http://btvnovinite.bg/gallery/gallery/n ... erite.html
https://www.etsy.com/listing/516599922/ ... ref=market
https://www.etsy.com/listing/520021553/ ... ref=market
This kind of stones is also from Karst cave
https://www.etsy.com/listing/516599922/ ... ref=market
https://www.etsy.com/listing/520021553/ ... ref=market
This kind of stones is also from Karst cave