Rock Identifier - Online rock encyclopedia and rock identifier
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Mineral Resources Database - Minerals Education Coalition
A Mineral Database containing 84 minerals, photos & descriptions. The Minerals Education Coalition’s (MEC) mission is to identify, produce and disseminate fact-based K-12 minerals education lessons and activities and to inform and educate the general public about the importance of mining in their everyday lives.
Mineral resources information, along with the geologic, geochemical, and geophysical information needed to understand and assess mineral resource potential.