Sun 21 Dec, 2014 11:44 am - It's not blue. It probably looks like that because i turned on flash when i took photos.
http://i.imgur.com/W9t8kxN.jpg
http://i.imgur.com/0kYY5BH.jpg
It feels like cement. (view)
Sun 21 Dec, 2014 10:38 am - I found it in my garden in Osijek, Croatia
http://i.imgur.com/gba8Etf.jpg
http://i.imgur.com/lyG3JgD.jpg
http://i.imgur.com/n6XWPcN.jpg
http://i.imgur.com/sZdt69D.jpg... (view)