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Geology

Carnelian

Quartz and Silica Minerals Gallery

Carnelian is a red, translucent variety of chalcedony. Its color, like that of jasper, is due to iron impurities. This specimen is from Iran.
Iranian red chalcedony
Photo (c) 2009 Andrew Alden, licensed to About.com (fair use policy)

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Gallery Index: Quartz and Silica Minerals Gallery

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