Agate

 

var. of Chalcedony
silicon dioxide
SiO2

Amethyst Geode with Agate Shell and a Single Clear Quartz Crystal
Dugway Geode Beds, Utah
Collected on 27 Aug 2006

Complex Amethyst Geode
Dugway Geode Beds, Utah
Collected on 27 Aug 2006

Amethyst Geode with Agate Shell
Wolf Creek, Colorado
Collected on 8 Oct 2008

 Posted by at 6:37 pm