The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 220
... Analcime has the same structural framework as leucite , but the smaller sodium atoms are each accompanied by a water molecule , thereby precluding structural distortion . Analcime occurs in three modifications , which probably result ...
... Analcime has the same structural framework as leucite , but the smaller sodium atoms are each accompanied by a water molecule , thereby precluding structural distortion . Analcime occurs in three modifications , which probably result ...
Page 221
... analcime are white , gray , or pink and usu- ally have trapezohedral forms . Leucite shows intimately twinned crystals on the dodecahedron faces when viewed in thin section , and analcime exhibits very poor cleavage . Specific gravity ...
... analcime are white , gray , or pink and usu- ally have trapezohedral forms . Leucite shows intimately twinned crystals on the dodecahedron faces when viewed in thin section , and analcime exhibits very poor cleavage . Specific gravity ...
Page 222
... Analcime has a tremendous range of environmental oc- currences . Under high water pressure , analcime replaces nepheline and feldspar as the mineral first crystallizing from a melt of potassium - poor material . This explains its ...
... Analcime has a tremendous range of environmental oc- currences . Under high water pressure , analcime replaces nepheline and feldspar as the mineral first crystallizing from a melt of potassium - poor material . This explains its ...
Contents
would become the principal reserve asset while gold | 36 |
Excretion the elimination of the waste products of | 50 |
Volumes | 431 |
Copyright | |
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