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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Werdingite from
Almgjotheii, Flatestøl, Lund, Rogaland, Norway


Locality type:Outcrop
Classification
Species:Werdingite
Formula:(Mg,Fe)2Al14Si4B4O37
Comments:Fe-werdingite, associated with grandidierite and Ti-poor dumortierite.
600-700°C, 3-4 kb. It occurs commonly intergrown with grandidierite
Habit:bundles of 2-3 mm long subparallell or radiating prisms
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Werdingite data
Locality Data:Click here to view Almgjotheii, Flatestøl, Lund, Rogaland, Norway
Data Identifiers
Mindat Occurrence Record ID:57497
Long-form Identifier:1:3:57497:6
GUID (UUID V4):0
References
Grew, Edward S., Yates, Martin G., Huijsmans, Joep P. P., McGee, James J., Shearer, Charles K., Wiedenbeck, Michael, Rouse, Roland C. (1998) Werdingite, a borosilicate new to granitic pegmatites. The Canadian Mineralogist, 36 (2) 399-414
 
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