| | Book | - . . . . 148 to 150 SALTs of BARYTA - Heavy Spar and Witherite - - - 149 Alstonite and Baryto-calcite... º 152 to 154 - - 154 to 156 Case G. Fluon SPAR t . - • - Case H. CALCITE * - e - - Case...the floor of the principal room is devoted to the mine rals, and to their application in the arts. In...quartz, fluor-spar, and chlorite ; more rarely with tin ore, zinc-blende, galena, and calc-spar. The ore is...associated with quartz. From the Great St. George Mine, Perran Perth, Cornwall. Presented by H. Humphries |
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