David K. Joyce

Mont Saint-Hilaire, McKelveyite-(Y)

McKelveyite is a fairly rare yttrium carbonate that occurs at Mont Saint-Hilaire in tiny, pseudohexagonal, hemimorphic crystals of varying colours and shades. These ones are all a gray colour. Some nice specimens here!!

All prices in Canadian dollars. For payment in US$, deduct 24% or multiply by 0.76.

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

Mckelveyite-(Y)Mont Saint-Hilaire, McKelveyite-(Y)
  • Item #25694
  • Mckelveyite-(Y)
  • 2.5x1.8x0.5 cm
  • Largest Crystal Size: micro
  • $40.00
  • Mont Saint-Hilaire

  • Ontario, Canada
  • Tapered, gray, pseudohexagonal mckelveyite-(Y) crystals are present in a couple of vugs in this small matrix.
Mckelveyite-(Y)Mont Saint-Hilaire, McKelveyite-(Y)
  • Item #25706
  • Mckelveyite-(Y)
  • 2.8x2.1x1.3 cm
  • Largest Crystal Size: micro
  • $65.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • Lots of grayish, pseudohexagonal crystals of this yttrium-rich mineral are found in the cavity that occupies a zone between interlocking microcline and quartz crystals. Lots of sharp rutile crystals and some calcite crystals scattered about!
Mckelveyite-(Y)Mont Saint-Hilaire, McKelveyite-(Y)
  • Item #25707
  • Mckelveyite-(Y)
  • 4.5x3.5x2.6 cm
  • Largest Crystal Size: micro
  • $55.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • Several areas of interlocking and protruding crystals of mckelvyite are present in openings in this microcline and quartz matrix. The mckelveyite is associated with lots of small sharp rutile, quartz and calcite crystals.
Mckelveyite-(Y)Mont Saint-Hilaire, McKelveyite-(Y)
  • Item #25709
  • Mckelveyite-(Y)
  • 5.8x3.5x1.9 cm
  • Largest Crystal Size: micro
  • $45.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A couple of areas of rich mckelveyite has sharp crystals around the edges and protruding into the open spaces.
Mckelveyite-(Y), Rutile, Zircon, Calcite, QuartzMont Saint-Hilaire, McKelveyite-(Y)
  • Item #25677
  • Mckelveyite-(Y), Rutile, Zircon, Calcite, Quartz
  • 5.5x3.1x1.5 cm
  • Largest Crystal Size: micro
  • $55.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A small area of excellent mckelveyite crystals on this specimen, along with lots of other mineral crystals.