What is a
The composition of a mineral is defined
What are the major groups of
What is the most commonly occurring
mineral on Earth and why?
What properties does the crystalline
structure of a mineral help determine?
What are rocks formed from? Give
the specific minerals that make up granite.
How many minerals exist in
Why do minerals differ from each
What physical properties result from
What causes a minerals color to be what
Color is the most obvious property, but
is it the most useful? Why or why not?
What colors are shown for
Why do we see olivine as
What is streak?
Why is streak more “diagnostic” (or
trustworthy) than color?
How do you determine the streak in a
least destructive manner?
What is the streak color for the
What is the luster of a
What are the two most general luster
classifications for luster?
When breakage occurs along smooth, flat
surfaces of a mineral, the mineral is said to have
Why do some mineral have cleavage
If a mineral exhibits cleavage in one
or two directions, does it have cleavage along all broken
Use the picture at the bottom to draw
calcite showing cleavage surfaces.
What is fracture in a
What controls the hardness of a
What is the hardest mineral? Softest mineral?
What scale do you compare hardness
How does the scale work? A mineral with
a hardness of 2 will only scratch a mineral with a hardness of
Look back at the top of this page, what
is the hardness of a glass plate, a streak plate and a
If a mineral has the magnetism
property, what does this mean?
What two minerals feel slippery when
you touch them?
What does halite taste like?
When should you taste a mineral?
Why not taste all minerals?
If a mineral contains
CO32-, what will it do when hydrochloric acid (HCl) is
placed on it?
This test is best performed on minerals
in what form?
If you finish early, go to: http://volcano.und.nodak.edu/vwdocs/vwlessons/lessons/Slideshow/Slideindex.html
and look at examples of minerals and rock types.