turquoise - a mineral, hydrous phosphate of copper and aluminium

turquoise - a hydrous phosphate mineral of copper and aluminium CuAl6(PO4)4(OH)8·4H2O
I learned to look at hands, which I'd never looked at before...and I learned also that shadows are not black but coloured

Saturday, November 13, 2010

Ca20


CALCIUM
face-centered cubic

soft gray alkaline earth metal

5th most abundant element by mass in the earth's crust
5th most dissolved ion in seawater

essential for living organisms, in cell physiology, it is the most abundant metal mass in many animals: some animals have it in more abundance than others (I will add one of my x-rays to this post when I return home, if it will photograph, and y'all can see some of my internal calcium)




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