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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Aegirine from
Hillcrest Mine-South (R M Adams Company), Cuyuna North Range, Crow Wing County, Minnesota, USA


Locality type:Mine
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Hillcrest Mine-South (R M Adams Company), Cuyuna North Range, Crow Wing County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:1587955
Long-form Identifier:1:3:1587955:6
GUID (UUID V4):0
Nearest other occurrences of Aegirine
0.6km (0.4 miles) ⓘHillcrest Mine-North (Adams Brothers Company et al), Cuyuna North Range, Crow Wing County, Minnesota, USA
3.4km (2.1 miles) ⓘMerritt No. 1 mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
3.8km (2.4 miles) ⓘFerro Mine (Duluth-Brainerd Mine), Cuyuna North Range, Crow Wing County, Minnesota, USA
4.0km (2.5 miles) ⓘMerritt No. 2 Mine (Gorham Garbert Company), Cuyuna North Range, Crow Wing County, Minnesota, USA
17.9km (11.1 miles) ⓘCuyuna North Range, Crow Wing County, Minnesota, USA
References
Schmidt, R.G. (1963) Geology and ore deposits of the Cuyuna North Range, Minnesota: U.S. Geological Survey Professional Paper 407, 96 p.
 
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