This large patch of Soda straws glistens with drops of water.
were photographed in Cherokee Caverns in Knoxville. Like stalactites and stalagmites, these crystals are made up of calcium carbonate (CaCO3) which precipitates from dissolved limestone. A helpful website for learning about "speleothems" (a fancy name for cave formations) is: cave link
were photographed on a Florida beach, it is hard to believe they originated from rocks high in the Appalachian mountains long ago!
