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
Leonard 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 Leonard Mine (U S Steel Corp), Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:503275
Long-form Identifier:1:3:503275:4
GUID (UUID V4):0
Nearest other occurrences of Chert
0.4km (0.2 miles) ⓘGlen Mine (U S Steel Corp), Saint Louis County, Minnesota, USA
0.6km (0.4 miles) ⓘLeonard-Burt Mine, Saint Louis County, Minnesota, USA
0.7km (0.5 miles) ⓘClark Mine (Oliver Iron Mining Company; U S Steel Corp), Saint Louis County, Minnesota, USA
0.8km (0.5 miles) ⓘGodfrey Mine (Wellington Mine), Saint Louis County, Minnesota, USA
0.9km (0.6 miles) ⓘSouth Tener Mine, Saint Louis County, Minnesota, USA
1.1km (0.7 miles) ⓘPillsbury-Brown Mine (U S Steel Corp), Saint Louis County, Minnesota, USA
1.2km (0.7 miles) ⓘPearce Mine (Meriden Engineering), Saint Louis County, Minnesota, USA
1.2km (0.7 miles) ⓘAlexandria Mine (Alexandria-Snyder Mine; Syracuse Mining Company; P-M & Company Agt), Saint Louis County, Minnesota, USA
1.3km (0.8 miles) ⓘChataco Mine (Lamberton Estate et al), Saint Louis County, Minnesota, USA
1.4km (0.9 miles) ⓘMonroe-Tener Mine (Tener Mine), Saint Louis County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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