Here is one reason I don't teach 4th grade... I don't know the name of this rock, er, gem. Someone tell me. I don't think it's quartz.
This shot is selective color: blue and cyan remains, the other colors go to grayscale.
Year 3, Day 184
Friday, June 12, 2009
a cool looking gem-type rock
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1 comment:
It looks like a geode, or "thunderegg". I have to admit I knew the answer once, but had to google it to be sure...
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