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ON THE RELIGIOUS USE OF VARIOUS STONES 285
Throne of God is said to have ' ' the appearance of a sapphire stone," and finds in this text a proof that blue denoted the glory of God.8 The ingenuity of the ancient commentators in finding hidden meanings in the simplest things is well shown by the assertion of Thomas de Cantimpré that St. John placed the emerald fourth in the list of foundation stones, because the four evangelists are constant in their praise of chastity.9 J
Certain gems mid stones have a definite relation and appropriateness to the various religious holidays and festi­vals. Notable among these is the rhodonite, a silicate of magnesia, named from the Greek word rhodon, "a rose," be­cause of its beautiful rose-pink hue. This is found more es­pecially in the Ural Mountains, and in Massachusetts, but in a number of other places as well. In the Ural Mountains one single mass was so immense that ninety horses were needed to move the 22-ton weight a distance of thirty miles to the Imperial Lapidary Works at Ekaterineburg; here the material was cut up into smaller masses to be finally worked up in the Imperial Lapidary Works at Peterhof into a sarcophagus and tomb for the Emperor Nicholas I.
This stone is a great favorite in Russia, and is frequently cut into egg-shaped ornaments, either in the form of a simple egg, or of one with à halo and a moonstone effect at one end. It may well be termed the "Easter Stone." For those un­able to afford such an egg-shaped piece of rhodonite, a yellow fibrous gypsum or satinspar cut into a similar form may be substituted. Jade cut in the same way is also some­times favored, as well as many varieties of rock-crystal.
In marked contrast with the joyful festival of Easter stands the most solemn day of the Christian year, Good
•Ibid. col. 644.
•Konrad von Megenberg'a version, "Buch der Natur," ed. by Dr. Frans Pfeiffer, Stuttgart, 1861, p. 459.