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19 Cards in this Set
- Front
- Back
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Element
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substances that can't be broken down into simpler substances
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Compounds
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Combined with other elements
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Mineral
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Can be identified by chemical and physical properties
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Color
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Often the first property noticed but the least reliable for identification
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Luster
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The way light reflects off of the mineral's surface
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Streak
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The color of the powder left when a mineral is rubbed against a streak plate
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Hardness
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A mineral's resistance to being scratched.
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Cleavage
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The tendency for a mineral to break along its atomic crystalline structure
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Parting
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Tendency to break along a structural weakness caused by pressure
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Fracture
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Bonds in all directions, so the mineral does not follow a certain pattern
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Luminescence
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Emission of light by a substance that has received energy of electromagnetic radiation of a different wavelength
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Phosphorescence
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Light emitted after stimulus is removed
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Fluorescence
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Light emitted while stimulus is applied
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Foliation
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The crystals have been arranged in certain patterns that the rock may break along
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Rock
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All come from other rocks. They are constantly changing in a continuous cycle.
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Rock cycle
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Has no beginning or end.
It is thought that Earth was made up of molten material and that no solid rock existed. |
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Magma
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Below the ground
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Lava
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On the surface
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Graded bedding
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Particles are sorted and form layers that decrease in size from the bottom to the top of the bed
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