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Minerals

Minerals have a broad range so much so that they have their own discipline of study called mineralogy. These essential elements often have complex processes that lead to their formation.

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What are the "four Cs" that people talk about when buying a diamond?

Whenever I hear people talking about buying diamonds, they keep mentioning the four seas. What does that have to do with diamonds?


This One's More Than Two Months' Salary: World's Largest Diamond Up for Auction

HowStuffWorks Now mines for information on the world's largest uncut diamond as it goes to auction. See more »

How are crystals made?

Crystals can be made in a countertop pie tin, a high-tech lab or a fissure deep in the Earth. Learn more about how crystals are made at HowStuffWorks.com. See more »

Everyday Science: Diamond Quiz

This diamond quiz will test your knowledge about the world's most valuable mineral. Know your jewels? Prove it by taking the diamond quiz. See more »

Diamond Pictures

Diamond pictures shows you some of the different types of diamonds. Check out our collection of diamond pictures See more »

What are the "four Cs" that people talk about when buying a diamond?

Whenever I hear people talking about buying diamonds, they keep mentioning the four seas. What does that have to do with diamonds? See more »

How Diamonds Work

Diamonds are some of the hardest and most valuable materials found on the Earth. Learn about diamonds and find out how diamonds are formed. See more »

How Moissanite Jewels Work

Moissanite is explained in this article. Learn about moissanite. See more »