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Hudson Bay Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

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Not to be confused with the Hudson Bay Mine(aka. Rusty Lake Mine) in Leith Township, Gowganda area.
A silver mine located in Lot 6 Con. VI. Discovered in 1903 and closed in 1920. Produced 6,450,000 oz. Ag and 186,000 lb. Cobalt.

Mineralization is in carbonate(mainly dolomite)veins cutting diabase.

Note* Ferrisymplesite is very rare. On the surface it looks identical to scorodite which is very common. Ferrisymplesite differs from scorodite in that it has a fibrous structure so if you break open one of these brown crusts or masses and it does not have a fibrous structure it is most likely just scorodite. Other than this the only way to tell the two apart is by XRD.

Mineral List



18 entries listed. 17 valid minerals. 2 type localities (valid minerals).

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

WALKER, T.L. & PARSONS, A.L. (1924): The arsenates of cobalt, nickel and iron observed in silver-bearing veins at Cobalt, Ontario. University of Toronto, Geology Series, Contributions to Canadian Mineralogy 17, 13-17.
WALKER, T.L. & PARSONS, A.L. (1921): Rammelsbergite from Cobalt. University of Toronto Studies, Contributions to Canadian Mineralogy 12, 27-31.
PEACOCK, M.A. & MICHENER, C.E. (1939): On rammelsbergite from Ontario. University of Toronto Studies, Contributions to Canadian Mineralogy 42, 95-112.
PEACOCK, M.A. (1939): Rammelsbergite and pararammelsbergite, distinct orthorhombic forms of NiAs2. American Mineralogist 24, 10-11 (abstr.).
PEACOCK, M.A. & DADSON, A.S. (1940): On rammelsbergite and pararammelsbergite: distinct forms of nickel diarsenide. American Mineralogist 25, 561-577.
Sabina, Ann P., 2000. Rocks and Minerals for the Collector: Cobalt-Belleterre-Timmins, Ontario and Quebec, GSC. Miscellaneous Report 57, 266 p.
Sergiades, O.A. (1968) Silver Cobalt Calcite Vein Deposits of Ontario. Ontario Dept. of Mines, MRC No.10.

Mineral and/or Locality  
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