May I give you an answer instead of dr. Tchelnokov.
Mumiyo is the same Russian local medicine item as Indian one. It requires a patient's feith and has a wide range of application.
Best regards, Bekhterev Anton.
Some more things about it. The mumijo may work sometimes but not for fractures.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3139983/pdf/ECAM2011-738131.pdf
