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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Macraeite from
Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal


Locality type:Mine
Classification
Species:Macraeite
Formula:K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O
Confirmation
Validity:Valid - Type Locality
Data
Mineral Data:Click here to view Macraeite data
Locality Data:Click here to view Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1616236
Long-form Identifier:1:3:1616236:5
GUID (UUID V4):0
References
Grey, Ian E.; Rewitzer, Christian; Hochleitner, Rupert; Kampf, Anthony R.; Boer, Stephanie; Mumme, William G.; Wilson, Nicholas C. (2024) Macraeite, [(H2O)K]Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10  ⋅  4H2O, a new monoclinic paulkerrite-group mineral, from the Cubos–Mesquitela–Mangualde pegmatite, Portugal. European Journal of Mineralogy, 36 (2). 267-278 doi:10.5194/ejm-36-267-2024
 
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