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 301
t gold-yellow stone. The chrysolite occurs in prismatic forms, generally aright prism with rectangular bases; also, in angularrounded crystalline grains or massive;the fracture is conchoidal; it is trans-parent and translucent; it possessespowerful double-refracting power; itslustre is vitreous and… … Fig. 10. CHRYSOLITE. 295 specific gravity, 333 to 3*44; becomes electric by rubbing;is infusible by itself before the blowpipe, but is dissolvedinto a transparent pale-green bead with borax; acids donot affect it; it consists of magnesia, silica, and oxide ofiron. Chrysolite is found particularly…
Precious stones · Building stones · Mineralogy
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