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To illustrate: the absolutely pure sapphire, pure aluminic oxide, crystallized, is commonly colorless, but we know that Nature's most beautiful sapphires are not colorless, but are blue, and of other beautiful tints.
From Negro Folk Rhymes Wise and Otherwise: With a Study by Thomas Washington Talley
This can be counteracted by precipitating in both solutions a mixture of ferric and aluminic hydrates, which settles readily and leaves the supernatant liquor clear.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer
Then a greenish white solid sublimed, and this was found to be aluminic ethylate.
From The Galaxy, Volume 23, No. 2, February, 1877 by Various
Ferric or aluminic salts would remove their equivalent of arsenic, and, consequently, must be removed before titrating.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer
Others—the alums, ferrous sulphate, ferric chloride, magnesic and aluminic chlorides, bleaching powder, camphor, salicylic acid, chloroform, creosote, and carbolic acid—decidedly arrested the development of bacteria.
From Scientific American Supplement, No. 288, July 9, 1881 by Various
