Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-25T10:10:15.566Z Has data issue: false hasContentIssue false
  • English
  • Français

A contribution to the study of moonstone from Ceylon and other areas and of the stability-relations of the alkali-felspars

Published online by Cambridge University Press:  14 March 2018

Edmondson Spencer
Get access Rights & Permissions [Opens in a new window]

Extract

Ceylon moonstone is probably the best known variety of those alkali-felspars which display a prominent internal colour reflection or ‘schiller’. On account of its blue sheen and its clear transparency, the mineral has attained a certain degree of popularity and some value as a gem-stone.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 22 , Issue 130 , September 1930 , pp. 291 - 367
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1930

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Alling, (H. L.). The mineralography of the feldspars. Part I. Journ. Geol. Chicago, 1921, vol. 29, pp. 193–294; Part II, 1923, vol. 31, pp. 285-305, 353-375.Google Scholar
2. Alling, (H. L.). The potash-soda feldspars. Ibid., 1926, vol. 34, pp. 591-611.Google Scholar
3. Bøggild, (O. B.). On the labradorization of the feldspars. K. Danske Vidensk. Selsk., Mat. fys. Medd., 1924, vol. 6, no. 3, pp. 1–79.Google Scholar
4. Brøgger, (W. C.). Die Mineralien der Syenitpegmatitgänge der südnor- wegisehen Augit: und Nephelinsyenite. Zeits. Kryst. Min., 1890, vol. 16, pp. 524–551.Google Scholar
5. Byelyankin, (D.). On the specific gravity and refraction of the potash- soda-felspars. Izvyestiya (Bull.) Petrograd Polytechn. Inst., 1916, vol. 24 (for 1915), pp. 437–452. Through Min. Abstr., 1922, vol. 1, p. 89.Google Scholar
6. Clark, (T. H.). The origin of graphite. Econ. Geol., 1921, vol. 16, p. 174.Google Scholar
7. Coomaraswamy, (A. K.). On Ceylon rocks and graphite. Quart. Journ. Geol. Soc. London, 1900, vol. 56, p. 606.Google Scholar
8. Coomaraswamy, (A. K.). Mineral resources of Ceylon. St. Louis Exhibition Guide, Colombo, 1904, pp. 4–5.Google Scholar
9. Coomaraswamy, (A. K.). The rocks and minerals of Ceylon. Colombo Museum Guide to Collections, 1905, pp. 50-66.Google Scholar
10. Coomaraswamy, (A. K.). Ceylon Administrative Reports. Part IV (Misc.), 1903, pp. 6 and 10; 1906, p. 6.Google Scholar
11. Cross, (C. Whitman). On the lustre exhibited by sanidine in certain rhyolites. Bull. U.S. Geol. Survey, 1885, no. 20, pt. 3, pp. 75-80.Google Scholar
12. Dittler, (E.). Die Schmelzpunktskurve von Kalinatronfeldspäen. Tscherm. Min. Petr. Mitt., 1912, vol. 31, pp. 513–522.Google Scholar
13. Emmons, (S. F.). Geology and mining industry of Leadville, Colorado. Monogr. U.S. Geol. Survey, 1885, vol. 12, pp. 348–350.Google Scholar
14. Kôzu, (S.) and Endô, (Y.). X-ray analysis of adularia and moonstone, and the influence of temperature on the atomic arrangement of these minerals. Sci. Rep. Tôhoku Imp. Univ., Ser. 3, 1921, vol. 1, pp. 1–17.Google Scholar
15. Kôzu, (S.) and Suzuki, (M.). Optical, chemical and thermal properties of moonstone from Korea. Ibid., pp. 19-23.Google Scholar
16. Kôzu, (S.) and Suzuki, (M.). The influence of temperature on the optic axial angle of adularia, yellow orthoclase and moonstone. Ibid., 1925, vol. 2, pp. 187—201.Google Scholar
17. Kôzu, (S.), Saiki, (S.), and Susuki, (M.). The thermal expansion and the temperature-influence on the optic axial angle of the moonstone from Ceylon. Japanese Journ. Geol. and Geogr., 1924, vol. 3, pp. 39–48.Google Scholar
18. Kôzo, (S.) and Saiki, (S.). The thermal expansion of alkali-felspars. Sci. Rep. Tôhoku Imp. Univ., Ser. 3, 1925, vol. 2, pp. 203–238.Google Scholar
19. Kôzv, (S.) and Masuda, (M.). The influence of temperature on the path- difference and on the schillerization in soda-orthoclase and moonstone. Ibid., 1926, vol. 3, pp. 1-9.Google Scholar
20. Mäkinen, (E.). Über die Alkalifeldspäte. Geol. Fören. Förh., 1917, vol. 39, pp. 121–184.CrossRefGoogle Scholar
21. Merwin, (H. E.). The temperature stability ranges, density, chemical composition and optical and crystallographic properties of the alkali feldspars. Journ. Washington Acad. Sci., 1911, vol. 1, pp. 59–60.Google Scholar
22. Morey, (G. W.). New crystalline silicates of potassium and sodium, their preparation and general properties. Journ. Amer. Chem. Soc., 1914, vol. 36, p. 215.Google Scholar
23. Morey, (G. W.) and Bowen, (N. L.). The melting of potash feldspar. Amer. Journ. Sci., 1922, ser. 5, vol. 4, pp. 1–21.Google Scholar
24. Parsons, (J.). Ceylon Administrative Reports, 1907, part IV, pp. E. 7-8.Google Scholar
25. Reusch, (F. E.). Ueber das Schillern gewisser Krystalle. Pogg. Annalen, 1862, vol. 116, pp. 392-412; 1863, vol. 118, pp. 256-282; 1863, vol. 120, pp. 95-118.Google Scholar
26. Rogers, (A. F.). Observations on the feldspars. Journ. Geol. Chicago, 1913, vol. 21, pp. 202–207.Google Scholar
27. Spencer, (E.). Albite and other authigenic minerals in limestone from Bengal. Min. Mag., 1925, vol. 20, pp. 365–381.Google Scholar
28. Spencer, (E.) and Sen, (K. B.). The use of mixed bromides in place of chlorides in the determination of alkalies. Analyst, 1929, vol. 54, pp. 224–226.Google Scholar
29. Vogt, (J. H. L.). Physikalisch-chemische Gesetze der Krystallisationsfolge in Eruptivgesteinen. Tscherm. Min. Petr. Mitt., 1906, vol. 24, pp. 437–542.Google Scholar
30. Warren, (C. H.). A quantitative study of certain perthitic feldspars. Proc. Amer. Acad. Arts and'Sci., 1915, vol. 51, pp. 127–154.Google Scholar
31. Winchell, (A. N.). Studies in the feldspar group. Journ. Geol. Chicago, 1925, vol. 33, pp. 714–727.Google Scholar