Books by Silas Earthfield
Silas Earthfield
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Rockhounding in Utah
A Complete Field Guide to Topaz, Red Beryl and 70 Plus Gems, Minerals, Crystals and Fossils with 20 Verified Collecting Sites
Silas Earthfield
Paperback
Published:
2026
Rockhounding Florida
The Ultimate Field Guide to Finding Shark Teeth, Megalodon Fossils, Agatized Coral, and Rare Minerals
Silas Earthfield
Paperback
Published:
2026
Rockhounding Michigan
A Complete Field Guide to Petoskey Stones, Copper Nuggets, Lake Superior Agates and 70 More Gems, Minerals, Crystals and Fossils with 40 Collecting Sites and GPS Coordinates
Silas Earthfield
Paperback
Published:
2026