Is This An Agate? An Illustrated Guide to Lake Superior's Beach Stones Michigan
Is This An Agate?
An Illustrated Guide to Lake Superior's Beach Stones Michigan
by Susan Robinson
2001 Book Concern Printers, Hancock Michigan
23 pages. New
Illustrated guide covers information for casual rockhounding the area's beaches as well as information for the collector.
Chapters include geological history of the Keweenaw, mineral desciptions for agates, quartz, jasper and others.
Rarer minerals are also discussed such as copper and datolite, as well as information and maps to beaches, museums and rock descriptions.