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| Photo by Marty Horowitz 4/6/2014 |
Shadows of Fairy Duster (Calliandra eriophylla) fruits on rock. At least 4 of the 5 common minerals found in Sabino Canyon rocks can be seen in this rock. Quartz - white, sugary looking; feldspar - white, not sugary; mica - shiny; magnetite - black, magnetic; and garnet - red, also called sand rubies. These are what you pan for if you go panning in Sabino Creek. (Any gold you find can be sent to me.)
Speaking of rocks, if you haven't been watching the new Cosmos series, I urge you to do so. I can't recommend it highly enough. Neil deGrasse Tyson is just wonderful at explaining the wonders of the universe. Really. Fantastic. Even if you normally start to snore when a sentence begins with: "X million years ago..." (as I do), you'll be amazed at how easily you understand how the universe works. Prepare to be dazzled.
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