  Dubnik opal mines  History  Harlequin  Something special  Video  Resources Content

  Mines are located 35 km from Košice between villages Červenica and Zlatá baňa  These opal mines are the oldest and largest opal mines in the world  In the Prešov we have exhibition of opals and they are also inserted into the clock  Slovak precious opal especially liked the family members of the Emperor Napoleon  One more unique Dubnik Opal Mines

  (Roman times)  30 tunnels with a total length of over 22 km  Slovak opal mines were dragging a single location in the world History

  discovered in 1775  Červenica  Its dimensions are honorable  Clear, rainbow  Maticovy opal  Stone enjoyment of life Harlequin

  Pie harlequin

  Currently, the flooded portion of the mine is Viliam  You can dive here with the experts and look at things which normally human won´t see  Altitude 594 m  Water temperature 5 C all year round  PH of water from 2.8 to 3.0 (acid!)  Visibility theoretical 100 m Something special

 Video

   zyk=1 zyk=1  A9_bane_Dubn%C3%ADk A9_bane_Dubn%C3%ADk  lokality.html lokality.html  Resources

 Thank you for your attention Renáta Gdovinová Simona Tereková II.D