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
Melvina, 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 Melvina, Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:371997
Long-form Identifier:1:3:371997:8
GUID (UUID V4):0
Nearest other occurrences of Native Gold
0.0km (0.0 miles) ⓘSunshine Group, Gold Hill Mining District, Boulder County, Colorado, USA
0.0km (0.0 miles) ⓘFallow Tunnel, Gold Hill Mining District, Boulder County, Colorado, USA
0.0km (0.0 miles) ⓘIngram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond), Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘRough Rider (Monument; Gold Lode; Zuma; Lincoln Occurrence), Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘEvans (Grant; Great Britain Occurrence), Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘKing Occurrence (Dana; Gold Lode; Gillard; Doss; Lucky Star; Sakhart; Morning Glory), Gold Hill Mining District, Boulder County, Colorado, USA
1.3km (0.8 miles) ⓘBlack Cloud, Gold Hill Mining District, Boulder County, Colorado, USA
1.5km (0.9 miles) ⓘLittle Johnny Mine (Emancipation group; Home Sweet Home occurrence), Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘUnknown Gold Occurrence (MRDS - 10018288), Gold Hill Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘBelle of Memphis (Blackhawk; Horseshoe; Victoria; Mountain Chief; Fairfax; Olympic; Bighorn; Silver Queen; Scotia; Gowanda), Gold Hill Mining District, Boulder County, Colorado, USA
References
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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