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
Hoosier Mine, Jo Daviess County, Illinois, 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 Hoosier Mine, Jo Daviess County, Illinois, USA
Data Identifiers
Mindat Occurrence Record ID:504792
Long-form Identifier:1:3:504792:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.0km (0.6 miles) ⓘOldenburg Mine, Jo Daviess County, Illinois, USA
1.5km (0.9 miles) ⓘGraham - Ginte Mine (Bartel and Sherrill), Jo Daviess County, Illinois, USA
2.1km (1.3 miles) ⓘGraham - Snyder Mine, Jo Daviess County, Illinois, USA
2.4km (1.5 miles) ⓘIllinois Sector, Jo Daviess County, Illinois, USA
3.2km (2.0 miles) ⓘBuck Lead Mine (Buck Lead Range), Jo Daviess County, Illinois, USA
3.6km (2.2 miles) ⓘBlewett Mine (Buck Hill Mine; Blewitt's Buck Hill Mine), Jo Daviess County, Illinois, USA
4.3km (2.6 miles) ⓘVinegar Hill Mine, Jo Daviess County, Illinois, USA
4.7km (2.9 miles) ⓘWaters Mine, Jo Daviess County, Illinois, USA
4.7km (2.9 miles) ⓘSouth Unity Mine, Jo Daviess County, Illinois, USA
4.9km (3.1 miles) ⓘHughlett and Gray Mine, Jo Daviess County, Illinois, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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