http://nikolaygospodinov.tripod.com/

Rimma - Nikolay

Bulgaria

Mineral and Fossil Collection

http://www.minerant.org/

mineral collectors page

http://www.miracle-mineral.com/

Agate and mineral specimens from Bulgaria,
amethyst collector and designer cabochons, natural druse

http://www.nmnh.bas.bg/default_en.htm

National Museum of Natural History,

Bulgarian Academy of Science, Sofia

http://earthandman.org/

Earth and the Man National Museum,

Sofia, Bulgaria

http://www.mindat.org/

the mineral and locality database