Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Native Gold from
Little Ruby, Gold Hill Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Native Gold
Formula:Au
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Gold data
Locality Data:Click here to view Little Ruby, Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:371978
Long-form Identifier:1:3:371978:7
GUID (UUID V4):0
Nearest other occurrences of Native Gold
0.0km (0.0 miles) ⓘElectronic, Gold Hill Mining District, Boulder County, Colorado, USA
0.0km (0.0 miles) ⓘAlaska Group, Gold Hill Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘYellow Pine, Sugarloaf Mining District, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘUnknown Silver - Gold Occurrence (MRDS - 10018189), Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘWild Dutchman, Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘAtchison Mine (Atchison and Eldorado), Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘMcKnight Placer, Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘUnknown Gold Occurrence (MRDS - 10017510), Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘPoorman group, Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘGrand Republic Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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