Rocks & Minerals
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17 Terms
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mineral
A(n) ________ is a naturally occurring, inorganic substance which includes a crystalline substance and a chemical composition.
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inorganic substance
A rock is a naturally occurring, ________ comprised of many different minerals and other organic debris.
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igneous rock
A(n) ________ is usually quite hard an solid, as all ________ have interlocking crystals.
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Rocks
________ are classified by how they are formed.
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Mohs Hardness Scale
The ________ indicates how prone a mineral or rock is to scratching.
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Rocks
________ can be classified into 3 different groups based on how they are formed.
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Colour
What ray of light shines onto the substance
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Weight
How heavy is the object
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Transparency
Is the object see through
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Density
How compact are the substances particles
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Hardness
Can this object get scratched or cut through by another object
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Lustre
What type of shine is on the mineral
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Streak
When scratched an object, wat colour powder does the mineral leave off
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Granite
Granite is an intrusive igneous rock which is well known because of its salt and pepper colour
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Diorite
Diorite is a form of granite and looks very similar to it
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Pumice
Pumice is an extrusive igneous rock that is most known for its porous texture
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Created by
Aniq