David K. Joyce Minerals

Mont Saint-Hilaire, Eudidymite

Eudidymite is a very interesting sodium-beryllium silicate and, at Mont Saint-Hilaire, occurs in star-shaped formations of pointed crystals or radiating aggregates of pointed crystals. Here are some excellent examples.

All prices in Canadian dollars. For payment in US$, deduct 16% or multiply by 0.84.

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

EudidymiteMont Saint-Hilaire, Eudidymite
  • Item #14746
  • Eudidymite
  • 3.2x2.4x2.2 cm
  • Largest Crystal Size: 9mm
  • $35.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A single crystal of white eudidymite is perched on top of this matrix of decomposed pegmatite.