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Minerals & Rocks Chapter Review

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  • When a parent rock is changed due to high pressure or temperature, which type of rock is formed?
    Extrusive igneous
    Sedimentary
    Metamorphic
    Intrusive igneous
  • Gold has a shiny appearance and is said to have a _____ luster.
    metallic
    pearly
    silky
    glassy
  • Which of the following is NOT a non-silicate mineral?
    Mica
    Calcium sulfate
    Halite
    Sodium chloride
  • Which of the following minerals is composed of sheeted tetrahedra?
    Quartz
    Pyroxene
    Feldspar
    Micas
  • Silicate X has a three-dimensional arrangement of tetrahedra. It is part of a group that can be held together by various cations and is named for the specific cation present. Silicate X is an example of a/an _____.
    Quartz
    Feldspar
    Amphibole
    Olivine
  • Which of the following is a key difference between detrital and chemical sedimentary rocks?
    Detrital sedimentary rock is formed at the surface of Earth
    Chemical sedimentary rock is formed from dissolved material.
    Chemical sedimentary rock is formed from solid pieces of roc
    Detrital sedimentary rock is formed beneath the earth crust
  • Conchoidal, earthy, and irregular refer to fractures found in _____.
    minerals
    non-silicates
    cleavages
    silicates
  • Which of the following statements is true regarding sedimentary rocks?
    Sedimentary rocks are considered secondary rocks.
    All of these statements are true.
    Weathered particles can over time form a sedimentary rock.
    Sandstone is a common example of sedimentary rock.
  • If you found a rock that appeared to have been formed directly from volcanic activity, how would you classify it?
    Igneous rock.
    Sedimentary rock.
    Volcanic rock.
    Metamorphic rock.
  • Hematite has the appearance of a cluster of grapes. Which type of habit does this represent?
    Botryoidal
    Polygonal
    Geometric
    Prismatic
  • Consider a sample with a mass of 250 grams. Calculate the density of the sample if it displaces 100 cc of water.
    25000 g/cc
    2.5 g/cc
    25 g/cc
    7.5 g/cc
  • Consider a specimen that has a mass of 20 grams. Calculate its specific gravity if the same volume of water has a mass of 5 grams.
    100
    4
    100 grams/cc
    4 grams/cc
  • Which of the following substances is inorganic?
    Rock
    Leaves
    Bone
    Wood
  • Minerals that are impenetrable to light are referred to as _____.
    translucent
    opaque
    transparent
    graphite
  • What is another name for halite?
    Granite
    Mica
    Limestone
    Table salt
  • The unique arrangement of atoms present in diamonds represents an important distinction from _____
    non-silicates
    olivines
    rocks
    graphite
  • Iron pyrite is sometimes referred to as fool's gold. It has a cubic shape. What type of crystal habit is this?
    Dodecahedral
    Octahedral
    Prismatic
    Cubic
  • How is the olivine group of silicates different from quartz?
    Quartz contains cations;
    Quartz forms under high pressure and high temperature;
    the olivine group of silicates forms deeper in the earth.
    The olivine group of silicate is more abundant
  • The appearance of a mineral in its powdered form that can also be used to distinguish it from another mineral is referred to as the mineral's _____.
    gravity
    color
    streak
    luster
  • Halides, carbonates, and sulfates are all examples of _____.
    non-silicates
    silicates
    olivines
    sedimentary rocks
  • Which of the following has its own chemical formula?
    A mineral.
    A rock.
    None of these answers are correct.
    Both rocks and minerals.
  • Which of the following would be MOST likely classified as an olivine?
    A purple diamond with metallic luster.
    A yellow gemstone with nonmetallic luster.
    A dense metamorphic rock, which is red in color
    A colorless mineral with a white streak.
  • If you wanted to collect sedimentary rocks, what sort of characteristics would you look for in a rock's composition?
    Rock made from eroded material broken off
    Rock that includes sparkly crystals
    Rock that has been transformed into new
    Rock that formed from magma or lava
  • What type of fracture does quartz exhibit?
    Perfect
    Conchoidal
    Fibrous
    Earthy
  • Rocks that are transformed into different rocks under intense heat and pressure are known as _____.
    igneous rocks
    volcanic rocks
    sedimentary rocks
    metamorphic rocks
  • What were limestone deposits in Kansas made from?
    Compressed fossils
    Cooled molten rock
    Sediments
    Evaporated sea water
  • Why are some drill bits tipped with diamonds?
    Diamond is the hardest natural mineral.
    Diamonds exhibit cleavage and as a result can drill hard.
    Diamond is the most malleable substance
    Diamonds are affordable compared to other materials
  • Which type of tenacity refers to the ability of a mineral to resume its original form when a stress is removed?
    Malleable
    Sectile
    Fibrous
    Elastic
  • Which of the following is NOT a rock?
    Granite
    Diamond
    Limestone
    Sandstone
  • Which of the following minerals has the greatest density?
    Graphite
    Gold
    Platinum
    Galena