Mineral resource classification is the classification of mineral deposits based on their geologic certainty and economic value.
Here's a list of the top 10 most expensive cities in the country, ranked by average monthly rent for a single person: 1. San Francisco, $2,077. 2. New York City, $1,994. 3. Boston, $1,721. 4. Washington, D.C., $1,397. 5. Seattle, $1,288.
The world's most expensive city is â¦. When one thinks of the world's most expensive cities, images of New York and London probably pop to mind. But those two do not even make the list of the 10 most expensive cities in which to live. Instead, it's dominated by Asian and African cities, as well as two Swiss ones â Zurich and Geneva â according to Mercer's annual 2016 Cost of Living Rankings.