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May 19, 2012

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Wonderful pictures! The magnetite pics are particularly interesting, though I'm a big fan of olivine. Given the composition of the sand, shouldn't the goddess' dress be olivine green?

If you're on Facebook, look up http://www.facebook.com/karen.locke.984. I've got three microphotographs (well, four if you count my avatar), and one is of serpentinite with relict olivine crystals. The cover microphotos are of graywacke, the serpentinite, and a metavolcanic. The avatar is a diabase with lots of clinopyroxine. Serpentinite and diabase are taken under crossed polars. All are photos taken from pebbles gathered from the drilling of water-monitoring wells in the Santa Clara Valley, California.

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