Sweetwater Mine
37.3589° N, 91.1467° W · ± 1 km
Dolomite, Galena, Marcasite and Pyrite from Missouri, United States, with photos of specimens from this locality.
Minerals found here
On the same specimen
1 specimen photo(s) from this locality show marcasite with calcite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.
1 specimen photo(s) from this locality show marcasite with chalcopyrite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.
1 specimen photo(s) from this locality show pyrite with chalcopyrite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.
Dolomite at Sweetwater Mine

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- CaMg(CO₃)₂
- Associated minerals
- Galena
Sources: SRC-511
Galena at Sweetwater Mine
Noted for sharp cubic galena crystals

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- PbS
- Morphology
- Cubes and cube-octahedra
- Typical size
- Crystals up to several cm; the largest crystal on a photographed 7 cm specimen is 2.5 cm on the edge
- Color / luster
- Bright metallic luster
- History
- Operated by Ozark Lead Company from 1968, reopened by ASARCO in 1987 and taken over by the Doe Run Company in 1997
Marcasite at Sweetwater Mine

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- FeS₂
- Morphology
- Plates of crystals and shrub-like clusters
- Color / luster
- Iridescent golden plates, or matte grey clusters
- Associated minerals
- Calcitechalcopyrite
Pyrite at Sweetwater Mine
Pyrite occurs as a gangue mineral in the Viburnum Trend lead-zinc ores, in blocky step-faced crystals on dolomite or silicified limestone.

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- FeS₂
- Morphology
- Blocky to octahedral crystals with stepped faces; compound crystals
- Color / luster
- Brassy, lustrous
- Associated minerals
- Galenasphaleritechalcopyritecalcitedolomitequartz
- Surface features
- Step-faced growth
Geology of the locality
- Setting
- Lead-zinc orebodies in the Bonneterre Formation of the Viburnum Trend
- Type
- Hydrothermal
- Host rock
- Bonneterre Formation
- Region
- Missouri
- Country
- United States
Also known as Milliken Mine. Coordinates from the Mindat locality page (DMS converted to decimal).
Sources: SRC-321
Sources
- SRC-321 · Database
Sweetwater Mine, Ellington, Reynolds County, Missouri, USAMindat.org - SRC-511 · Website
File:Dolomite-Galena-4jb8-lc158a.jpg (Wikimedia Commons)Robert M. Lavinsky · Wikimedia Commons - SRC-339 · Website
Southeast Missouri Lead District (Lead Belt)Wikipedia contributors · Wikipedia - SRC-340 · Website
Wikimedia Commons file pages Galena-122877.jpg and Galena-130053.jpgRobert M. Lavinsky (photographer); dealer description · Wikimedia Commons - SRC-327 · Website
Wikimedia Commons file page: Marcasite-Calcite-60688.jpgRobert M. Lavinsky (photographer) · Wikimedia Commons - SRC-405 · Website
Pyrite photographs and file descriptions on Wikimedia CommonsRobert M. Lavinsky (photographer; file descriptions) · Wikimedia Commons
Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.