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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Heulandite Subgroup from
McGowan Creek, Lane County, Oregon, USA


Locality type:Creek
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view McGowan Creek, Lane County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:113899
Long-form Identifier:1:3:113899:3
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
3.4km (2.1 miles) ⓘM-120, Springfield, Lane County, Oregon, USA
7.9km (4.9 miles) ⓘBuck Mountain, Springfield, Lane County, Oregon, USA
11.1km (6.9 miles) ⓘShotgun Creek, Lane County, Oregon, USA
11.2km (7.0 miles) ⓘShotgun Creek, Linn County, Oregon, USA
14.6km (9.1 miles) ⓘSpringfield Quarry, Springfield, Lane County, Oregon, USA
16.1km (10.0 miles) ⓘMount Pisgah, Springfield, Lane County, Oregon, USA
31.7km (19.7 miles) ⓘCalapooya River, Dollar, Linn County, Oregon, USA
39.6km (24.6 miles) ⓘLorane Quarry, Lorane, Lane County, Oregon, USA
40.1km (24.9 miles) ⓘDorena Dam, Cottage Grove, Lane County, Oregon, USA
44.2km (27.5 miles) ⓘCascadia, Linn County, Oregon, USA
References
Micro Probe Volume VI Number 4
 
and/or  
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