The Kaiserbach valley in the HUNSRÜCK (mountain range between IDAR OBERSTEIN and the MOSEL) is the site of AMETHYST , ACHAT , jasper and other quartz VARIETIES: .
These minerals were formed about 290 million years ago, during millions of years of strong volcanic activity, in a mighty BASALT BODY.
First-class AMETHYST LEVEL with CALCIT .
Weight: 1.85 kilograms Dimensions: 17 x 11 x 12 cm