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What is the most expensive minerals?

Answer

plastic.
Q&A Related to "What is the most expensive minerals?"
Thortveitite, Sc2Si2O7, was once the world's most expensive mineral and was
http://www.chacha.com/question/what-is-the-most-ex...
The most common mineral on the Earth is quartz. It is in all the sandstone, riverbeds, and beaches. It's even in granite and gneiss. If you consider ALL the Earth's crust then Feldspar
http://answers.ask.com/Science/Chemistry/what_is_t...
You have to think about what goes into value: it has to be useful, desirable, and rare. Approximately 26,000 kg of diamonds are mined every year, worth about 9 billion dollar altogether
http://answers.yahoo.com/question/index?qid=200609...
Explore this Topic
According to an article, diamonds are the most expensive mineral in the wo. ...
Painite is the rarest mineral on the planet and one of the most expensive. Painite can cost $60,000 per carat. Rubies, diamonds, gold, and blue garnets are also ...
Both are considered expensive, but a diamond is more expensive simply because it's a harder mineral. ...
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