Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 193
ication approaching theform of the dodecahedron. Generally speaking, each of the two types has itsown particular colour, which is shared by the crys-tals belonging to it. The first is a brownish andgreenish-yellow, the second brownish-red. Wernercalled the rhomboidal type hyacinth, and the… … Fig. 77.—The Zircon. Fig. 78.—Modified Zircon. valued. They take on an excellent polish, displayan adamantine lustre and fire, and will pass for dia-monds if not too closely inspected. The zircon,
Precious stones · Diamonds · Gems
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