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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Quartz from
Columbia Mine, Bourne (Cracker City), Baker County, Oregon, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Columbia Mine, Bourne (Cracker City), Baker County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:250291
Long-form Identifier:1:3:250291:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.4km (0.2 miles) ⓘOhio Prospect, Baker County, Oregon, USA
0.7km (0.4 miles) ⓘClimax Mine, Bourne (Cracker City), Baker County, Oregon, USA
0.7km (0.4 miles) ⓘEureka and Excelsior Mine (E & E Mine; Cracker Creek Mine), Bourne (Cracker City), Baker County, Oregon, USA
0.9km (0.5 miles) ⓘHomestake occurrence, Baker County, Oregon, USA
0.9km (0.6 miles) ⓘGolconda Mine, Baker County, Oregon, USA
1.0km (0.6 miles) ⓘCracker-Summit Mine (Dutchman Mine), Bourne (Cracker City), Baker County, Oregon, USA
1.2km (0.8 miles) ⓘKing Pin occurrence, King Pin group, Bourne (Cracker City), Baker County, Oregon, USA
1.5km (0.9 miles) ⓘCracker-Oregon Mine, Bourne (Cracker City), Baker County, Oregon, USA
1.5km (1.0 miles) ⓘRawlson occurrence, King Pin group, Bourne (Cracker City), Baker County, Oregon, USA
1.9km (1.2 miles) ⓘMountain Bell Mine (Mountain Belle Mine), Bourne (Cracker City), Baker County, Oregon, USA
References
Valentine, Grant M., Huntting, Marshall T. (1956) Part I - Nonmetallic minerals, in Inventory of Washington Minerals. Bulletin 37, Washington Geological Survey.
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
 
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