Elbaite skyscrapersThese wonderful crystals of bicoloured tourmaline from the national gem collectio
Elbaite skyscrapersThese wonderful crystals of bicoloured tourmaline from the national gem collection are a beautiful mix of near colourless pale peach tipped by a verdant green resulting from iron impurities during the last stages of growth. There are many hues of tourmaline, and many can coexist in the same crystal as evidenced in some of our past posts available at http://tinyurl.com/pg6cv7p,http://tinyurl.com/mmtsbdd andhttp://tinyurl.com/kt4d2qc.LozImage credit: Chip Clark -- source link
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