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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Pyrite from
O'Neal Quarry, Plymouth, Hancock County, Illinois, USA


02982210017370060566245.jpg
Pyrite

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
04171710017370060562108.jpg
Pyrite

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
00538690017272062177095.jpg
Pyrite, etc.

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
09266230017369565315031.jpg
Pyrite

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
05470750017370010358748.jpg
Pyrite

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
05790420017370060565229.jpg
Pyrite, etc.

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
02982210017370060566245.jpg
Pyrite

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
04171710017370060562108.jpg
Pyrite

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
00538690017272062177095.jpg
Pyrite, etc.

O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
Locality type:Quarry
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite3
Millerite1
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view O'Neal Quarry, Plymouth, Hancock County, Illinois, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:338771
Long-form Identifier:1:3:338771:9
GUID (UUID V4):0
Nearest other occurrences of Pyrite
37.9km (23.6 miles) ⓘJacob's Geode Mine, Hamilton, Hancock County, Illinois, USA
38.3km (23.8 miles) ⓘGray Quarry, Hamilton, Hancock County, Illinois, USA
41.0km (25.5 miles) ⓘCessford Quarry, Dallas City, Hancock County, Illinois, USA
41.3km (25.6 miles) ⓘLarry Creek, Hancock County, Illinois, USA
43.9km (27.3 miles) ⓘGeode Glen Park, Warsaw, Hancock County, Illinois, USA
52.7km (32.8 miles) ⓘMedia Quarry, Media Township, Henderson County, Illinois, USA
56.4km (35.1 miles) ⓘWayland, Clark County, Missouri, USA
57.5km (35.7 miles) ⓘSheffler's Rock Shop and Geode mine, Clark County, Missouri, USA
57.6km (35.8 miles) ⓘSt. Francisville, Clark County, Missouri, USA
58.2km (36.1 miles) ⓘCanton geode locality, Lewis County, Missouri, USA
References
Garvin, Paul L., Tribbey, E. Gene (2005) The minerals of west-central Illinois. The Mineralogical Record, 36 (5) 421-431
 
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