsky, Vadim S., Belousova, Elena A., Giuliani, Andrea, Kamenetsky, Maya B., Goemann, Karsten, Griffin, William L. (2014) Chemical abrasion of zircon and ilmenite megacrysts in the Monastery kimberlite: Implications for the composition of kimberlite melts. Chemical Geology, 383. 76-85 doi:10.1016/j.chemgeo.2014.06.008
 
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