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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Gypsum from
Canton geode locality, Lewis County, Missouri, USA


Locality type:Occurrence
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Canton geode locality, Lewis County, Missouri, USA
Data Identifiers
Mindat Occurrence Record ID:1531663
Long-form Identifier:1:3:1531663:1
GUID (UUID V4):0
Nearest other occurrences of Gypsum
30.2km (18.8 miles) ⓘEvans coal mine, Lewis County, Missouri, USA
34.1km (21.2 miles) ⓘJacob's Geode Mine, Hamilton, Hancock County, Illinois, USA
34.6km (21.5 miles) ⓘGray Quarry, Hamilton, Hancock County, Illinois, USA
39.3km (24.4 miles) ⓘSt. Francisville, Clark County, Missouri, USA
72.6km (45.1 miles) ⓘBear Creek, Vernon area, Van Buren County, Iowa, USA
77.5km (48.2 miles) ⓘCoppers Creek, Vernon area, Van Buren County, Iowa, USA
80.4km (50.0 miles) ⓘParis, Monroe County, Missouri, USA
93.4km (58.0 miles) ⓘUnnamed Gypsum occurrence [1], Jaeger Knob (Jeager Knob), Clarksville, Pike County, Missouri, USA
References
Vaisvil, Kenneth (2003) Colorful Keokuk Geodes from Lewis County, Missouri. Rocks & Minerals, 78 (4) 226-231 doi:10.1080/00357529.2003.9926727
 
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