Talk:Lead glass
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[edit] Safety
We could do with some more information on lead safety, including some links. —Ben FrantzDale 20:30, 5 June 2006 (UTC)
[edit] Density
I think the atomic number matters more than the atomic weight to the optical properties, since it dictates the number of electrons. Light won't care about neutrons. Besides the information on the density is redundant 2400kg/m3 equals a specific gravity of 2.4, no reason to state both. As for the high end, one sentence (verified) says "may exeed 4", the other claims "up too 5.9". —Preceding unsigned comment added by 130.225.100.170 (talk) 07:47, 26 March 2008 (UTC)