Minerals
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| List and number the 8 different properties used to identify minerals. | Hardness, Color, Streak, Luster, Density, Crystal Systems, Cleavage and Fracture.
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| Which mineral on the scale is the hardest? | Diamonds are the hardest.
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| Which mineral is the softest on the scale? | Talc is the softest on the scale.
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| How do you perform the streak test? | You can observe a streak by rubbing a mineral against a piece of unglazed tile called a streak plate.
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| Which mineral luster would “seem” to be the smoothest? | Glassy, and waxy.
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| Which mineral has a density of less than 4.0 and a hardness of less than 3? | Sulfur mineral
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| What’s the difference between cleavage and fracture regarding minerals? | The difference is a mineral that splits easily is a Cleavage. A Fracture is when the mineral breaks apart in an irregular way.
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| How are they similar? cleavage and fracture | They both are something that happens when a mineral breaks.
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| Some minerals have special properties. List a few special properties. | Fluorescence, Uraninite, Calcite.
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