Are there opportunities for rockhounding and gemstone hunting in Sheboygan’s geological formations?Home / Sheboygan Q&A / Are there opportunities for rockhounding and gemstone hunting in Sheboygan’s geological formations? Sheboygan Q&A ByBrian Bateman August 18, 2023 ShareYes, Sheboygan’s geological formations provide opportunities for rockhounding and gemstone hunting, allowing enthusiasts to discover unique specimens.