This black mineral is composed of iron oxide, so magnets are able to pick it up. Because magnetite is also very heavy, when the wind blows, the lighter weight sand is blown away, leaving magnetite behind in patches
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Answer:
This black mineral is composed of iron oxide, so magnets are able to pick it up. Because magnetite is also very heavy, when the wind blows, the lighter weight sand is blown away, leaving magnetite behind in patches