Chemical Education Journal (CEJ), Vol. 6, No. 1 /Registration No. 6-2/Received July 9, 2002.
URL = http://www.juen.ac.jp/scien/cssj/cejrnlE.html



QUARTZ

Name: quartz
Occurs in: Brazil
Width of Picture: about 3 mm
Chemical Formula: SiO2

----------------------------------------------------------
Takanobu Oba
Geoscience Department, Joetsu University of Education
E-Mail:ohba@juen.ac.jp
----------------------------------------------------------

TopCEJv5n1CEJ Vol. 6, No. 1, Contents