August 7, 2014 at 09:59:15 UTC
This is the problem with mineralogy. You can pore over the same specimen again and again and keep finding something new. Hopefully all my fidgeting doesn't set off a growth surge in iridium - that would be awful.
Thanks cooner
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Iridium on August 8, 2014 at 20:29:13 UTC
.... pssst... it's quartz....
Fairbank on August 8, 2014 at 22:45:07 UTC
But quartz would be a tetrahedron! Lies! ;)
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Iridium
.... pssst... it's quartz....