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 71
Fig. 76. … Fig. 77. they are more prismatic. Hausmanite appears like fig. 77,in which the fundamental pyramid P prevails, on whose polaredges other crystals are often very symmetrically repeated. POEM OF MINEEAXS. 65 a central individual appearing like the support of all theothers. Almost identical forms…
Precious stones · Building stones · Mineralogy
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