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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Cox Mines (Mountain View Mine), Frederick County, Maryland, USAi
Regional Level Types
Cox Mines (Mountain View Mine)Group of Mines
Frederick CountyCounty
MarylandState
USACountry

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08587420017272036048101.jpg
Sphalerite

Cox Mines, Frederick County, Maryland, USA
01182380017272041043331.jpg
Smithsonite

Cox Mines, Frederick County, Maryland, USA
08587420017272036048101.jpg
Sphalerite

Cox Mines, Frederick County, Maryland, USA
01182380017272041043331.jpg
Smithsonite

Cox Mines, Frederick County, Maryland, USA
08587420017272036048101.jpg
Sphalerite

Cox Mines, Frederick County, Maryland, USA
04959060017272041097124.jpg
Smithsonite

Cox Mines, Frederick County, Maryland, USA
Latitude & Longitude (WGS84):
39° 34' 10'' North , 77° 10' 40'' West
Latitude & Longitude (decimal):
39.56944,-77.17778
GRN:
N27W43
Type:
Group of Mines
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Union Bridge971 (2017)0.1km
New Windsor1,400 (2017)6.7km
Taneytown6,746 (2017)9.8km
Libertytown950 (2011)10.8km
Woodsboro1,196 (2017)12.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mason-Dixon Rock, Mineral, Gemological, & Lapidary ClubHanover, Pennsylvania31km
Mindat Locality ID:
16601
Long-form identifier:
mindat:1:2:16601:7
GUID (UUID V4):
0


Part of a group of small openings, some of which were worked for lead and zinc back to pre-Civil War times, located about 3 miles SE of Union Bridge at Beaver Dam Churches. The deposits are in manganiferous marble.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


17 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘCerussite5.AB.15PbCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘBaryte7.AD.35BaSO4
ⓘChalcanthite7.CB.20CuSO4 · 5H2O
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ ChalcanthiteCuSO4 · 5H2O
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ AnglesitePbSO4
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ ChalcanthiteCuSO4 · 5H2O
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ SmithsoniteZnCO3
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ QuartzSiO2
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcanthiteCuSO4 · 5H2O
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Native SulphurS8
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcanthiteCuSO4 · 5H2O
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
BaBarium
Baⓘ BaryteBaSO4
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Dana, Edward Salisbury; Dana, James Dwight (1892) A System of Mineralogy (6th ed.). John Wiley & Sons, Inc.pages 930, 1030, 1071
Ostrander, Charles W., Price, Jr, Walter E. (1940) Minerals of Maryland. The Natural History Society of Maryland, Baltimore, Maryland, USA. 14pp.
Miller, V. (1947) A visit to 2 Maryland Mines: Rocks and Minerals: 22 (11): 1023.
Pearre, Nancy (1961) Mineral deposits of Maryland excluding fuel, sand and gravel: U.S. Geological Survey Mineral Investigations Resources Map MR-12.
Heyl, A. & Pearre, N (1965) Copper, zinc, lead, iron cobalt and barite deposits of the Piedmont Upland in Maryland: Maryland Geological Survey: Bulletin 28, 72 p.
mineralbliss.blogspot.com (n.d.) http://mineralbliss.blogspot.com/2009/03/mountain-view-lead-mine-in-frederick.html
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