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Columbite-(Mg), Hydromagnesite, Quartz


Columbite-(Mg) : (Mg,Fe,Mn)(Nb,Ta)2O6, Hydromagnesite : Mg5[(CO3)4(OH)2] · 4H2O, Quartz : SiO2

Photo Copyright © Pavel M. Kartashov collection & photo  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Muzeinaya pegmatite vein, Kukh-i-Lal gem spinel Deposit (Kukhilal gem spinel Deposit), Pyandzh River Valley, Pamir Mts, Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni), Tajikistan
3x2x5 mm crystal of magnesiocolumbite in quartz matrix from type locality. Associating mineral is white agregate of hydromagnesite. Pavel M. Kartashov collection and photo.

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