Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Phlogopite from
Skåtøy, Kragerø Archipelago, Kragerø, Telemark, Norway


Locality type:Island
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 Skåtøy, Kragerø Archipelago, Kragerø, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:1872808
Long-form Identifier:1:3:1872808:6
GUID (UUID V4):0
References
Jørgensen, P.; Rosenqvist, I.T. (1963) Replacement and bonding conditions for alkali ions and hydrogen in dioctahedral and trioctahedral micas. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 43 (4). 497-536 sample of phlogopite from Skåtøy used in the study
 
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