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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Quartzite from
Cago No. 12 Claim, Lemhi Pass Mining District, Lemhi County, Idaho, USA


Locality type:Claim
Classification
Type:Quartzite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartzite data
Locality Data:Click here to view Cago No. 12 Claim, Lemhi Pass Mining District, Lemhi County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:1050176
Long-form Identifier:1:3:1050176:6
GUID (UUID V4):0
Nearest other occurrences of Quartzite
0.4km (0.3 miles) ⓘNo. 50 Thorium Deposit, McDevitt Mining District, Lemhi County, Idaho, USA
0.6km (0.4 miles) ⓘUnnamed Th occurrence [5] (Staatz Location No. 53), Lemhi Pass Mining District, Beaverhead County, Montana, USA
0.6km (0.4 miles) ⓘNo. 53 Thorium Deposit, Lemhi Pass Mining District, Lemhi County, Idaho, USA
0.7km (0.4 miles) ⓘContact Prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA
0.8km (0.5 miles) ⓘCago No. 10 Occurrence (Staatz Location No. 51), Lemhi Pass Mining District, Beaverhead County, Montana, USA
0.9km (0.6 miles) ⓘBig Lost Nos. 1 and 2 Prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA
0.9km (0.6 miles) ⓘThree and One Claim, McDevitt Mining District, Lemhi County, Idaho, USA
1.0km (0.6 miles) ⓘNo. 38 Thorium Deposit, Lemhi Pass Mining District, Lemhi County, Idaho, USA
1.0km (0.6 miles) ⓘUnnamed Th occurrence [6] (Staatz Location No. 55), Lemhi Pass Mining District, Beaverhead County, Montana, USA
1.1km (0.7 miles) ⓘUnnamed Th occurrence [7] (Staatz Location No. 56), Lemhi Pass Mining District, Beaverhead County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gillerman, Virginia S.; Jercinovic, Michael J.; Schmitz, Mark D. (2025) Neodymium-Rich Monazite of the Lemhi Pass District, Idaho and Montana: Chemistry and Geochronology. Minerals, 15 (11). doi:10.3390/min15111156
 
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