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The Chalk Emerald is a Colombia
Colombia

Colombia , officially the Republic of Colombia , is a country in north-western South America. Colombia is bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the north west by Panama; and to the west by the Pacific Ocean....
n emerald
Emerald

Emeralds are a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium. Beryl has a Hardness of 7.5 - 8 on the 10 point Mohs scale of mineral hardness....
.

It originally weighed , but was recut and set in a ring, where it is surrounded by sixty pear-shaped diamonds (totalling , by Harry Winston
Harry Winston

Harry Winston was an American jeweller. He donated the Hope Diamond to the Smithsonian Institution in 1958 after owning it for a decade, and later donated the Portuguese Diamond as well....
 Inc. The ring is housed in the National Gem and Mineral Collection at the Smithsonian
Smithsonian Institution

The Smithsonian Institution is an educational and research institute and associated museum complex, administered and funded by the government of the United States and by funds from its Financial endowment, contributions, and profits from its shops and its magazine....
 Natural History Museum
National Museum of Natural History

File:Smithsonian Natural History Museum circa 1926.jpgThe National Museum of Natural History is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C.....
 in the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 and was donated to the museum by Mr. and Mrs. O. Roy Chalk
O. Roy Chalk

Oscar Roy Chalk was a New York City entrepreneur who owned real estate, airlines, bus companies, newspapers and a rail line that hauled bananas in Central America....
 in 1972.








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The Chalk Emerald is a Colombia
Colombia

Colombia , officially the Republic of Colombia , is a country in north-western South America. Colombia is bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the north west by Panama; and to the west by the Pacific Ocean....
n emerald
Emerald

Emeralds are a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium. Beryl has a Hardness of 7.5 - 8 on the 10 point Mohs scale of mineral hardness....
.

It originally weighed , but was recut and set in a ring, where it is surrounded by sixty pear-shaped diamonds (totalling , by Harry Winston
Harry Winston

Harry Winston was an American jeweller. He donated the Hope Diamond to the Smithsonian Institution in 1958 after owning it for a decade, and later donated the Portuguese Diamond as well....
 Inc. The ring is housed in the National Gem and Mineral Collection at the Smithsonian
Smithsonian Institution

The Smithsonian Institution is an educational and research institute and associated museum complex, administered and funded by the government of the United States and by funds from its Financial endowment, contributions, and profits from its shops and its magazine....
 Natural History Museum
National Museum of Natural History

File:Smithsonian Natural History Museum circa 1926.jpgThe National Museum of Natural History is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C.....
 in the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 and was donated to the museum by Mr. and Mrs. O. Roy Chalk
O. Roy Chalk

Oscar Roy Chalk was a New York City entrepreneur who owned real estate, airlines, bus companies, newspapers and a rail line that hauled bananas in Central America....
 in 1972.

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