. Bulletin - New York State Museum. Science. GUIDE TO THE MINBRALOGIl COLLECTIONS KIT Tourmalin (schorl) Tourmalin is a complex silicate of boron and aluminium with appreciable amounts of either magnesium, iron or the alkali metals. It crystallizes in the rhombohedral-hemimorphic class of the hexagonal system in prismatic crystals, sometimes shori and thick as in fig. 230 or elongated with vertical striatums. bu1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not
. Bulletin - New York State Museum. Science. GUIDE TO THE MINBRALOGIl COLLECTIONS KIT Tourmalin (schorl) Tourmalin is a complex silicate of boron and aluminium with appreciable amounts of either magnesium, iron or the alkali metals. It crystallizes in the rhombohedral-hemimorphic class of the hexagonal system in prismatic crystals, sometimes shori and thick as in fig. 230 or elongated with vertical striatums. bu1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
