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Minerals
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Iron is an element found in garnet...True or False.
True
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Which mineral has a metallic luster and is made up of Carbon?
Graphite
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A mineral breaks by cleavage or fracture due to its _______?
internal arrangement of atoms
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Which mineral would be broken down most quickly if shaken in a container - PYRITE or GALENA?
Galena
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Name a distinguishing characteristic of calcite that quartz does not have.
Calcite bubbles with acid
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A mineral's streak and hardness are caused by the
internal arrangement of atoms
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The way a mineral reflects light is known as its
Luster
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A mineral that has fracture breaks along rough, jagged surfaces...True or False
True
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How do you test if a mineral is hard or soft?
scratch it on a glass slide
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Hardness, color, cleavage in a mineral are the direct result of ________.
Internal arrangement of atoms
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What is the least abundant gas in the troposphere (according to your ESRT)?
other
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The powder form of a mineral is called its
Streak
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What is the chemical symbol for Potassium?
K
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What is the percent of Oxygen in the troposphere?
21%
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What mineral scratches calcite but can be scratched by fluorite?
Dolomite
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What is the composition of Galena?
Lead and Sulfur
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Scratching a mineral across a glass plate is a test for what property?
Hardness
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What mineral is light green and has a granular feel when you touch it?
Olivine
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The physical properties of a mineral are determined by ________
Internal arrangement of atoms
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A mineral that breaks along smooth, flat surfaces has _________?
Cleavage
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What is a Silicate mineral composed of?
Silicon & Oxygen
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When dissolved minerals come out of solution through evaporation and become solids, this solid is known as a
Precipitate
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Which mineral has a hardness of 6 and a pink color?
Potassium Feldspar
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What is the most abundant gas in the troposphere?
Nitrogen
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What mineral has a hardness of 6.5 and is used for jewelry?
Olivine
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Quartz and hematite have different colors due to ________.
Internal arrangement of atoms
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