Tourmaline: United States National Gemstone
<div>Where can I be found?</div><div>Madagascar, North America, Brazil, Myanmar (Burma), Africa, Siberia, Australia, Sri Lanka (Ceylon)</div> geology.com
<div>Physical Properties:</div><div>Can be found in any color,</div><div>Vitreous (A glasslike appearance,Transparent,</div><div>poor cleavage or bad ability to break into flat pieces</div> www.diamond-jewelry-pedia.com
<div>Chemical Formula: NaR32+Al6B3Si6O27(OH,F)4 </div><div>Where R = Fe2+, Mg, or (Al + Li)</div><div><br></div> www.rocksandminerals.org
<div>Interesting Facts:</div><div>Tourmaline is the U.S National Gemstone,There are more colors of tourmaline than any other known gemstone, The lighter colored stones are more valuable.</div> upload.wikimedia.org
<div>Unique Applications: Tourmaline is used as a gemstone and because of its double refraction and piezoelectric properties is also used in polarizers and some pressure gauges.</div> www.bhphotovideo.com
<div>MOH's Hardness/Durability: 7.0</div> nearlynakedmagazine.com
<div>See the Rainbow!</div> img13.deviantart.net
<div>Video: Somewhere Over the Rainbow</div> www.youtube.com The Wizard of Oz movie clips: http://j.mp/1L5gtKP BUY THE MOVIE: http://j.mp/v4LU0Y Don't miss the HOTTEST NEW TRAILERS: http://bit.ly/1u2y6pr CLIP DESCRIPTI...
<div>Video of Tourmaline</div> www.youtube.com Once proposed to be the national gemstone of the United States, tourmaline is found all over the world and in a variety of colors. Tourmaline is the most col...
<div>Works Cited: https://docs.google.com/document/d/1FI_5CxGxbbwhn1sXWXJxEH9RPDHOtvoPLU_7daBECwo/edit?usp=sharing</div>

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