Charts

Which Countries Produce the Most Gemstones?

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Gems like rubies, emeralds, and diamonds are found in jewelry all over the world. Some countries are known for their prolific gemstone production. Do you know the countries are the biggest sources of each gemstone?

BriteCo, a jewelry insurance company, analyzed data from the U.S. Geological Survey and the International Gem Society to visualize the countries that produce the most of each type of gemstone.

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The graphic utilizes a world map to show which country produces the most of many different types of gems. The visualization also includes beautiful depictions of each gem included on the map as well as the kilograms of gemstones produced between 2016 and 2020.

These are the top-producing countries of some of the most popular gems:

  • Amethyst: Zambia (4,465,166 kilograms)
  • Diamond: Russia (22,720 kilograms)
  • Emerald: Zambia (129,400 kilograms)
  • Garnet: Tanzania (765,768 kilograms)
  • Pearl: Burma (9,245 kilograms)
  • Quartz: Brazil (69,830,000 kilograms)
  • Ruby: Tanzania (99,000 kilograms)
  • Sapphire: Kenya (45,339 kilograms)
  • Topaz: Nigeria (77,793 kilograms)
  • Turquoise: Iran (105,000 kilograms)

Overall, the top producer of gems around the world is Tanzania. The country is the top producer of six gemstones on the list (aquamarine, garnet, ruby, sunstone, tanzanite, and tourmaline). In fact, the name tanzanite was given to the gem by jewelry giant Tiffany & Co. in the 1960s to highlight how it can only be found in Tanzania. The mining area for tanzanite is just 7 kilometers (4.3 miles) long and 2 kilometers (1.2 miles) wide in the Manyara region of Tanzania. Tanzanite was named as a December birthstone in 2002 by the American Gem Trade Association.

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Charts

Mapping Spam Call Hot Spots Around the Country

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Spam calls are a widespread problem that can be a nuisance or leave important information vulnerable to scammers. This map from Ooma shows us that although spam calls are widespread, they seem to have concentrated hot spots around the nation.

The Ooma team used data from the Federal Communications Commission to pinpoint where the highest number of spam calls are occurring. The data is based on the number of spam call complaints the FCC receives per capita. The team highlighted each city with the highest number of calls and shows in a graph below the map how many spam calls complaints are received per 1,000 people. The map is a detailed look at where spam calls are concentrated, giving us an interesting look at the data. If you live near one of these hot spots, be wary of answering the phone.

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Which U.S. Cities File the Most Spam Call Complaints per Capita?

These were the cities that had the highest number of spam call complaints per capita:

  1. Alexandria, Virginia: 22.84
  2. Pittsburgh, Pennsylvania: 18.75
  3. Orlando, Florida: 18.52
  4. Miami, Florida: 17.58
  5. Atlanta, Georgia: 16.39
  6. Las Vegas, Nevada: 16.12
  7. Knoxville, Tennessee: 15.18
  8. Plano, Texas: 14.91
  9. Washington, District of Columbia: 14.46
  10. Columbia, South Carolina: 14.44

Alexandria, Virginia, tops the list with the highest number of spam call complaints. The city has received so many that local police have had to put out spam call warnings and prevention tips. Seeing such high concentrations of spam calls definitely leads to interesting questions about why these areas might receive more calls than others.

Be sure to check the map carefully and take note of whether your area is near is near one of these locations.

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Business Visualizations

Ranking Boat Manufacturers by Revenue Per Second

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Yachts and big boats are flashy and so is this colorful chart from the team at SI Yachts ranking boat and yacht manufacturers by how much revenue they earn per second. Yachts are undoubtedly a status symbol, so this ranking of manufacturers only adds to the prestige of the boats they sell.

The graphic is plenty colorful, showing us images of the type of boat each manufacturer is known for along with their logo. The team ranked each brand by how much revenue they earn per second and also broke down how much they earn in a year, as well as listing the company’s country of origin. The result is an illustrated parade of top boating and yachting brands.

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The Biggest Boat and Yacht Manufacturers Ranked by Revenue per Second

Boat enthusiasts have a lot of brand loyalty, but they’re also on the lookout for rising brands or the latest or most exciting boat models and features. This infographic displays all the brands that yachters should be paying attention to. Do you see any brands you don’t recognize on the list?

Their results show us that the top selling brand was Italian mega yacht manufacturer, Fincantieri, earning an incredible $266.99 per second or 8.42 billion a year. The brand is closely followed by American manufacturer, Brunswick Boats who earn $202.94 per second or 6.4 billion a year. These are the only brands that slotted into the graphics over $100 a second revenue category. Explore the details of all these great brands and maybe even research their bestselling models.

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Charts

Ranking Every U.S. State as a Family Vacation Destination

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There’s nothing better than a chart that can help out with complicated decisions. This graph from Florida Rentals can help you choose your next family vacation destination. Using factors that families find important in a travel destination, the team was able to rank every state in the U.S. by how great a family vacation destination it is. Here are the factors they used to create their scoring system:

  • Hotel rooms per capita
  • Restaurants per capita
  • Museums per capita
  • Total number of amusement parks
  • Total miles of beaches
  • Average annual temperature
  • Cost of living

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What is the Best State for Family-Friendly Vacations?

The team at Florida Rentals surely celebrated when their home state, Florida made the top of the list. This result probably doesn’t surprise you. After all, families from all over the world travel to the sunshine state to enjoy the over 900 miles of beaches and to visit top attractions like Sea World, Universal Studios, and Walt Disney World. Combine that with great weather, plenty of hotels and restaurants, and affordable places to stay and there’s no doubt that Florida earned its top spot.

Here’s the top ten states on the list:

  1. Florida
  2. Wyoming
  3. North Dakota
  4. Hawaii
  5. Vermont
  6. Montana
  7. Maine
  8. Texas
  9. South Dakota
  10. Louisiana

Wyoming might be a surprise, but it actually has a huge number of hotels and museums per capita, making it a great destination for families that want to beat the heat and learn something while doing it. The same is true of North Dakota in the number 3 spot.

Explore the details in the infographic to find out what each and every state has to offer as well as potential drawbacks to planning a vacation there. Some states are expensive, others have extreme weather, and some might be chock full of amusement parks. Your number one will depend on your family’s priorities!

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