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KOCHSÁNDORITE, A NEW Ca–Al CARBONATE MINERAL SPECIES FROM THE MÁNY COAL DEPOSIT, HUNGARY

István E. Sajó^1, and Sándor Szakáll²

¹ Chemical Research Center of the Hungarian Academy of Sciences, Pusztaszeri út 59–67, H–1025 Budapest, Hungary
² Department of Mineralogy and Petrology, University of Miskolc, H-3515 Miskolc, Egyetemváros, Hungary

View larger version (188K): [in this window] [in a new window]   FIG. 1. Brown coal from Mány, containing a layer of kochsándorite spherules (field of view 22 mm wide), (b) Böhmite (bhm) nodules and kochsándorite (ko) replacing böhmite (field of view 40 mm wide).

View larger version (170K): [in this window] [in a new window]   FIG. 2. SEM micrograph of a spherical aggregate of kochsándorite, Mány deposit.

View larger version (177K): [in this window] [in a new window]   FIG. 3. SEM micrograph of needle-like kochsándorite crystals, Mány deposit.