David K. Joyce

Francon Quarry, Montreal, Quebec, Weloganite, Etc.

The Francon Quarry is famous as a source of a number of rare minerals. In fact it is he type locality for many, including Weloganite, a strontium-sodium-ziconium carbonate, named after W.E. Logan, the first director of the Geological Survey of Canada. The quarry has been closed for many years and is slowly being filled in with clean land fill. Here are a number of excellent specimens of that mineral. They are fro ma 25 year old cache of specimens to recently see the light of day, again!

All prices in Canadian dollars. For payment in US$, deduct 18% or multiply by 0.82.

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

Weloganite, Calcite, Quartz, Marcasite, etc.Francon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #12599
  • Weloganite, Calcite, Quartz, Marcasite, etc.
  • 9.0x5.3x6.0 cm
  • Largest Crystal Size: 19mm
  • $225.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A wonderful nest of sharp, yellowish weloganite crystals is perfectly exposed in this vug in phonolite. The crystals are classic, pseudohexagonal prisms with a light whitish outer coating and yellow internal colour. Excellent specimen1
Weloganite, Dresserite, Calcite, Quartz, Marcasite, etc.Francon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #12603
  • Weloganite, Dresserite, Calcite, Quartz, Marcasite, etc.
  • 5.9x5.0x4.9 cm
  • Largest Crystal Size: w-11mm, d-2mm
  • $85.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • This vug has two weloganite crystals in it and lots of sprays and hemispheres of white silky dresserite scattered about. Nice association piece! Displays perfectly.
Weloganite, Calcite, Quartz, Marcasite, etc.Francon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #12605
  • Weloganite, Calcite, Quartz, Marcasite, etc.
  • 7.9x7.0x5.3 cm
  • Largest Crystal Size: 30mm
  • $160.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A couple of huge weloganite crystals and lots of smaller ones fill a vug in phonolite rock, along with many calcite and marcasite crystals. This piece is sawn on the back to reduce rock mass. Displays very well from a couple of different angles.
Weloganite, Calcite, Quartz, Marcasite, etc.Francon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #12606
  • Weloganite, Calcite, Quartz, Marcasite, etc.
  • 8.0x6.8x5.8 cm
  • Largest Crystal Size: 13mm
  • $120.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A very sharp, pseudohexagonal crystal of weloganite is perfectly exposed at the front edge of this calcite-quartz-marcasite vug in phonolite. A number of sharp, smaller weloganite crystals as well. Very nice for display!
Weloganite, QuartzFrancon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #20370
  • Weloganite, Quartz
  • 5.4x5.5x4.0 cm
  • Largest Crystal Size: 14mm
  • $75.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • Lots of well formed, chalky-white crystals of weloganite, including a cluster of several crystals on one side of the vug. Excellent example that shows well.
WeloganiteFrancon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #20394
  • Weloganite
  • 5.5x4.5x5.0 cm
  • Largest Crystal Size: 9mm
  • $45.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A couple of sharp, well-formed, white weloganite crystals in a vug in matrix. A perfect specimen!
Weloganite, Fluorite, Calcite, etc.Francon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #21904
  • Weloganite, Fluorite, Calcite, etc.
  • 11.5x5.5x4.5 cm
  • Largest Crystal Size: 5mm
  • $40.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A number of sharp weloganite crystals are present in this shallow open vug lined with calcite, quartz and fluorite. R
Weloganite, QuartzFrancon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #21907
  • Weloganite, Quartz
  • 12.8x7.8x6.4 cm
  • Largest Crystal Size: 9mm
  • $50.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A number of excellent weloganite crystals are present in this wide, quartz and calcite lined vug. Sawn on base. R
Weloganite, CalciteFrancon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #21915
  • Weloganite, Calcite
  • 7.4x6.6x2.2 cm
  • Largest Crystal Size: 3mm
  • $65.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A wonderful, shallow vug largely lined with very sharp, hemimorphic weloganite crystals and sharp, white calcite crystals. Sawn base. Really nice crystals of this relatively rare mineral! R
Weloganite, QuartzFrancon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #22985
  • Weloganite, Quartz
  • 5.6x2.5x1.7 cm
  • Largest Crystal Size: w-7mm
  • $45.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • A single, doubly-terminated weloganite crystal sits nicely at one end of a parallel growth grouping of quartz. The weloganite crystal has that pseudo-hexagonal crystal habit with silky horizontal stria, so typical for weloganite.
Weloganite, Quartz, CalciteFrancon Quarry, Montreal, Quebec,  Weloganite, Etc.
  • Item #26593
  • Weloganite, Quartz, Calcite
  • 12.8x10.0x8.5 cm
  • Largest Crystal Size: 15mm
  • $325.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • Several large, well formed yellow weloganite crystals are nicely exposed in this vug in typical Francon Matrix. There are also sceptred quartz crystals and rhombohedra of calcite in the vug lining. Sawn base. Incredibly hard matrix! Displays just like this.