Which of the rock-forming mineral groups makes up the largest group of minerals in the Earth's crust?

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http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=minerals+earth%27s+crust&btnG=Search

http://en.wikipedia.org/wiki/Silicate_minerals

I don't Know

The largest group of minerals in the Earth's crust is the silicate mineral group. Silicate minerals are composed primarily of silicon and oxygen atoms, forming the basic building blocks of rocks. To find this answer, you can search on the internet using a search engine like Google and search for "minerals in Earth's crust." One of the top results will likely provide you with the information you are looking for. Another reliable source of information could be the Wikipedia page on silicate minerals, which would provide a detailed explanation of the topic.