One way that minerals form is by the crystallization of cooling
  • magma.
  • water.
The color of a mineral in powder form is called the mineral's 
  • hardness
  • specific gravity
  • luster
  • streak
How light reflects off of a mineral is called the mineral's 
  • luster
  • streak
  • cleavage
  • fracture
A mineral's resistance to being scratched is called?
  • streak
  • luster
  • hardness
  • heft
Which test is not reliable in identifying minerals
  • streak
  • luster
  • specific gravity
  • color
Breakage along smooth, flat planes
  • fracture
  • cleavage
  • streak
  • ore
Breakage along rough or jagged edges
  • cleavage
  • fracture
  • streak
  • luster
Metallic and nonmetallic are two examples of the physical property _______________.
  • streak
  • color
  • luster
  • cleavage
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
sc-9 sb-6-Mineral Identificationimg_no 35.jpg
  • Fracture
  • Cleavage
  • Glassy
  • Waxy
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
sc-9 sb-6-Mineral Identificationimg_no 36.jpg
  • Fracture
  • Cleavage
  • Glassy
  • Waxy
Which mineral property is being shown here?
sc-9 sb-6-Mineral Identificationimg_no 37.jpg
  • luster
  • hardness
  • cleavage
  • streak
Which of these minerals is softer than glass?
sc-9 sb-6-Mineral Identificationimg_no 38.jpg
  • Topaz 
  • Corundum 
  • Calcite 
  • Orthoclase 
Can a glass plate scratch apatite?
sc-9 sb-6-Mineral Identificationimg_no 39.jpg
  • Yes 
  • No 
Can a penny scratch fluorite?
sc-9 sb-6-Mineral Identificationimg_no 40.jpg
  • Yes 
  • No 
Use the mineral identification sheet, given to you in class, to complete the following problem.A reddish brown mineral was found. It has a gray streak and can be scratched by a fingernail. What mineral is it?
sc-9 sb-6-Mineral Identificationimg_no 41.jpg
  • copper
  • talc
  • Bauxite
  • corundum
Use the mineral identification sheet, given to you in class, to complete the following problem.A mineral was found with a metallic luster. It was yellow in color and had a greenish black streak. Is it gold?
sc-9 sb-6-Mineral Identificationimg_no 42.jpg
  • yes
  • no
Use the mineral identification sheet, given to you in class, to complete the following problem.A mineral was found that can be scratched by quartz but not fluorite. It is green in color but has a colorless streak. What mineral is it?
sc-9 sb-6-Mineral Identificationimg_no 43.jpg
  • Bauxite
  • Garnet
  • Hornblende
  • Feldspar
Use the mineral identification sheet, given to you in class, to complete the following problem.This mineral has a nonmetallic luster. It is colorless with a colorless streak. A fingernail cannot scratch it and it cannot scratch a fingernail. What mineral is it?
sc-9 sb-6-Mineral Identificationimg_no 44.jpg
  • Halite
  • Muscovite
  • Galena
  • Calcite
Use the mineral identification sheet, given to you in class, to complete the following problem.This mineral can be scratched by hornblende but is harder than sulfur. It is pink with a white streak. What is it?
sc-9 sb-6-Mineral Identificationimg_no 45.jpg
  • Dolomite
  • Gypsum
  • Feldspar
  • Chromite
A mineral must by formed by ___________.
  • processes that occur in the natural world
  • processes that occur in the human world
A mineral must be a___________.
  • solid
  • liquid
  • gas
A mineral must be ___________.
  • organic
  • inorganic
A crystalline structure means
  • disorderly internal structure
  • atoms or ions are arranged in an orderly repetitive manner
What is molten rock that has reached Earth's surface?
  • Magma
  • Lava
Some minerals form when solutions ___________.
  • evaporate
  • boil
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