Agate Gemstones and Jewelry

Gemstone Meaning: Blue Lace Agate - Verbal Communication - Self-Expression - Calming And Peaceful - Relieves Depression

Agate is cryptocrystalline silica, with a chemical formula of SiO₂. It is characterized by rhombohedral microcrystals and has a Mohs hardness ranging from 6.5 to 7. Chalcedony is one example of gemstone quality agate. Onyx and banded agate are other examples. Citation