Day, Arthur L.  1869-1960. <br/><br/>
The isomorphism and thermal properties of the feldspars /  [by] Arthur L. Day 

 - Washington, D.C.,  Carnegie Institution of Washington,  1905. 
 - 95 p.  illus., XXVI (i.e. 27) pl.  27 cm. 
<br/><br/>Part I- Thermal study [by] Arthur L. Day and E. T. Allen. Part II- Optical study [by] J. P. Iddings. With an introduction by George F. Becker. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CRISTALOGRAFIA<br/>FELFESPATO<br/>ROCAS
<br/><br/><label>Universal Decimal Class. No.: </label>548