The thousands of minerals known in rocks become a mere handful at the Earth's surface.
What the Geosphere is Made of: Minerals – Planet Earth
Earth Materials – The Rock Forming Minerals – Historical Geology
Discover Earth Crystals: Minerals Beneath the Surface – Lavish Earth
What Are Rock-Forming Minerals?
Geologists Explore Minerals Below Earth's Surface - Geology In
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Jolyon Ralph - The Most Common Minerals on the Earth
Mineral - Wikipedia
PPT - CHAPTER 9: MINERALS OF THE EARTH'S CRUST PowerPoint Presentation - ID:3106120