¹ Source: wiktionary.com
Definition of Perthites
1. perthite [n] - See also: perthite
Lexicographical Neighbors of Perthites
Literary usage of Perthites
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Natural History of Igneous Rocks by Alfred Harker (1909)
"The analyses of perthites give probably the closer approximation, and this value
has been adopted in Fig. 78. It is to be remarked that the eutectic ..."
2. Optical Projection: A Treatise on the Use of the Lantern in Exhibition and by Lewis Wright (1895)
"Among those I know to be effective, are the coarse sandstones, granites, perthites,
zeolites, cross sections of small stalactites, and labradorite. ..."
3. Elemente Der Geologie by Hermann Credner (1897)
"... des perthites wird Einschüssen. Nach zi>*«i. durch Blättchen von Eisenoxyd
hervorgebracht, radial angeordneten fremdartigen in ähnlicher Weise rührt der ..."
4. Microscopical Physiography of the Rock-making Minerals: An Aid to the by Harry Rosenbusch (1889)
"... for the perthites. Index of refraction low ; /?„„ = 1.504—1.581, according to
Forstner, not determined directly, but calculated from the axial angle. ..."
5. Microscopical Physiography of the Rock-making Minerals: An Aid to the by Harry Rosenbusch (1888)
"... gravity lies between that of orthoclase and albite, 2.57-2.60. and rises with
the percentage of albite. It is exactly the same as for the perthites. ..."
6. Handbook of Canada by Robert Ramsay Wright, James Mavor (1897)
"... tourmalines, etc., of Quebec, the jaspers and agates of Nova Scotia and Lake
Superior, and the perthites and ..."
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