| Felspar* |
E. SPE.\"CER, D.Sc. (Lond.), A.R.S.M., F.I.C., ~l.l.l\LJYI., F.G.S.
Pages :105-115
DOI : 10.1080/0371750X.1944.11012054 |
| Abstract |
| The name 'felspar' is applied to a group of alumino-silicate&
of potllssium, sodium or calcium or of ali three, rarely of barium.
The felspars are of great importance as rock-forming minerals,
in fact they may be compared in importance with all other
mineral groups combined, since they constitute aLout GO}~ of
igneous rocks and serve as a basis for their classification. The
alkali felspars are extensively used in poreelain, pottery and
glass inuustries. |
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