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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Actinolite from
Sneffels Mining District, Ouray County, Colorado, USA


Locality type:Mining District
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Sneffels Mining District, Ouray County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:388266
Long-form Identifier:1:3:388266:5
GUID (UUID V4):0
Nearest other occurrences of Actinolite
11.1km (6.9 miles) ⓘWanakah Mine, Gold Hill, Ouray Mining District, Ouray County, Colorado, USA
11.2km (6.9 miles) ⓘBright Diamond Mine, Gold Hill, Ouray Mining District, Ouray County, Colorado, USA
11.2km (7.0 miles) ⓘIron Clad Mine, Gold Hill, Ouray Mining District, Ouray County, Colorado, USA
11.7km (7.3 miles) ⓘOuray Mining District, Ouray County, Colorado, USA
60.6km (37.6 miles) ⓘBakers Bridge, Durango Area, La Plata County, Colorado, USA
72.5km (45.1 miles) ⓘIroncap Mine (Patented Claims: Iron Cap; MS 8973; Iron Band; MS 8973), Goose Creek Mining District, Gunnison County, Colorado, USA
91.2km (56.7 miles) ⓘDenver City Mine, Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison 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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