Ch. 7: Index

1 Page 012 into which they are intruded are in some places granites, bu
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2 Page 160 beryl is a silicate of beryllium and alumina
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3 Page 161 striated vertically, and most of them terminated by a single
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4 Page 161 Some of these reach remarkable dimensions; one found in the
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5 Page 161 Opaque crystals are quite common in most of the coarser pegm
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6 Page 161 Maine Feld­spar Company's quarry at Mount Apatite in Auburn
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7 Page 162 Edgecomb Mountain in Stoneham
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