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
Betty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA


Locality type:Mine
Classification
Type:Quartzite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartzite data
Locality Data:Click here to view Betty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1745115
Long-form Identifier:1:3:1745115:0
GUID (UUID V4):0
Nearest other occurrences of Quartzite
36.5km (22.7 miles) ⓘMica-Beryl Mine (MRDS - 10013705), Turret Mining District, Chaffee County, Colorado, USA
37.0km (23.0 miles) ⓘUnnamed Graphite Deposit (MRDS - 10013948), Turret Mining District, Chaffee County, Colorado, USA
41.3km (25.7 miles) ⓘUnnamed Manganese Deposit (MRDS - 10013768), Cleora Mining District, Chaffee County, Colorado, USA
41.6km (25.9 miles) ⓘUnnamed Manganese Deposit (MRDS - 10090938), Cleora Mining District, Chaffee County, Colorado, USA
42.3km (26.3 miles) ⓘUnnamed Manganese Deposit (MRDS - 10087826), Cleora Mining District, Chaffee County, Colorado, USA
43.4km (27.0 miles) ⓘWalter Higham Mine, Cleora Mining District, Chaffee County, Colorado, USA
48.2km (30.0 miles) ⓘDell Prospect (C. B. Dell Prospect), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
57.9km (36.0 miles) ⓘPoncha Pass Claim (3 Claims; Lucky Nos. 1), Poncha Pass Area, Chaffee County, Colorado, USA
73.2km (45.5 miles) ⓘBeginner's Luck claim, Blake Mining District (Mirage Mining District; Cotton Creek Mining District), Saguache County, Colorado, USA
73.5km (45.6 miles) ⓘLittle Indian No. 36 Mine, Gunnison County, Colorado, USA
References
Berke, Edward H., Spry, Paul G., Heimann, Adriana, Teale, Graham S., Johnson, Benjamin, von der Handt, Anette, Alers, Brian, Shallow, John M. (2023) The genesis of metamorphosed Paleoproterozoic massive sulphide occurrences in central Colorado: geological, mineralogical and sulphur isotope constraints. Geological Magazine, 160 (7) 1345-1375 doi:10.1017/s0016756823000407
 
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