SiO2-phases
Project GPF170/2013 – Mineralogical characterization of SiO-phases occurring in the region of village Nanovitza, Eastern Rhodopes, Bulgaria – Chief assist. prof. N. Tzankova (project leader), Assoc. prof. R. Pazderov, Assist. prof. L. Mihailov, V. Popova (student), G. Metodieva (student), M. Matova (student).
Carnelian
SiO2-phases and host rocks
SiO2-phases and host rocks
SiO2-phases and host rocks
SiO2-phases and host rocks
SiO2-phases and host rocks