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Magnified 30x
The interior of this ruby from Myanmar is nature’s artwork! The inclusions are composed of the minerals rutile [roo-teel] and calcite. - Photo by John I. Koivula/GIA
In this magnified ruby, the little flecks are calcite crystals in a thick background of colored swirls. Does it look like an abstract painting to you? - Photo by Robert E. Kane/GIA
Calcite crystals are typical inclusions in ruby. This ruby was mined in Myanmar. - Photo by Dr. E. J. Gübelin/GIA

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