Agates are primarily composed of silica or silicon dioxide, the same material that makes up sand that occurs across the globe...

Did you know that the official gemstones of the state of Minnesota are called agates Of all the beautiful rocks and gemstones that could have been considered, these beautiful stones that are readily available along so many beachfronts of that state are so treasured that they now have that official title...

Fire Agates is a layered stone that is formed then water that is saturated with colloida silica and iron oxide enters a cavity in a rock and the mineral in the water starts do form new rock...