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There are a lot of ways to tell one mineral from another; color and shape are good indicators but they can deceive you. Mineralogists (people who study minerals) have other ways to test samples to see ...

Tema 2 del bloque: Historia de la Tierra y de la vida de Educación Secundaria para adultos (Ámbito Científico Tecnológico- Nivel I) de la Junta de Andalucía. En este ...