David K. Joyce Minerals

Cobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens

Silver occurs in different habits at Cobalt. Leaf silver is a very interesting habit and the leaves are actually veinlets or part of veins of solid silver that have been exposed in, attached to or out of the rock matrix.

All prices in Canadian dollars. For payment in US$, deduct 22% or multiply by 0.78.

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

SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #13950
  • Silver
  • 8.0x4.8x3.0 cm
  • Largest Crystal Size: n/a
  • $75.00
  • Castle Mine
  • Gowganda
    Ontario, Canada
  • A thick leaf of silver is plastered against one side of the rock matrix. The leaf protrudes a fair bit from one end of the specimen and a little from the other. Very cool the way the silver is bent over at one end like a wet cloth! Excellent example!
Silver, CalciteCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #13657
  • Silver, Calcite
  • 6.4x5.4x4.0 cm
  • Largest Crystal Size: n/a
  • $95.00
  • McDonald Vein
  • Cobalt
    Ontario, Canada
  • This isn't a leaf or plate but it is just very coarse, thick, native silver in calcite. Heavy and impressive!
Silver, ArsenidesCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #16385
  • Silver, Arsenides
  • 9.0x7.5x3.2 cm
  • Largest Crystal Size: n/a
  • $225.00
  • Cobalt
    Ontario, Canada
  • This specimen is composed of a full vein section of quartz, carbonate and arsenide mineralization with a thick leaf/plate of silver protruding out of the top of it. The specimen is a wonderful display piece from this prolific silver mining camp. Displays just as shown in the picture. Heavy!
Silver, BorniteCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #16594
  • Silver, Bornite
  • 4.3x2.9x2.9 cm
  • Largest Crystal Size: n/a
  • $45.00
  • O'Brien Mine
  • Cobalt
    Ontario, Canada
  • This specimen shows a ragged, hackly leaf of silver protruding from a thin calcite vein. There is bornite in the calcite and most of the silver appears black because it is coated with a thin veneer of bornite. Interesting!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #16609
  • Silver
  • 10.8x5.4x2.7 cm
  • Largest Crystal Size: n/a
  • $60.00
  • Silverfields Mine
  • Cobalt
    Ontario, Canada
  • The top and bottom of this fragment of conglomerate is largely covered with leaf silver. The silver has a peculiar, untarnished silver-white colour and is, at least, antimony-rich silver or possible allargentum. Nice!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #16614
  • Silver
  • 7.7x4.9x3.6 cm
  • Largest Crystal Size: n/a
  • $60.00
  • Beaver Mine
  • Cobalt
    Ontario, Canada
  • A thick plate of native silver covers most of the front of this specimen. The silver is dimpled with the casts of small calcite crystals and has little areas of what looks like tetrahedrite embedded in it here and there. Displays very well!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #17044
  • Silver
  • 8.4x8.1x5.0 cm
  • Largest Crystal Size: n/a
  • $160.00
  • Siscoe Mine
  • Gowganda
    Ontario, Canada
  • A very thick plate of irregularly shaped silver protruding from the top, bottom and right side of this diabase matrix. Stands perfectly for display.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #17052
  • Silver
  • 7.0x7.3x3.2 cm
  • Largest Crystal Size: n/a
  • $55.00
  • Castle Mine
  • Gowganda
    Ontario, Canada
  • The top of this specimen show, mostly a thick leaf of silver-white native silver. A parallel leaf of silver cuts across the bottom of the piece, holding the two chunks of matrix together. Excellent example!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #17118
  • Silver
  • 4.9x3.8x0.3 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Langis Mine
  • Casey Township
    Ontario, Canada
  • A solid 2mm leaf of silver, slightly bent and fairly tarnished black. Some un-tarnished areas showing through. An old museum field card accompanies the specimen. Solid silver from a famous old locality!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #17119
  • Silver
  • 6.8x5.0x0.3 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Cobalt
    Ontario, Canada
  • A solid leaf of silver, from old surface workings from the look of it. Fairly oxidized with iron and cobalt oxides on the outer surfaces. Sorry don't know the exact mine location.