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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Marcasite from
Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA


08509990017272050773432.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
07665620017272013788699.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
01523740017272013804381.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
06656630017272013817256.jpg
Marcasite

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
08509990017272050773432.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
07665620017272013788699.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
01523740017272013804381.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
07355260017370704252838.jpg
Marcasite

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
08509990017272050773432.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
07665620017272013788699.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
01523740017272013804381.jpg
Marcasite, etc.

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
06656630017272013817256.jpg
Marcasite

Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite148
Chalcopyrite96
Galena17
Dolomite12
Sphalerite3
Siegenite3
Aragonite1
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Brushy Creek Mine, Greeley, Reynolds County, Missouri, USA
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:50331
Long-form Identifier:1:3:50331:2
GUID (UUID V4):0
Nearest other occurrences of Marcasite
5.4km (3.3 miles) ⓘWest Fork Mine, West Fork, Reynolds County, Missouri, USA
7.6km (4.7 miles) ⓘBuick Mine (Amax Buick Mine; Moloc Mine), Bixby, Iron County, Missouri, USA
8.2km (5.1 miles) ⓘFletcher Mine, West Fork, Reynolds County, Missouri, USA
11.3km (7.0 miles) ⓘMagmont Mine, Bixby, Iron County, Missouri, USA
13.5km (8.4 miles) ⓘCasteel Mine (Viburnum No. 35 Mine), Bixby, Iron County, Missouri, USA
13.6km (8.5 miles) ⓘBixby, Iron County, Missouri, USA
19.5km (12.1 miles) ⓘViburnum No. 28 Mine, Viburnum, Iron County, Missouri, USA
20.0km (12.4 miles) ⓘSweetwater Mine, Ellington, Reynolds County, Missouri, USA
23.9km (14.9 miles) ⓘViburnum No. 27 Mine, Crawford County, Missouri, USA
24.5km (15.2 miles) ⓘViburnum No. 29 Mine, Washington County, Missouri, USA
References
Min News:10(8):10
Afifi, Abdulkader M., Kelly, William C., Essene, Eric J. (1988) Phase relations among tellurides, sulfides, and oxides; Pt. II, Applications to telluride-bearing ore deposits. Economic Geology, 83 (2) 395-404 doi:10.2113/gsecongeo.83.2.395
Crocetti, C. A., Holland, Heinrich D., McKenna, L. W. (1988) Isotopic composition of lead in galenas from the Viburnum Trend, Missouri. Economic Geology, 83 (2) 355-376 doi:10.2113/gsecongeo.83.2.355
Currier, Rock H. (1997) Calcite and Marcasite Specimens from the Brushy Creek Mine, Reynolds County, Missouri. Rocks & Minerals, 72 (6). 379-382 doi:10.1080/00357529709605069
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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