David K. Joyce

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 19% or multiply by 0.81.

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, 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!
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 #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 #19145
  • Silver
  • 5.5x5.1x0.6 cm
  • Largest Crystal Size: n/a
  • $65.00
  • O'Brien Mine
  • Cobalt
    Ontario, Canada
  • A thick plate of pretty-well solid silver from one of the most rich silver mines of the Cobalt Mining Camp. Heavy!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #19214
  • Silver
  • 7.5x3.8x0.2 cm
  • Largest Crystal Size: n/a
  • $65.00
  • O'Brien Mine
  • Cobalt
    Ontario, Canada
  • A leaf of thin, bendable, native silver. The silver appears to have crystallized against small calcite crystals and the imprints of them are all over the length of the silver.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #19908
  • Silver
  • 15.7x13.5x0.8 cm
  • Largest Crystal Size: n/a
  • $130.00
  • Capitol Mine
  • Gowganda
    Ontario, Canada
  • Many veinlets of silver cut through this dark, fine-grained diabase matrix. Looks like lightning in a dark sky! Rich looking, unique silver high-grade.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #19910
  • Silver
  • 19.0x15.4x1.0 cm
  • Largest Crystal Size: n/a
  • $150.00
  • Capitol Mine
  • Gowganda
    Ontario, Canada
  • A superb specimen of dark, fine-grained diabase that is shot through with veinlets of native silver. This style of silver mineralization is often called "silver lightning". Thick, excellent specimen.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21449
  • Silver
  • 10.1x6.6x6.0 cm
  • Largest Crystal Size: n/a
  • $325.00
  • Silverfields Mine
  • Cobalt
    Ontario, Canada
  • This matrix sports a large, thick plate of silver that protrudes out of the left side and top of the piece. If you tap the silver with your finger, you hear a metallic "ring". Solid silver. Stands perfectly for display. Classic Cobalt.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21517
  • Silver
  • 10.3x7.5 cm
  • Largest Crystal Size: n/a
  • $95.00
  • Cobalt Lode Mine
  • Cobalt
    Ontario, Canada
  • A thick leaf of silver holds these two chunks of rock together. If you hold one, then the other piece of rock wobbles around on the end of the silver. Of course the silver was once a veinlet of solid silver that cut through the rock mass. Very cool example.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21531
  • Silver
  • 7.9x4.7x3.0 cm
  • Largest Crystal Size: n/a
  • $90.00
  • Kerr Lake Mine
  • Cobalt
    Ontario, Canada
  • In this specimen, a very thick plate of native silver in calcite cuts through fine-grained rock matrix. Rich and impressive!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21534
  • Silver
  • 9.4x9.7x6.1 cm
  • Largest Crystal Size: n/a
  • $275.00
  • Kerr Lake Mine
  • Cobalt
    Ontario, Canada
  • This specimen is composed of a thick plate of native silver that is attached to the back and that protrudes well above the top of the siliceous matrix. Looks great for display.
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21535
  • Silver
  • 7.1x6.0x4.0 cm
  • Largest Crystal Size: n/a
  • $150.00
  • Kerr Lake Mine
  • Cobalt
    Ontario, Canada
  • A thick, 5mm thick plate of native silver protrudes up out of rock matrix. Very impressive specimen!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21538
  • Silver
  • 12.5x8.4x4.8 cm
  • Largest Crystal Size: n/a
  • $325.00
  • Kerr Lake Mine
  • Cobalt
    Ontario, Canada
  • An impressive specimen that has a sheeted vein of silver at the rear that sticks up out of the back of the matrix to display very well. The silver has a thin encrustation of a dark arsenide mineral on it which makes it particularly interesting. Looks great!
SilverCobalt/Gowganda Area, Ontario -Leaf/Plate Silver Specimens
  • Item #21539
  • Silver
  • 8.5x5.0x5.0 cm
  • Largest Crystal Size: n/a
  • $120.00
  • Kerr Lake Mine
  • Cobalt
    Ontario, Canada
  • This piece shows a thick plate of native silver that passes completely through fine grained rock and protrudes more or less out of all sides. Rich!