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This pencil-shaped tourmaline is an inclusion in morganite. This gem also contains crystals of a mineral called albite. - Photo by Dr. E. J. Gübelin/GIA
This is a long, curved liquid inclusion in a morganite. It contains gas bubbles. - Photo by K. S. Moe/GIA
This inclusion in a morganite is composed of muscovite [muhs-kuh-vite], a form of mica. Mica is a mineral that splits easily into thin sheets. - Photo by John I. Koivula/GIA

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