stuff for the minerals test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Whats an ore? | a mineral or rock that contains a useful substance that can be mined at a profit
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| Whats a gem? | a highly prized mineral because of its rareness and beauty
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| whats a fracture? | when minerals break with uneven, rough or jagged structures
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| Whats the cleavage of a mineral? | when minerals break along smooth,flat surfaces
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| Whats the luster? | the way a mineral reflects light (metallic,nonmettalic)
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| Whats the hardness? | the measure of how easily a mineral can be scratched
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| Whats a mineral? | element or compound that has its structures determined by repeating patterns of atoms
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| What is magma? | hot melted rock material
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| What is a silicate? | mineral containing silicon,oxygen and 1 or more elements
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| Whats the streak? | the color of a mineral when its in powder form
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| What are the characteristics that all minerals share? | formed by natural processes,inorganic,element or compund with def. chemical composition and they r crystalline solids
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| What are the 2 ways that minerals can form? | by magma or solutions
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| What determines the size of a crystal? | magma-how fast the magma cools
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| What does crystalline mean? | that atoms are arranges in a pattern thats repeated over and over again.
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| What are the 7 physical properties used to identify minerals? | color,hardness,luster,streak,cleavage,fracture,crystal form and other properties
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| Who made the Mohs Scale? | Friedrich Mohs
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| What does the Mohs scale help determine? | helps determine minerals and how hard they are
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| What is the hardest and softest mineral on the Mohs scale? | hardest: diamonds (used to cut things)Softest: talc
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| Why are gems more valuaable than other minerals? | gems r rare and beautiful they may also b clearer, brighter and more colorful and some gems can be cut and polished to look better
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| What are some elements in minerals? | ores, vein minerals and minerals with titanium
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| What are some types of ores? | iron, aluminum, zinc and titanium
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| What are ores used in? | frying pans, ship parts and magnets
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| What are some things that have aluminum in them? | bikes, sodacans, foil and lightwieght parts for cars
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| sphalerite is used in what? | batteries
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| What are some things that have titanium in them? | golf clubs, racing bike, kneww or hip replacements, car parts, glassframes,tennis rackets, racing and bball wheelchairs
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