Mineral Properties
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 is cleavage? | Cleavage is the property of splitting evenly along flat surfaces.
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What is streak? | Streak is the color of a mineral's powder.
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What is luster? | Luster is how a mineral reflects light from its surface.
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What is a compound? | A compound is two or more elements chemically joined.
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What is fluorescence? | Fluorescence the property of glowing under ultraviolet light
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What is fracture? | Fracture is how a mineral breaks apart when it does not split evenly.
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What is Mohs hardness scale? | Mohs hardness scale is a ranking of minerals from softest to hardest.
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What are crystals? | Crystals are the repeating pattern of a mineral's particles in a solid.
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What is an element? | An element is a substance composed of a single kind of atom.
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To measure hardness what test do you do? | Perform a scratch test.
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To measure color what test do you perform? | Observe the surface of the mineral.
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To measure streak what test do you perform? | You observe the color of powder on unglazed tile.
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To measure luster what test do you perform? | You observe how minerals reflects light.
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To measure density what test do you perform? | You find the mass per unit of volume.
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To measure crystal system what do you do? | You observe number and angle of crystal faces.
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To measure Cleavage and Fracture what tests do you do? | You break minerals apart to see if it splits along flat surfaces.
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What are the five characteristics necessary for a substance to be a mineral? | 1. Naturally occurring. 2. Inorganic. 3. Solid. 4. Crystal Structure. 5. Definite chemical composition.
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