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
Watson Mine (Anderson Property; Potomac and Watson Mine), Potomac, Montgomery County, Maryland, 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 Watson Mine (Anderson Property; Potomac and Watson Mine), Potomac, Montgomery County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:48700
Long-form Identifier:1:3:48700:5
GUID (UUID V4):0
Nearest other occurrences of Native Gold
0.8km (0.5 miles) ⓘMaryland Mine (Allen shaft), Potomac, Montgomery County, Maryland, USA
1.0km (0.6 miles) ⓘShaft #1, Ford Mine, Potomac, Montgomery County, Maryland, USA
1.4km (0.9 miles) ⓘFord Mine, Potomac, Montgomery County, Maryland, USA
2.2km (1.3 miles) ⓘMontgomery Mine (Potomac Mine), Potomac, Montgomery County, Maryland, USA
2.4km (1.5 miles) ⓘHarrison Mine (Potomac), Cropley, Montgomery County, Maryland, USA
2.6km (1.6 miles) ⓘRock Run gold placers, Cropley, Montgomery County, Maryland, USA
2.9km (1.8 miles) ⓘEagle Mine, Potomac, Montgomery County, Maryland, USA
3.0km (1.9 miles) ⓘSawyer Mine, Cropley, Montgomery County, Maryland, USA
5.7km (3.6 miles) ⓘBull Neck Mine, Bull Neck Run, Gold-Pyrite Belt, Fairfax County, Virginia, USA
6.6km (4.1 miles) ⓘCabin John Creek, Montgomery County, Maryland, USA
References
Weed, W.H., (1905) Notes on the gold veins near Great Falls, Maryland : U.S. Geol. Survey Bull. 260, p. 128-131.
MD Geol. Sur.:Vol. VIII:151(1909).
 
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