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<p>[QUOTE=&quot;Bronwen, post: 289239, member: 5833&quot;]Carnelian/cornelian &amp; sard are really names for certain shades, orange - brown, of chalcedony, which is a form of quartz.&nbsp; It is the main component in agate.&nbsp; The beads in necklace # 1 are what banded agate looks when there are no more colorful shades of chalcedony in the layers.&nbsp; Wherever the beads are orange/brown, they are carnelian; where they are not, they are plain chalcedony. Think the beads would all qualify as agate; the oval ones just grew in a more orderly fashion.&nbsp; Agate is not always so neatly stratified.</p><p><br /></p><p>The beads in the strand on the left are quite similar to some I bought to replace the plastic ends on the cords for my venetian blinds; I had a cat who chewed off every single one from 5 windows.&nbsp; I got them in a bead store that was run by a guy who also had a gallery of &#039;ethnographic&#039; art.&nbsp; He told me they were &#039;antique&#039;.&nbsp; Not sure how scrupulously he was using that term, maybe just to mean made by hand.&nbsp; Think they may have came from somewhere in the vicinity of the Himalayas.[/QUOTE]</p><p><br /></p>

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