Posted by: frank Post Reply
The only problem is the asbestos like particles that can infest serpentine. The Clear creek area of northern California which is famous for it's jadeite deposit was closed for years because there is so much asbestos in the serpentine .We have the same situation in Washington without the jadeite at Sumas mountain on the Canadian border where serpentine laden with asbestos landslides into neighborhoods during the winter landslide season. I wish there were more historical uses of serpentine for beads on the west coast but they seem to be very rare.
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