A popular treatise on gems, in reference to their scientific value; a guide for the teacher of natural sciences, the jeweller, and amateur: together with a description of the elements of mineralogy, and all ornamental and architectural materials .. (1859)
Feuchtwanger, Lewis. [from old catalog] · New York, D. Appleton & company · leaf 74
Fis. SC Fisr. ST. similar. In staurolite, individuals of the prismatic combi- tion GoP . coPco . oP, combine either, as in fig. 86, by a face of the brachydome fPoo, with their chief axes almost at right angles; or, as in fig. 87, by a face of the brachypyramid fP|, the chief axes and the…
Precious stones · Building stones · Mineralogy
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