230 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



MINERALOGY (Continued) 



1620. HUTCHINSON, A. Ueber Stokesite ein neues Zinnmineral von Cornwall. 



Zeitschr. Kryst. Min., Vol. 34, 1901, Leipzig, pp. 345-352, text fig. 



Digest: Trans. Fed. Inst. Mg. Eng., Vol. 21, 1903, Newcastle-upon-Tyne and London, 

 p. 590. 



New tin mineral called stokesite, discovered in Cornwall. Colorless, conchoidal 

 fracture. H 4 CaSnSi 3 O u . The mineral may be regarded as a tetrasilicate of tin 

 and calcium. 



1621. JAMESON, ROBERT. Mineralogy. 



3d Ed. Vol. 3, 1820, Edinburgh, pp. 155-169. 



Tin ore is treated under: External characters; chemical characters; constituent 

 parts; geognostic situation; geographic situation; uses; observations. 



1622. JEBEMEJEV, P. Krystalle des Zinnsteins aus Transbaikalien. 



Verh. russ. kais. min. Ges., 2d sen, Vol. 11, St. Petersburg, pp. 273-280. [Russian.] 



1623. . Krystalle von Zinnstein aus einigen goldfiihrenden Sanden der 



Region des Jenissei. 



Verh. russ. kais. min. Ges., 2d ser., Vol. 23, 1887, St. Petersburg, pp. 269-284. 

 Digests: Neues Jahrb. Min., 1890, I (Ref.), Stuttgart, p. 16; Bibl. gol de la Russie, 

 par Nikitin, St. Petersburg, 1887 (1888), p. 79. 



1624. KOHLMANN, W. Beobachtungen am Zinnstein. 



Zeitschr. Kryst. Min., 1895, Vol. 24, Leipzig, pp. 350-365. 

 Compares many measurements of cassiterite crystals. 



LACROIX, A. See No. 516. 



1625. LAUNAY, Louis DE. Formation des gites mStalliferes ou me'tallogenie. 



1905, Paris, pp. 129-130. 



Brief summary in which he gives the ages of the tin deposits of the world. 



LETTSOM, W. G., and GREG, R. P. See No. 1614. 



1626. MATHER, W. "W. Contributions to chemical science. 



Amer. Journ. Sci. Arts, 1st ser., Vol. 27, 1835, New Haven, pp. 254-255. 



Describes crystals of metallic tin formed from a saturated solution of tin chloride. 



1627. MILLER, W. H. On the forms of the crystals of tin. 



London, Edinburgh, Dublin Philos. Mag. Journ. Sci., Vol. 22, 1843, London, pp. 

 263-265. 

 Measurements of metallic tin crystals formed by electrolytic action. 



1628. NOGGERATH, J. J. Gegcnden von Zinnwald und Altenberg. 



Jenaische Lit. Zeit., 1823, p. 370. 



Review: Zeitschr. Min. fttr 1825, Bd. I, Frankfurt-am-Main, pp. 558-563. 



1628a. NORDENSKIOLD, A. E. Beskrifning ofver de i Finland funna min- 

 eralier. 



1855, Helsingfors, p. 162, 2d Ed., 1863, p. 26. 



Quoted in Dana's " System of Mineralogy " (6th Ed. 19C9), p. 236. 

 Describes ainalite, a cassiterite containing Sn0 2 88.95, Ta 2 O 5 8.78, Fe,O 3 2.04 CuO 

 0.78=100.55 from Pennikoja in Somero, Finland, with tantalite and beryl in albite. 



1629. PEARCE, RICHARD. Siliceous oxide of tin after quartz and allophane 



found in Cornwall. 



44th Ann. Rop. Roy. Inst. Cornwall, 1862, pt. 1, Truro, pp. 19-20. 

 vailable to the authors. 



