David K. Joyce Minerals

Grenville Minerals, Various Localities, Page Two

Here are some more unusual specimens from the Grenville Geological Province.

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.

Scapolite, Microcline, AugiteGrenville Minerals, Various Localities, Page Two
  • Item #17626
  • Scapolite, Microcline, Augite
  • 11.5x9.2x10.2 cm
  • Largest Crystal Size: a-30mm, m-19mm, s-9mm
  • $65.00
  • Yates Mine
  • Otter Lake
    Quebec, Canada
  • The front of this matrix is covered with a mixture of pinkish microcline , white scapolite and dark green pyroxene crystals. All crystals are well formed. Shows very well!
CorundumGrenville Minerals, Various Localities, Page Two
  • Item #17629
  • Corundum
  • 15.0x11.3x5.7 cm
  • Largest Crystal Size: 45mm
  • $75.00
  • Gutz Farm
  • Rosenthal
    Ontario, Canada
  • A fairly sharp, hexagonal, slightly tapered corundum crystal protrudes out of nepheline syenite along with a number of corundum crystal fragments. Excellent geological and mineralogical sample!