Montreal Mine (Gogebic Range)
46.4281° N, 90.2336° W · Exact (< 100 m)
Hematite and Rhodochrosite from Wisconsin, United States, with photos of specimens from this locality.
Minerals found here
Hematite at Montreal Mine (Gogebic Range)
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- Fe₂O₃
- Morphology
- Double-terminated 'fans' / 'tree trunk' crystals with ribbed surfaces
- Typical size
- Specimen about 16 cm
- Color / luster
- Glossy gray to dark reddish-brown
- History
- Specimen from the older George Robbe collection
Sources: SRC-243
Rhodochrosite at Montreal Mine (Gogebic Range)
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- MnCO₃
- Morphology
- Interlocked rhombs forming rosettes on massive black ore
- Typical size
- Specimens to about 9 cm
- Color / luster
- Pink
- Availability
- Scarce
Sources: SRC-926
Geology of the locality
- Setting
- Iron range mine in Iron County, Gogebic Range.
- Region
- Wisconsin
- Country
- United States
Locality wording from the photo page: Montreal Mine, Gogebic Range, Iron County. Coordinates not yet sourced (no coordinate source could be opened in this run); fill before mapping. Only the photo page documents hematite here (no second source opened). Coordinates: Mine location as given on the Mindat page (46°25'41"N, 90°14'1"W), which states the USGS MRDS accuracy is 10 m. Rockhounding.org gives 46.42810, -90.23371 for the same mine. Coordinates: Mine location as given on the Mindat page (46°25'41"N, 90°14'1"W), which states the USGS MRDS accuracy is 10 m. Rockhounding.org gives 46.42810, -90.23371 for the same mine. Coordinates: Mine location as given on the Mindat page (46°25'41"N, 90°14'1"W), which states the USGS MRDS accuracy is 10 m. Rockhounding.org gives 46.42810, -90.23371 for the same mine.
Sources
- SRC-243 · Website
File:Hematite-235109.jpg (Montreal Mine, Wisconsin)Wikimedia Commons / R. M. Lavinsky · 2023 · Wikimedia Commons (opened via Russian-language mirror) - SRC-298 · Website
Montreal Mine (33 Company Mine; Section 33 Mine), Montreal, Gogebic Range, Iron County, Wisconsin, USA - Mindat - SRC-926 · Website
File:Rhodochrosite-54415.jpgRobert M. Lavinsky · Wikimedia Commons (dealer label)
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.