Geode ~ from Greek meaning 'earthlike'. A geode is a sphere shaped rock with a hollow cavity lined with crystals. Use for stimulating independent thinking, freedom of spirit; are good energy generators and help with good work habits.~ Geodes can contain clear or smoky quartz linings, micro and slightly larger pyrite crystals, calcite crystals, jasper or agate . Some of the minerals less common in the geodes are selenite, ferroan dolomite, marcasite, pink calcite, sphalerite.
Approx 1 1/2"