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
Old Man Spring Prospect, Disaster Mining District, Montana Mountains, Humboldt County, Nevada, USA


Locality type:Prospect
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 Old Man Spring Prospect, Disaster Mining District, Montana Mountains, Humboldt County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1547626
Long-form Identifier:1:3:1547626:1
GUID (UUID V4):0
Nearest other occurrences of Opal
7.1km (4.4 miles) ⓘDisaster Peak property (Nevada Cinnabar Group; Bretchell Mercury Deposit), Disaster Mining District, Montana Mountains, Humboldt County, Nevada, USA
24.1km (15.0 miles) ⓘThacker Pass deposit, McDermitt Caldera Center, Humboldt County, Nevada, USA
25.2km (15.7 miles) ⓘAurora Uranium Prospect, Opalite Mining District (McDermitt Mining District), Malheur County, Oregon, USA
28.0km (17.4 miles) ⓘCordero Mine, Opalite Mining District, Humboldt County, Nevada, USA
28.2km (17.5 miles) ⓘMcDermitt Mine, Opalite Mining District, Humboldt County, Nevada, USA
44.3km (27.5 miles) ⓘDouble Link Occurrence, Pueblo Mining District (Denio Mining District), Harney County, Oregon, USA
51.3km (31.9 miles) ⓘBuckskin Mountain, National Mining District, Humboldt County, Nevada, USA
51.9km (32.2 miles) ⓘBlue Bull Occurrence (Ionic Claims; Chukar Group), Pueblo Mining District (Denio Mining District), Harney County, Oregon, USA
52.2km (32.4 miles) ⓘBuckskin National mine, Buckskin Mountain, National Mining District, Humboldt County, Nevada, USA
56.1km (34.8 miles) ⓘHarmony Occurrence (Surprise Group; Ajax Claims), Pueblo Mining District (Denio Mining District), Harney County, Oregon, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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