7 results for imperial

In my last two blogs I talked about the history of mining in Arizona and the mining towns still active today.  There are a lot of ghost towns in Arizona because of mining activity.  There a ...

Imperial Jasper and Royal Imperial Jasper are dense, very fine grained and exceptionally hard jaspers. Both of them are highly prized porcelain jaspers. Because of their fine grain, porcelain ja ...

Origin of Names for Rocks and Minerals How do rocks and minerals get their names? Rock and Mineral names can be traced quite often to Greek and to Latin. It is common practice to add an "ite" to ...