Filter
Sten, mineral & fossil
Filter
Play your favorite card games while learning to identify rocks and minerals. Based on the top-selling Rocks & Minerals field guides by Dan R. Lynch, this gorgeous deck of playing …
Play cards and learn about agates!There's nothing like a Lake Superior Agate in all its banded glory. Based on the Agates of Lake Superior book by Dan R. Lynch and Bob Lynch, this …
Play cards and learn about agates!There's nothing like the incomparable beauty of an agate. This gorgeous deck, put together by acclaimed Rocks & Minerals author Dan R. Lynch, …
From the spiky teeth of a geode containing sparkling quartz crystals, the rich browns and golds of smoky quartz and goethite needles on calcite, and the coral-like branches of …