ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1. Differential thermal analysis of opal and quartz. 1, Milky opal, White Cliffs, New South Wales; 2, brown common opal, Sunbury, Victoria; 3, brown opal, locality unknown; 4, quartz, run at the same sensitivity as the opals Typical traces are shown in Fig. 1. Most glassy opals (including ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1981191a0
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