Agates by Johann Zenz

Agates by Johann Zenz is widely regarded as one of the most comprehensive and visually impressive works ever published on the subject of agates. This monumental volume explores agate localities from around the world, combining in depth geological research with exceptional full color photography that highlights banding structures, inclusions, pseudomorphs, and formation processes in remarkable detail.

Zenz presents agates not simply as collectible specimens, but as geological records that document volcanic history, silica deposition, and mineral growth over time. The photography is museum quality, making this book both a serious scientific reference and a stunning visual showcase.

Now long out of print and increasingly difficult to obtain, Agates has become highly sought after by collectors. It currently retails for over $700 on the secondary market, reflecting both its rarity and its status as a definitive modern reference on agates.

An essential addition for advanced collectors, lapidaries, and anyone deeply interested in the geology and artistry of agates.