The largest collection is probably in the hands of the DeBeers diamond organization.
The largest stamp collection in the U.S. belongs to the American Philatelic Society. Most are in agreement that the WWF Conservation Stamp Collection is the largest stamp collection in the world.
The largest collection of glasses cases is owned by the Ruby Stain Museum. They have the largest collection of ruby stained glass and glasses cases in the world.
Jerry Seinfeld is rumored to own the largest Porsche collection in the world.
Africa is the world's largest producer of gold and diamonds. This is true, but really just recently. Australia used to be the world's biggest producer by FAR, about 3x, in 1992.
Zimbabwe has the largest known concentration of diamonds in the world, located in the Marange district of the Manicaland province. This is a province situated in the eastern part of the country.
Silver. Mexico is the largest producer in the world of such mineral.
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Africa is the continent that contains the largest supplier of diamonds in the world, with countries like Botswana, South Africa, and Angola being major producers.
No, they currently only have a record for the largest Potter collection overall.
Until all the diamonds in Botswana are mined, there is no way to determine the absolute number. However, Botswana is among the largest producers of diamonds, world-wide.
The Gold Museum (Museo del Oro) in Bogotá, Colombia has the largest collection of gold artifacts in the world, with over 55,000 pieces of gold and other materials from pre-Hispanic indigenous cultures.