David K. Joyce


6.9x 5.2x3.8 cm
Strain Lake, HWY 41, nr. Khartoum, Griffith TWP.
Renfrew County
Ontario, Canada


Item number: 24747

A vug of stilbite crystals from the Grenville! These crystals were precipitated from low temperature hydrothermal solutions that broke down older silicates in the surrounding rocks. Unusual!