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These are brownish orange flakes of copper in a jadeite bead. - Photo by John I. Koivula/GIA
This is a small cluster of grains in jadeite. The grains are like tiny granules. - Photo by John I. Koivula/GIA
Nephrite is another type of jade. The light green areas in this nephrite cabochon are a combination of nephrite and garnet. The dark green areas are caused by the presence of chromium in the garnet. - Photo by John I. Koivula/GIA

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