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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Pyrite from
Grøsli Mine, Flesberg, Buskerud, Norway


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Grøsli Mine, Flesberg, Buskerud, Norway
Data Identifiers
Mindat Occurrence Record ID:1239473
Long-form Identifier:1:3:1239473:5
GUID (UUID V4):0
Nearest other occurrences of Pyrite
1.3km (0.8 miles) ⓘFoss Prospect, Flesberg, Buskerud, Norway
3.8km (2.4 miles) ⓘÅsland Mine, Vinoren Northern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway
4.4km (2.7 miles) ⓘGardaas Prospect, Vinoren Northern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway
6.2km (3.8 miles) ⓘSkartjern Prospect, Vinoren Northern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway
6.5km (4.1 miles) ⓘSkartjern West Mine, Vinoren Northern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway
7.8km (4.9 miles) ⓘTrehørningen, Holtefjell Mining Field, Flesberg, Buskerud, Norway
8.5km (5.3 miles) ⓘNorthern Ravnås Prospect, Vinoren Southern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway
9.2km (5.7 miles) ⓘKlaus adit, Vinoren Southern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway
9.4km (5.8 miles) ⓘØyvatnet, Holtefjell Mining Field, Flesberg, Buskerud, Norway
9.4km (5.8 miles) ⓘSvene Quarry, Svene, Flesberg, Buskerud, Norway
References
(2019) Deposit Area 631 - 003. Grøsli gruve. The Ore Database, Geological Survey of Norway.
Larsen, Knut Edvard (2025) «15 cm store krystaller» – fra et besøk i Grøsli gruve, Flesberg i Numedal ["15 cm large crystals" – from a visit to Grøsli mine, Flesberg in Numedal]. STEIN. Magasin for populærgeologi, 52 (4). 14-17
 
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