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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Opal from
Divide, Teller County, Colorado, USA


Locality type:Village
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Divide, Teller County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:998899
Long-form Identifier:1:3:998899:6
GUID (UUID V4):0
Nearest other occurrences of Opal
4.8km (3.0 miles) ⓘBlack Cloud Mine, Teller County, Colorado, USA
23.0km (14.3 miles) ⓘZenobia Mine, Cripple Creek Mining District, Teller County, Colorado, USA
23.5km (14.6 miles) ⓘOrpha May, Cripple Creek Mining District, Teller County, Colorado, USA
23.8km (14.8 miles) ⓘBlue Bird Mine, Bull Hill, Cripple Creek Mining District, Teller County, Colorado, USA
28.6km (17.8 miles) ⓘRosa No. 1 trench, Mount Rosa, El Paso County, Colorado, USA
52.5km (32.6 miles) ⓘOliver Saddle Prospect, Tallahassee Creek Mining District, Fremont County, Colorado, USA
54.4km (33.8 miles) ⓘBarbara Claims, Tallahassee Creek Mining District, Fremont County, Colorado, USA
55.1km (34.3 miles) ⓘCastle Rock, Castle Rock Area, Douglas County, Colorado, USA
60.7km (37.7 miles) ⓘSpikebuck Mine, McIntyre Hills Area, Fremont County, Colorado, USA
68.8km (42.7 miles) ⓘSouth Park salt works, Antero Junction, South Park, Park County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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