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2. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania, in a very small mining area approximately 7 km (4.3 mi) long and 2 km (1.2 mi) wide [4] near the Mererani Hills. [5] Tanzanite is noted for its remarkably strong trichroism, appearing alternately blue, violet and burgundy depending on crystal orientation. [6]

3. Prices of chemical elements - Wikipedia

   en.wikipedia.org/wiki/Prices_of_chemical_elements

   Graphite flakes can cost around US$0.9/kg carbon. [20] Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial applications can be on the order of million dollars per kilogram. [21] 7: N: Nitrogen: 0.0012506: 19 (5.263 × 10 17 kg) 0. ...

4. Carat (mass) - Wikipedia

   en.wikipedia.org/wiki/Carat_(mass)

   Diamond-weighing kit, with weights labelled in grams and carats. The carat (ct) is a unit of mass equal to 200 mg (0.00705 oz; 0.00643 ozt), which is used for measuring gemstones and pearls.

5. Ammolite - Wikipedia

   en.wikipedia.org/wiki/Ammolite

   It is also much less fractured, and therefore a more valuable form of ammolite. [7] As of 2015, Korite has mined over 100 acres of ammolite deposits. The company employs over 280 people and accounts for approximately 90 percent of world gem ammolite production.

6. This Lego Disney Advent calendar is only $20 at Walmart ... - AOL

   www.aol.com/lifestyle/this-lego-disney-advent...

   How much does the Lego Disney Advent calendar cost? The Lego Disney Advent calendar retails for $44.99, but today, it's down to just $20 at Walmart right now.

7. Cost of drug development - Wikipedia

   en.wikipedia.org/wiki/Cost_of_drug_development

   A new study in 2020 estimated that the median cost of getting a new drug into the market was $985 million, and the average cost was $1.3 billion, which was much lower compared to previous studies, which have placed the average cost of drug development as $2.8 billion. [4]