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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Plagioclase from
Beartrap corundum deposit, Madison County, Montana, USA


Locality type:Deposit
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Beartrap corundum deposit, Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:784505
Long-form Identifier:1:3:784505:5
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
16.6km (10.3 miles) ⓘElk Creek corundum deposit (Montana Mine; Gallatin deposit; Flying D), Gallatin County, Montana, USA
39.3km (24.4 miles) ⓘGilliam prospect, Madison County, Montana, USA
41.6km (25.8 miles) ⓘBrown's Gulch, Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
83.4km (51.8 miles) ⓘDillon Nickel Deposit (Wolf Creek Nickel Deposit), Ruby Mining District, Beaverhead County, Montana, USA
89.8km (55.8 miles) ⓘCamp Creek Corundum Occurrence, Beaverhead County, Montana, USA
91.5km (56.8 miles) ⓘGolden Curry Mine (Sourdough mine; Jacqueline; Jacquemin), Elkhorn Mining District, Jefferson County, Montana, USA
References
Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825
 
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