Lake Superior Agate Slab - Current River Agate

Lake Superior Agate Slab, polished both sides with rough edges. 
1610g, approximately 10”x6”. 

The world's oldest Agate! Approx. 1.1 billion years old, formed in volcanic lavastone within Keweenawan basaltic lava flows, exposed by glaciers.  Lake Superior Agate is a powerful healing crystal. A positive and supportive stone for those who are going through change in their life, Lake Superior agate has a high iron content that has a very grounding and balancing effect.