Photo: libutron: Tourmaline (red, orange and blue) | ©Giazotto Mineral Collection Coronel Murta, Minas... http://tmblr.co/ZvxFYy1e55GtQ
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Photo: libutron: Tourmaline (red, orange and blue) | ©Giazotto Mineral Collection Coronel Murta, Minas... http://tmblr.co/ZvxFYy1e55GtQ