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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Rittmannite from
Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal


06956520017368330067119.jpg
Rittmannite, etc.

Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
06001600017368330071231.jpg
Rittmannite

Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
01515830017272038523668.jpg
Rittmannite, etc.

Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
04616850017272033902478.jpg
Rittmannite

Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
01515830017272038523668.jpg
Rittmannite, etc.

Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
04616850017272033902478.jpg
Rittmannite

Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
Locality type:Mine
Classification
Species:Rittmannite
Formula:{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
Associated Minerals Based on Photo Data:
Mitridatite1
Data
Mineral Data:Click here to view Rittmannite data
Locality Data:Click here to view Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:975099
Long-form Identifier:1:3:975099:9
GUID (UUID V4):0
Nearest other occurrences of Rittmannite
25.2km (15.6 miles) ⓘRegada, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
28.1km (17.5 miles) ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
28.5km (17.7 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
58.6km (36.4 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
58.6km (36.4 miles) ⓘFonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal
References
Pedro Alves analytical data and collection.
 
and/or  
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