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Aquamarine with microcline and quartz

Notice the transparent portions of this aquamarine, a variety of beryl. Such clarity is what gem-cutters look for. Virtually all aquamarine gemstones originate in pegmatites. This aquamarine is perched on an exceptionally well-formed microcline crystal.

Group: Silicates
Catalog Number: R19580
Purchased , 1994
Locality: Shigar Valley, Danu , Pakistan

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Smithsonian National Museum of Natural History Geology, Gems, and Minerals Subject Guide Credits