Question

How many types of minerals have already been identified

Answer 1

Answer:

Over 2,000 varieties of minerals on Earth have been identified, and new ones are still being discovered, but most are rare, including some that have only been found at a single location on the planet. In fact, the common types of minerals number only about 200.

Explanation:

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Answer 2

Answer:

More than 4000 minerals have been identified in the Earth's crust