Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 221
f rocks, they grow downwards. The coral that is known in commerce presentsitself in the form of little trees more or less branched;but in the living coral all the branches are coveredwith a sort of pale-coloured fleshy rind, glossy and 200 PRECIOUS STONES. polished, showing at its surface a great… … Fig. 86.—Polypes of Coral in different degrees of development. It will be seen that their eight extended tenta-cules, pointed and incised along their edges, joinedto the completely white colour of the animalsthemselves, present an ensemble which a centuryor two ago might well be taken for a flower.…
Precious stones · Diamonds · Gems
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