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Reviving Slovak Opal Mining History by tsbugi is a document available to read on EtoBox.
What is Reviving Slovak Opal Mining History about?
Slovak opal from the village of Červenica-Dubník was once a historically important gemstone known as Hungarian opal. Mining of the opal expanded in the 19th century under private ownership before coming under state control. While once a formidable competitor to Australian opal, mining ceased in the early 20th century. There are now efforts to revive the mining and promote these opals, considered Slovak, on the international market again.
- Author
- tsbugi
- Language
- EN