large agate slab with quartz stalactites | stunning long horizontal mounted agate slab viewable from both sides, from Brazil
Agate is a micro crystalline variety of quartz. It is found in almost every country on earth but the largest pieces come from Brazil and Uruguay. Some of the varieties most highly prized by collectors come from Argentina and Mexico. Agate is said to be a calming influence.
Quartz is the second most abundant mineral on earth, it is also one of the most widely collected because of the great variety of specimens available. It follows that there are also a great number of beliefs associated with this crystal.