334 Bibliography
Natures, Virtues, and Qualities of all Precious Stones, with a Discovery of all such as are adulterate and counterfeit. London, 1659.
Northrup (H. D.)· Beautiful gems. 1890.
Ochtchepkoff (J. W.). Qui a découvert le Diamant dans les Montes Ourals? [In Bul. Soc. Oural. Sei. Nat., vii., p. 87, 1884.]
Opals (Australian). [In Iron, xxii., p. 490, 1883.]
Orpen (G.). Stories about famous precious stones. 1890.
Orpheus. Hymni et de Lapidibus. Gr. Lat., curante A. C. Eschenbachio; accedunt H. Stephani notse. Traj. ad Rh. (Cologne), 1689.
Orton (J.). Underground treasures. Philadelphia, 1881.
Page (D.). Economic Geology. London, 1874.
Paracelsus (Philippus Aurelius Theophrastus) . Nine books on the nature of things; into English by J. P. London, 1650.
------. Of the chymical transmutation, genealogy, and
generation of metals and minerals [tr. by R. Turner]. London, 1657.
Parrot (------). Notices sur les Diamants de l'Oural. [In
Mem. de l'Acad. Imp., St. Petersburg, 1832.]
Partsch (P.). Beschreibendes Verzeichniss einer Sammburg von Diamanten und der zur Bearbeitung derselben nothwendigen apparate. Wien (Vienna), 1822.
Paxman (J. N.). The diamond fields of South Africa. [In Eng. Min. Jour., xxxv., p. 382.]
------. On the diamond fields and mines of Kimberley,
South Africa. [In Proc. Inst. Civil Eng., lxxiv., p. 59.]
Paxton (J. R.). Jewelry and the precious stones. [By Hipponax Roset, pseudon.] Philadelphia, 1856.
PETZHOLDT (M.). Beiträge zur Naturgeschichte des Diamants. Dresden und Leipzig, 1842.
Philostratus. De Vita Apolonii.
Piererus (G. P.). Lazulus, Dissertatio chymico, medica. Argentorati (Strasburg), 1668.
Pinder (------). De Adamante Commentatio Antiquaria.
Berlin, 1829.