jorgr Science Unit 2 SECTION 1 MINERALS STUDY GUIDE
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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| WHAT ARE THE 5 CHARACTERISTICS TO BE CONSIDERED A MINERAL? | a. Must be naturally occurring, inorganic, solid with a definite chemical composition and have its atoms arranged in an orderly pattern.
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| WHAT IS THE DIFFERENCE BETWEEN A ROCK AND A MINERAL? | a. Minerals are composed of elements, rocks are made of minerals
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| WHAT ARE THE 4 MOST COMMON MINERALS? | Quartz, feldspar, mica and calcite.
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| WHAT IS BETTER TO IDENTIFY A MINERAL, COLOR OR STREAK/ WHY | a. Streak, because many different minerals can be the same color
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| WHAT IS THE DIFFERENCE BETWEEN CLEAVAGE AND FRACTURE? | a. Cleavage is the tendency to split easily along flat surfaces but fracture is splitting unevenly.
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| HOW CAN WE FIGURE OUT HOW WHAT A MINERAL IS USING MOH'S HARDNESS SCALE? | a. By using things like a nail, pane of glass, penny, and a finger nail to scratch the unknown object and comparing the results to what we know of the hardness scale. Ex. If it scratches a penny the object is harder than the penny.
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| WHAT ARE SOME ITEMS/TOOLS WE USE IN COMBINATION WITH MOH'S HARDNESS SCALE TO FIGURE THE HARDNESS OF AN UNKNOWN MINERAL? | a. Finger nail, penny, Nail, pane of glass, steel knife
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| WHAT IS A RATING OF A 1 ON MOH'S HARDNESS SCALE? WHAT IS A 10? | a. Talc, Diamond
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