The 110-plus caves of Carlsbad Caverns National Park were carved out not by running water and streams like many limestone caves in the world, rather these caves were dissolved by very aggressive sulfuric acid.
CHALCANTHITE - said to help further desires through communication abilities. It is also said to help one stay in the now and enjoy life, as well as get rid of feelings of abandonment. Chalcanthite is reputed to eliminate delays of things in progress. It is also used metaphysically for insight, clairvoyance, and psychic attunement. It is said to enhance one's ability to "read" people and situation.