David K. Joyce

Grenville, Spinel, Forsterite, Parker Mine, Notre Dame du Laus, Quebec

The Parker Mine is a well known Grenville occurrence famous for well formed spinel and forsterite crystals. Here are some nice examples.

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.

Spinel, ForsteriteGrenville, Spinel, Forsterite, Parker Mine, Notre Dame du Laus, Quebec
  • Item #14088
  • Spinel, Forsterite
  • 6.1x5.0x5.0 cm
  • Largest Crystal Size: 9mm
  • $70.00
  • Parker Mine
  • Notre Dame du Laus
    Quebec, Canada
  • Over a dozen sharp, black, spinel crystals protrude from calcite on a matrix of forsterite. There are a number of forsterite crystals present but only one is complete.
ForsteriteGrenville, Spinel, Forsterite, Parker Mine, Notre Dame du Laus, Quebec
  • Item #14093
  • Forsterite
  • 5.5x4.5x3.4 cm
  • Largest Crystal Size: 23mm
  • $65.00
  • Parker Mine
  • Notre Dame du Laus
    Quebec, Canada
  • This specimen features a 23mm forsterite crystal perfectly exposed on the front of a calcite forsterite matrix. The crystal is a dull green with very well formed crystal faces. The specimens stands perfectly for display.
ForsteriteGrenville, Spinel, Forsterite, Parker Mine, Notre Dame du Laus, Quebec
  • Item #24231
  • Forsterite
  • 13.5x9.3x5.7 cm
  • Largest Crystal Size: 27mm
  • $225.00
  • Parker Mine
  • Notre Dame du Laus
    Quebec, Canada
  • A magnificent cluster of forsterite crystals! The crystals are relatively thin-tabular with beveled edges. Sharp! Ususally, the forsterite crystals from Parker are associated with spinel crystals but not on this specimen. Just forsterite. Displays perfectly. s
Spinel, ForsteriteGrenville, Spinel, Forsterite, Parker Mine, Notre Dame du Laus, Quebec
  • Item #24235
  • Spinel, Forsterite
  • 6.3x5.5x5.4 cm
  • Largest Crystal Size: f-14mm, s-5mm
  • $55.00
  • Parker Mine
  • Notre Dame du Laus
    Quebec, Canada
  • The top of this specimen is a forsterite crystal vug that has lots of smaller, black spinel octahedra on the forsterite crystals. The forsterite crystals are sharp, thick-tabular, light green crystals and excellent for the mineral. s
Forsterite, CalciteGrenville, Spinel, Forsterite, Parker Mine, Notre Dame du Laus, Quebec
  • Item #25240
  • Forsterite, Calcite
  • 3.6x2.4x2.5 cm
  • Largest Crystal Size: 32mm
  • $45.00
  • Parker Mine
  • Notre Dame du Laus
    Quebec, Canada
  • A really nice thick, tabular forsterite crystal partially embedded in calcite, with a couple of smaller forsterite crystals attached. Not a complete crystal but about 2/3 of a full crystal. Displays perfectly!