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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Chert from
Penobscot Mine (U S Steel Corp), Saint Louis County, Minnesota, USA


Locality type:Mine
Classification
Type:Chert
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chert data
Locality Data:Click here to view Penobscot Mine (U S Steel Corp), Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:503643
Long-form Identifier:1:3:503643:1
GUID (UUID V4):0
Nearest other occurrences of Chert
0.3km (0.2 miles) ⓘPierce Group Mine (Impro A Mine; Impro B Reserve; Roy Mine; Norpac Mine), Saint Louis County, Minnesota, USA
0.6km (0.3 miles) ⓘRust Mine, Mahoning-Hull-Rust Mine, Hibbing, Saint Louis County, Minnesota, USA
0.6km (0.4 miles) ⓘMahoning-Hull-Rust Mine, Hibbing, Saint Louis County, Minnesota, USA
0.7km (0.4 miles) ⓘHull Mine, Mahoning-Hull-Rust Mine, Hibbing, Saint Louis County, Minnesota, USA
0.7km (0.4 miles) ⓘSouth Rust Mine (Syracuse Mining Company; P-M & Company Agt), Saint Louis County, Minnesota, USA
0.8km (0.5 miles) ⓘAlworth Land Mine (Hanna Mining Company; Hanna Mining Company Agt), Saint Louis County, Minnesota, USA
1.0km (0.6 miles) ⓘAgnew Mine (Syracuse Mining Company; P-M & Company Agt), Saint Louis County, Minnesota, USA
1.0km (0.7 miles) ⓘMahoning Mine (Prince Edward Mine; P-M & Company Agt; Mahoning Ore & Steel Company), Saint Louis County, Minnesota, USA
1.3km (0.8 miles) ⓘHibbing Taconite Mine, Saint Louis County, Minnesota, USA
1.3km (0.8 miles) ⓘScranton Mine (Elizabeth Mine; State of Minnesota), Saint Louis County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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