A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . icols, in thin sections, is handsomely representedby a noble suite of Colorado specimens (fine twin combinations)among which 9305, 9308, 9315, 9319, 9325, 9327, 9328, 9331, 9332, 9333> 9337, 9339, 9340, 934/, 9343, 9344, 9347, 9348, 9349, 9350,9351 (from Wilcox Collection), 9359a, merit particular in glassy transparent crystals from Binnenthal, is suc-ceeded by the excellent series of Albite. Here are fine exampl
A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . icols, in thin sections, is handsomely representedby a noble suite of Colorado specimens (fine twin combinations)among which 9305, 9308, 9315, 9319, 9325, 9327, 9328, 9331, 9332, 9333> 9337, 9339, 9340, 934/, 9343, 9344, 9347, 9348, 9349, 9350,9351 (from Wilcox Collection), 9359a, merit particular in glassy transparent crystals from Binnenthal, is suc-ceeded by the excellent series of Albite. Here are fine examples, ofcourse, from St. Gothard, Oberwald, Tavetsch, Wallis, and othertyrolean localities, large crystals from Topsham Me., HaddamConn.; a crystallized peristerite from Alacomb N. Y. (9412), strik-ing objects from Leiperville, Pa., Amelia Court House, Va., andtwisted crystals from Magnet Cove, Arkansas. ^^^^^^^ • ^^^^?ttivT^^^^^Wl^^S \^^^H i ^^^M^^^H K W H^HlHil ?HI i 1^^^^IP*^^S^^HHR ^nS^^^IB l^Hl^i^^Hi ^^HP^d -jmjdk f^^^^^^^^^^^^^^^^^^H ? f ll^^ 1 inch ERYTHRITE . Schneeberg, Saxony, GermanyBement Collection, American ^luseum of Natural History. APATITE Renfrew Co., Ontario, CanadaBement Cpllection, American IMuseuni of Natural History i BEMENT COLLECTION 28*^ Oligoclase in crystals, from Arendal, Norway ; black crystalsof Andesine in a matrix of pyrrhotite from Silbcrhcrj^-, Siberia,with saccharite*; Labradorite (notice 9455, 9454); Anorthitefrom Mt. Somma, flesh colored crystals from Fassathal, Switz.,from Japan, and the doubt fid green specimens from FranklinFurnace, N. J.; Leucite, (9485, 9486, 9488, 9492) ; Polliicite, wellshown crystallized in 9494 from Elba; Enstatite, from Bamle,Norway, with American localities, and diaclasitc in crowded smallbronzy crystals from the Hartz; Hypersthcne, follow. Pyroxene, is well developed, and remarkable specimens fromCanada and northern New York have been taken from the Jo-seph Wilcox collection; these are particularly
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmineral, bookyear1912
