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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Siderite from
Minntac Mine (Pilotac Mine; U S Steel Corp), Saint Louis County, Minnesota, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Minntac Mine (Pilotac Mine; U S Steel Corp), Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:503437
Long-form Identifier:1:3:503437:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
7.3km (4.5 miles) ⓘRana Mine (Midway Mine), Saint Louis County, Minnesota, USA
10.1km (6.3 miles) ⓘGross-Nelson Mine (Virginia Extension Mine), Saint Louis County, Minnesota, USA
10.2km (6.3 miles) ⓘMinorca Mine (Laurentian Mine; Minorca Taconite Project; Biwabik West), Saint Louis County, Minnesota, USA
10.6km (6.6 miles) ⓘRouchleau Mine, Saint Louis County, Minnesota, USA
10.6km (6.6 miles) ⓘThunderbird Mine (Virginia Mine; Nelson Reserve On-3), Eveleth, Saint Louis County, Minnesota, USA
11.2km (6.9 miles) ⓘWyoming Mine, Saint Louis County, Minnesota, USA
13.7km (8.5 miles) ⓘGruner prospect, Virginia, Saint Louis County, Minnesota, USA
15.0km (9.3 miles) ⓘSherman Mine (Sherman Mines Group; South Fraser Mine), Saint Louis County, Minnesota, USA
19.3km (12.0 miles) ⓘMcKinley Mine (McKinley Group; McKinly Mine), Biwabik Township, Saint Louis County, Minnesota, USA
22.0km (13.7 miles) ⓘWhitney Mine (Iron Range Reserve O-87), Saint Louis County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
55TH INSTITUTE ON LAKE SUPERIOR GEOLOGY (2009) PROCEEDINGS VOLUME 55 p. 70-71
 
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