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Hall of Minerals and Gems

The Harry Frank Guggenheim Hall of Minerals and the J.P. Morgan Hall of Gems

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With over 100,000 mineral specimens and 3,700 gems, jewelry and objects d'art, the collections of the AMNH rank among the best in the world. Approximately 5,000 of the specimens are on display in the Guggenheim Hall of Minerals and the Morgan Memorial Hall of Gems. These halls, renovated in 1976, are designed to simulate the interior of a cave.

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Former volunteer Bill Zeek admires the largest known topaz crystal, the fabulous 271 kg (596 lb.) crystal from Fazenda do Funil, Minas Gerais, Brazil.

The 4.5 ton pillar of azurite/malachite ore seen in the photograph was extracted from the Copper Queen Mine in Bisbee, Arizona around the turn of the century and donated to the museum by the Phelps Dodge Corporation. The block contains roughly a ton of copper and was called the "Singing Stone" in the days before the Hall had adequate climate control--changes in humidity caused portions to vibrate and "sing".