284869
Discovery and occurrence It was first described in 1817 for an occurrence in Horní Slavkov ( Schlaggenwald ) , Karlovy Vary Region , Bohemia .
 Schlaggenwald, Karlovy Vary Region
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Schlaggenwald, Karlovy Vary Region