A)Most minerals crystallize at the same temperature.
B)Most felsic minerals usually crystallize before most mafic minerals.
C)Muscovite mica and quartz are the last minerals to crystallize as magma cools.
D)Biotite mica is the first mineral to crystallize as magma cools.
4.The diagram of Bowen's Reaction Series below indicates the relative temperatures at which specific
minerals crystallize as magma cools.
Which statement is best supported by Bowen's Reaction Series?
Base your answers to questions 5 through 8 on the
data table below.
A)finding the mass of a mineral sample
B)finding the density of a mineral sample
C)identifying a mineral sample
D)counting the number of cleavage surfaces of a
mineral sample
5.Moh's scale would be most useful for
A)resistance to breaking
B)resistance to scratching
C)specific heat
D)specific gravity
6.Moh's scale arranges minerals according to their
relative
A)An iron nail contains fluorite.
B)A streak plate is composed of quartz.
C)Topaz is harder than a steel file.
D)Apatite is softer than a copper penny.
7.Which statement is best supported by the data shown?
A)1B)9C)3D)4
8.The durable gemstones ruby and sapphire are valuable
due to their color and hardness. These gemstones
would most likely be located on Moh's scale at the
hardness level of
A)yellow to amber color
B)bubbling in hydrochloric acid
C)cleaves at 56° and 124°
D)hardness of 5 to 6
9.Which characteristic do samples of the mineral
pyroxene normally exhibit?