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Minerals Review. What are the 3 uses of a streak plate? Who is the German geologist responsible for creating the hardness scale? What is the largest group of minerals found on Earth? What is the definition of luster? What is the definition of an ore? What is the definition of a gem?.
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Minerals Review What are the 3 uses of a streak plate? Who is the German geologist responsible for creating the hardness scale? What is the largest group of minerals found on Earth? What is the definition of luster? What is the definition of an ore? What is the definition of a gem?
Minerals Review What is the lightweight, durable metal mined form rutile and ilmenite? What is the definition of cleavage? What is the definition of fracture? Explain the 2 ways that minerals are formed. Explain why streak is a better test than color. (use the minerals pyrite and gold in your explanation.)