David K. Joyce

Cobalt/Gowganda, Ontario -Various Species, Page Two

More interesting minerals from the Cobalt silver mining area. Most have been confirmed by electron microprobe analysis.

All prices in Canadian dollars. For payment in US$, deduct 19% or multiply by 0.81.

Click on any of the following thumbnails to view a larger image of the specimen.

Bismuthinite, Calcite, BismuthCobalt/Gowganda, Ontario -Various Species, Page Two
  • Item #10051
  • Bismuthinite, Calcite, Bismuth
  • 11.1x10.0x6.2 cm
  • Largest Crystal Size: 2mm
  • $80.00
  • Keeley Mine
  • South Lorrain Township
    Ontario, Canada
  • The calcite crystals on this shallow opening in a calcite vein have many bismuthinite needles on them or embedded in them. As wll, there are veinlets of shiny native bismuth in the calcite nearest the wall rock contact. Small chalcopyrite crystals associated. Unusual assemblage.
Acanthite ps ArgentiteCobalt/Gowganda, Ontario -Various Species, Page Two
  • Item #6667
  • Acanthite ps Argentite
  • 4.7x3.3x0.8 cm
  • Largest Crystal Size: 1mm
  • $40.00
  • O'Brien Mine
  • Cobalt
    Ontario, Canada
  • This piece is a solid piece of black acanthite that is covered both sides with calcite, mostly small calcite crystals. Different!
ArsenopyriteCobalt/Gowganda, Ontario -Various Species, Page Two
  • Item #10428
  • Arsenopyrite
  • 5.8x4.6x3.3 cm
  • Largest Crystal Size: 2mm
  • $35.00
  • Langis Mine
  • Casey Township
  • The vug on the front of this rock matrix is lined with bright arsenopyrite crystals on an unknown arsenide. Looks good!
Arsenopyrite, LollingiteCobalt/Gowganda, Ontario -Various Species, Page Two
  • Item #10444
  • Arsenopyrite, Lollingite
  • 17.0x7.3x5.1 cm
  • Largest Crystal Size: 2mm
  • $85.00
  • Langis Mine
  • Casey Township
    Ontario, Canada
  • Bright, lustrous aresenopyrite crystals encrusting botryoidal lollingite in a recessed vein exposed by leaching out the calcite. Displays very well!
SaffloriteCobalt/Gowganda, Ontario -Various Species, Page Two
  • Item #10674
  • Safflorite
  • 6.0x2.4x1.6 cm
  • Largest Crystal Size: n/a
  • $40.00
  • Nipissing Mine
  • Cobalt
    Ontario, Canada
  • Safflorite is not a common mineral but here is a very nice example of it in its botryoidal habit. Displays well.