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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Metavolcanic rock from
Rapasaaret, Kaustinen, Central Ostrobothnia, Finland


Locality type:Pegmatite
Classification
Type:Metavolcanic rock
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Metavolcanic rock data
Locality Data:Click here to view Rapasaaret, Kaustinen, Central Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:1807964
Long-form Identifier:1:3:1807964:3
GUID (UUID V4):0
Nearest other occurrences of Metavolcanic rock
1.6km (1.0 miles) ⓘTuoreetsaaret, Kaustinen, Central Ostrobothnia, Finland
2.0km (1.3 miles) ⓘPäiväneva, Kaustinen, Central Ostrobothnia, Finland
3.1km (1.9 miles) ⓘSyväjärvi, Seinäjoki, South Ostrobothnia, Finland
3.1km (1.9 miles) ⓘSyväjärv, Kaustinen, Central Ostrobothnia, Finland
6.8km (4.2 miles) ⓘLeviäkangas, Kaustinen, Central Ostrobothnia, Finland
15.3km (9.5 miles) ⓘLänttä, Kokkola, Central Ostrobothnia, Finland
19.8km (12.3 miles) ⓘDragbacken, Ostrobothnia, Finland
36.2km (22.5 miles) ⓘKellokallio, Veteli, Central Ostrobothnia, Finland
References
Lynch, Edward P.; Szentpéteri, Krisztián; Andersson, Joel B.H.; Kuusela, Janne; Sadeghi, Martiya; Bauer, Tobias E. (2025) Lithium-caesium-tantalum (LCT) pegmatite mineralization in the Paleoproterozoic central Fennoscandian Shield (Sweden and Finland): A review of geological characteristics and assessment of mineral system commonalities. Ore Geology Reviews, 184. 106739 doi:10.1016/j.oregeorev.2025.106739
 
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