Geography

MINERALS AND ROCKS

MINERALS AND ROCKS  Minerals – Inorganic substances occurring naturally at or below the earth’s surface.   Characteristics of Minerals Different degrees of hardness e.g. some are very hard e.g. diamond while others are very soft e.g. talc. Some have atoms arranged in an orderly manner to form crystals e.g. quartz form a 6- sided prism. […]

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