(NsRAWNITELXNOE IZU^ENIE GRUZINSKIH AGATOW I KARELXSKIH HALCEDONOW (B/s - (NiSK@LX(B, (Ne(B. (Nw(B.s ((NmOSKWA (B; s (NlENINGRAD (B: s (Nb(B. (NI(B., s, 1937)
Keywords: (NgEOLOGI^ESKIE NAUKI (B- (NpETROGRAFIQ (B- (NgRUZIQs; (NgEOLOGI^ESKIE NAUKI (B- (NmINERALOGIQ (B- (NgRUZIQs