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|  19th February 2005, 05:27 AM | #11 | 
| Member Join Date: Dec 2004 Location: Houston, TX, USA 
					Posts: 1,254
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			Actually though we may have forgotten, I think it is very easy for anyone not familiar with either to confuse or conflate the two; the primary visual difference is contiunual curved layers vs. patchy small layers; not a very big difference to the many people who are not much used to thinking about material structures....
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