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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Falcon J Mine (Falcon J property; Martha Bell MS 3977 patented claim), Biosphere 2 area, Oracle Mining District, Pinal County, Arizona, USAi
Regional Level Types
Falcon J Mine (Falcon J property; Martha Bell MS 3977 patented claim)Mine
Biosphere 2 areaArea
Oracle Mining DistrictMining District
Pinal CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
32° 35' 23'' North , 110° 50' 39'' West
Latitude & Longitude (decimal):
32.58972,-110.84417
GRN:
N22W67
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Saddle Brooke9,614 (2017)6.7km
Oracle3,686 (2011)7.3km
Catalina7,569 (2011)11.8km
San Manuel3,551 (2011)20.0km
Mammoth1,487 (2017)24.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Old Pueblo Lapidary ClubTucson, Arizona42km
Tucson Gem and Mineral SocietyTucson, Arizona42km
Mindat Locality ID:
68570
Long-form identifier:
mindat:1:2:68570:7
GUID (UUID V4):
0


An underground Cu mine/prospect located in the NE¼SE¼ sec. 6, T10S, R15E (Oracle 15 minute topo map), about ¾ mile NE of the Biosphere 2, and about 5 air miles WSW of Oracle. Claims extend into sec. 1, T10S, R14E, on state land. Owned by Julius J. Kowalewski of Arizona (1967).

Mineralization includes secondary copper minerals.

List of minerals for each chemical element

Other Databases

Link to USGS MRDS:10283351

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

USGS Oracle Quadrangle map.
U.S. Bureau of Land Management Mining District Sheet #661.
Arizona Department of Mineral Resources Falcon J Mine file.
MRDS database Dep. ID #10283351, MAS ID #0040210671.
Niemuth, Nyal J., Phillips, Ken A. (1992, July) Copper Oxide Resources. Open-file Report 92-10. Arizona Department of Mines and Mineral Resourcesp.14 - Table 1
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