Geology Ch 3
The structural unit of sulfates is SiO4
False
Rock solidified after being molten is called
Igneous
Which of the following is not technically a physical property that may be used to identify a mineral
weight
Polymorphs are minerals with the same structure but a different composition
False
All of the following are important in determining the physical properties of a mineral except:
Temperature at the surface of the earth
A mineral is defined as:
any naturally occurring inorganic solid consisting of chemical elements in specific proportions whose atoms are arranged in systematic internal pattern
If a mineral exhibits cleavage, it
breaks consistently along distinct planes
if a mineral breaks along a zone of weak chemical bonds in the crystal structure, it exibits what physical property
clevage
A number which is the ratio of the weight of a mineral to an equal volume of water is called
density
The weight of a mineral compared to the weight of an equal volume of water is its
specific gravity
Which mineral is not found on Mohs hardness scale
Biotite
Which of the following statements about mineral identification is NOT true
Streak is determined by observing weather there are scratches or streaks on the sample