About: http://webisa.webdatacommons.org/95095770

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The crystals are said to be 500,000 years old and were formed from the underground magma (situated below the cave) which maintained the water at a stable temperature of 50??C, saturating it with minerals, including gypsum.
http://www.w3.org/ns/prov#wasQuotedFrom	tourismontheedge.com