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
Midnight Mine (Hamilton Mine), Kofa Mining District, Yuma County, Arizona, 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 Midnight Mine (Hamilton Mine), Kofa Mining District, Yuma County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:172154
Long-form Identifier:1:3:172154:6
GUID (UUID V4):0
Nearest other occurrences of Native Gold
1.0km (0.6 miles) ⓘQuartette Mine (Independence Mine; Perseverance Mine; Quartzite Mine), Kofa Mining District, Yuma County, Arizona, USA
1.2km (0.8 miles) ⓘKofa gold placers (S.H. placers), Kofa Mining District, Yuma County, Arizona, USA
1.3km (0.8 miles) ⓘNorth Star Mine (Northstar Mine), Kofa Mining District, Yuma County, Arizona, USA
1.7km (1.1 miles) ⓘEvening Star Mine group, Kofa Butte, Kofa Mining District, Yuma County, Arizona, USA
2.1km (1.3 miles) ⓘKing of Arizona Mine, Kofa Mining District, Yuma County, Arizona, USA
4.2km (2.6 miles) ⓘGolden Eagle placer (Old Redondo placer), Kofa Mining District, Yuma County, Arizona, USA
9.7km (6.0 miles) ⓘIXL Mine (I.X.L. prospect; IXL prospect), Geyser lode, Ocotillo Mine Group, Yuma County, Arizona, USA
9.8km (6.1 miles) ⓘC.O.D. Mine (C.O.D. prospect; C.O.D. group of claims), Red Raven Wash, Ocotillo Mine Group, Yuma County, Arizona, USA
10.0km (6.2 miles) ⓘBig Horn prospect, Red Raven Wash, Ocotillo Mine Group, Yuma County, Arizona, USA
10.5km (6.5 miles) ⓘRegal prospect (Regal group prospect), Yuma County, Arizona, USA
References
Dale (1959): 27-28
(n.d.) ADMMR Mines Database, Arizona Geological Survey.
 
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