12, gold, Mexico (3803, R) Scorodite: 2.6, purple, South-West Africa (3793) Sillimanite: 5.9, black (a cat’s-eye), South Carolina (3600, L) Sinhalite: 110, brown, Ceylon (3587) 44, brown, Ceylon (3548, L) Sphalerite: 73, yellow-brown, Utah (3556) 69, yellow-brown, Utah (3362) 60, yellow-green, New Jersey (3874, Roebling) 48, yellow, Mexico (2167, L) 46, yellow, Spain (3707, L) Sphene: 0.8-9.3, sixteen stones, gold, Switzerland (2043, Nina Lea) 8.5, brown, New York (550) 5.6, yellow-brown, Mexico (3290) 5.2, yellow-brown, Mexico (3292) Staurolite: 3, dark red-brown, Brazil (3795) Tektite: 23, brown, Czechoslovakia (681, L) Wernerite: 288, colorless, Burma (3783) 30, colorless (a cat’s-eye), Burma (3301, L) 29, pale yellow, Brazil (2098, L) 17, pink (a cat’s-eye), Ceylon (3238, Roebling) 12, pink, Burma (3674, L) Willemite: 12, orange-yellow, New Jersey (1898, L) 11, orange-yellow, New Jersey (4187, Lea) Zincite: 20, red, New Jersey (3386, R) [Illustration: Seal of the Smithsonian Institution] Transcriber’s Notes —Silently corrected a few typos. —Retained publication information from the printed edition: this eBook is public-domain in the country of publication. —In the text versions only, text in italics is delimited by _underscores_. End of the Project Gutenberg EBook of Gems in the Smithsonian Institution, by Paul E. Desautels