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Type: BOOK - Published: 2013-05-14 - Publisher: Springer
Tourmaline group minerals have graced the cabinets of mineral collectors and museums for untold generations. Their colors and color patterns, along with their d
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Type: BOOK - Published: 2011 - Publisher: Schiffer Publishing Limited
Among rock-forming minerals, the colorful tourmaline group is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales w
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Type: BOOK - Published: 1895 - Publisher:
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Pages: 114
Pages: 114
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