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Ch. 2: Classification Gemstones

Ch. 2:  Classification Gemstones Page of 451 Ch. 2:  Classification Gemstones Text size:minus plus Restore normal size   Mail page  Print this page
E. Gems of the Fifth Rank
Hardness and specific gravity very variable. Colour almost always dull. Never transparent. Low degree of lustre. Value very insignificant, and usually dependent upon the work bestowed upon them. These stones, as well as many of the preceding group, are not faceted, but worked by the ordinary lapidary in the large stone-cutting works.
Ch. 2:  Classification Gemstones Page of 451 Ch. 2:  Classification Gemstones
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