Vote for your favorite mineral in #MinCup26! - Erythrite vs. Skutterudite
Pretty pink and poisonous Erythrite is against its shiny silver and structurally-useful Skutterudite.
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Tuff from
Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA


Locality type:Mine
Classification
Type:Tuff
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tuff data
Locality Data:Click here to view Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1745517
Long-form Identifier:1:3:1745517:4
GUID (UUID V4):0
Nearest other occurrences of Tuff
38.0km (23.6 miles) ⓘEl Ray; Tony; Brenda; Red; Elkhorn; Iceyhole; Jingo; Red Metal Occurrence, Gunnison County, Colorado, USA
51.9km (32.2 miles) ⓘPride of America Mine, Galena Mining District (Henson Creek Mining District), Hinsdale County, Colorado, USA
67.4km (41.9 miles) ⓘGreat Eastern (Silver Wing; Frederica; Monitor; Sioux City), Eureka Mining District, San Juan County, Colorado, USA
77.5km (48.2 miles) ⓘOsceola Mine, Cunningham Gulch, Animas Mining District, San Juan 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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