minerals – ch 5 termsproperties groups identification random 100 200 300 400 500
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Minerals – Ch 5Minerals – Ch 5Terms Properties Groups Identification Random
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The mass of a substance to the volume is its ____
Answer
Density
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The ability of a mineral to resist scratching is its _____
Answer
Hardness
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Tendency of a mineral to break and form uneven, irregular surfaces
Answer
Fracture
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An inorganic solid with characteristic chemical
composition and physical properties
Answer
Mineral
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Flourite and feldspar are examples of these
Answer
Minerals
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The way that light is reflected from a mineral’s surface
Answer
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Luster
True/False: Chatoyancy means “cat’s eye” and has
a silky appearance
Answer
True
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Daily Double!!
What is the color of a mineral in a powdered
form?
Answer
Streak
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What physical property is unreliable as an
identification clue for minerals?
Answer
Color
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What is the tendency of a mineral to split along specific planes, forming flat surfaces?
Answer
Cleavage
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A solid whose atoms, ions, or molecules are arranged in a regular,
repeating pattern
Answer
Crystal
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What are the 2 main groups of minerals?
Answer
Silicates or Non-silicates
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Minerals are usually _____, meaning they do
not contain carbon
Answer
Inorganic
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Mineral that does not contain silicon or oxygen
Answer
Nonsilicate
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Mineral that contains silicon and oxygen
Answer
Silicate
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Answer
True or False:
A mineral that glows in ultraviolet light is phosphorescent
False (fluorescent)
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What 2 elements must be present in a silicate?
Answer
Silicon and Oxygen
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Which type of silicate does each tetrahedron share 3 of its oxygen
atoms with other tetrahedra, and the remaining oxygen
atoms bond with Al or Mg atoms?
Answer
Sheet silicates
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If an unstable atomic nuclei decays into stable nuclei, the mineral is ____.
Answer
Radioactive
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Answer
What kind of tetrahedra does NOT link with Silicon or Oxygen
atoms?
Isolated Tetrahedra
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What is the hardest mineral on the Moh’s hardness scale?
Answer
Diamond
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What is the softest mineral on the Moh’s hardness scale?
Answer
Talc
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If a mineral reflects light like a metal it has what kind of
luster?
Answer
Metallic Luster
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Daily Double!!
What do you call a tetrahedra that does not link
with other Silicon and Oxygen atoms?
Answer
Isolated Tetrahedra
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What shape does an “asterism” describe?
Answer
A Star
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