Message:

<p>[QUOTE=&quot;Bronwen, post: 381748, member: 5833&quot;]The color is a pretty common one.&nbsp; Between naturally occurring colors &amp; dyes (I have seen newer pieces in pink &amp; green), there is a range from white to black, with various earth tones between.&nbsp; This gang belong to me, so I have been able to examine them directly &amp; confirm the material:</p><p><br /></p><p>[ATTACH=full]131911[/ATTACH] </p><p>This parure, alas, is not mine:</p><p><br /></p><p>[ATTACH=full]131912[/ATTACH]</p><p><br /></p><p><br /></p><p>I&#039;m not a geologist, but I play one on the Internet.&nbsp; No, really, there is much more I would like to know about &#039;lava&#039; cameos.&nbsp; There is not much to find written about their making.</p><p><br /></p><p>I even bought a little book on volcanoes to try for a better understanding.&nbsp; One thing I knew from handling a number of them is that some are coarser/grainier while others can be quite smooth.&nbsp; This can be explained by the distance from the source at which the material was collected.&nbsp; Ash is carried from the eruption on the wind, with larger, heavier particles dropping to the ground sooner.</p><p><br /></p><p>A cautionary tale about what can happen with bad handling:</p><p><br /></p><p>[ATTACH=full]131913[/ATTACH]</p><p><br /></p><p>It is also instructive about the surface vs. the underlying material:</p><p><br /></p><p>[ATTACH=full]131914[/ATTACH][/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in