Occurences of turquoise mineralization revealed in the last years at the area of Paikhoy, the Polar and Subpolar Uеtals allow to set off the Urals-Paikhoy turquoise-bearing province The paper includes detail data on ...
Composition, structure and origin have been studied for newly discovered types of kutnahorite and rhodochrosite containing up to 8.5% of CoCO3. This is a unique peculiarity of the carbonate-manganese mineralization of ...