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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Calcite from
Dresser Mine (Dresser Mine No. 6), Washington County, Missouri, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Dresser Mine (Dresser Mine No. 6), Washington County, Missouri, USA
Data Identifiers
Mindat Occurrence Record ID:726977
Long-form Identifier:1:3:726977:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.7km (2.3 miles) ⓘDresser No.4 Mine (Dresser No.4), Washington County, Missouri, USA
3.8km (2.3 miles) ⓘSouthwest Jefferson County barite and lead District, Jefferson County, Missouri, USA
4.7km (3.0 miles) ⓘCadet Barite Mine, Cadet, Washington County Barite Mining District, Washington County, Missouri, USA
5.5km (3.4 miles) ⓘDresser Mine No.10, Jefferson County, Missouri, USA
6.5km (4.0 miles) ⓘShibboleth Mine, Cadet, Washington County Barite Mining District, Washington County, Missouri, USA
9.6km (5.9 miles) ⓘGaratee mines, Jefferson County, Missouri, USA
9.7km (6.0 miles) ⓘMilchem Mine, Washington County, Missouri, USA
10.0km (6.2 miles) ⓘOld Mines area, Washington County, Missouri, USA
11.4km (7.1 miles) ⓘBill Mine, St. Francois County, Missouri, USA
11.7km (7.3 miles) ⓘWashington County Aggregates Quarry, Washington County, Missouri, USA
References
Leach, D. L. (1980) Nature of mineralizing fluids in the barite deposits of central and Southeast Missouri. Economic Geology, 75 (8) 1168-1180 doi:10.2113/gsecongeo.75.8.1168
 
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