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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Schist from
Copper Cliff Mine, Rochford Mining District, Pennington County, South Dakota, USA


Locality type:Mine
Classification
Type:Schist
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schist data
Locality Data:Click here to view Copper Cliff Mine, Rochford Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:1048424
Long-form Identifier:1:3:1048424:7
GUID (UUID V4):0
Nearest other occurrences of Schist
2.1km (1.3 miles) ⓘMarigold Mine, Rochford Mining District, Pennington County, South Dakota, USA
3.1km (1.9 miles) ⓘBee Mine (Climax; Solnar; Copper Reef Nos. 1 and 2; Black Hills Copper Company), Rochford Mining District, Pennington County, South Dakota, USA
5.1km (3.2 miles) ⓘDivide & Ridge Mercedes Group (Apex; Apex No. 4; Hidden Gem; Apex No. 8), Rochford Mining District, Pennington County, South Dakota, USA
5.4km (3.4 miles) ⓘYellow Bird Mine (Dexter Lode), Rochford Mining District, Pennington County, South Dakota, USA
5.6km (3.5 miles) ⓘKing of the West (North Star), Rochford Mining District, Pennington County, South Dakota, USA
7.9km (4.9 miles) ⓘGolden West Mine (Benedict Property), Rochford Mining District, Pennington County, South Dakota, USA
8.2km (5.1 miles) ⓘMary Belle Mine, Rochford Mining District, Pennington County, South Dakota, USA
8.4km (5.2 miles) ⓘMontana Mine, Rochford Mining District, Lawrence County, South Dakota, USA
8.9km (5.5 miles) ⓘMontezuma Mine (Montezuma Nos. 3 to 7; Red Jim; New Montezuma), Rochford Mining District, Pennington County, South Dakota, USA
9.6km (6.0 miles) ⓘCochrane Mine (Lookout Property; Mineral Group; Alta Lodi Mining Company Mine), Rochford Mining District, Pennington County, South Dakota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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