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 56
he brachypinacoid ooPoo (J), and thebasal pinacoid OP (P). Another instance is fig. 54 of alievrite crystal, where the brachyprism and pyramid com-bine with the macrodome, or ooP2 ; P . Poo . The follow-ing figures are very common forms of barytes; figs. 55 and FOEM OF MINERALS. ^0 56 being both… … ^^f 0 ^^\ /--■T d \J^ V.-r—- _ ..j.^^-^ Fig. 58.
Precious stones · Building stones · Mineralogy
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