All the following properties of minerals are used for identification except:
melting point
Quartz can scratch all of the following
... [Show More] except:
topaz
A naturally occurring inorganic substance with a definite chemical composition is a:
mineral
Having 3 planes of cleavage is an identifying property of which mineral(s)?
Calcite
Metallic minerals are all:
opaque
The way light reflects off a mineral's surface is referred to as its:
luster
If a mineral is permitted to grow unhindered during its formation, the resulting shape will always be its:
crystal form
All magnetic minerals are also:
metallic
The tool used to determine the color of the powder of mineral is a:
steak plate
A mineral that can scratch a nail but that cannot scratch glass is:
apatite
Which mineral is metallic?
Hematite
The cubic shape identifies a mineral that has:
3 planes of cleavage
cleavage planes intersecting at 90°
an absence of fracture surfaces
[All of the above]
The mineral quartz is:
the most abundant mineral in the earth's crust
A unique property of what mineral is double refraction?
Calcite
The following statements are true of all metallic minerals except which?
They evidence the property of magnetism.
All of the following are minerals except which?:
Coal
The minerals dolomite and calcite are best distinguished from one another by:
an acid test
Gold settles to the bottom of a miner's pan because of its
high specific gravity
Any object with a specific gravity of less than 1 will:
float
Minerals that have the element __ in their chemical composition may have an odor akinto that of rotten eggs.
sulfer
The cleavage of Sample K is: (Answer the following question using the information in the student chart for mineral Samples A-L)
conchoidal fracture
Which sample has 1 plane of cleavage? (Answer the following question using the information in the student chart for mineral Samples A-L)
Sample A
Sample C
Sample J
[Both b and c]
Which sample effervesces with acid? (Answer the following question using the information in the student chart for mineral Samples A-L)
Sample D
Which is true of Samples G and L? (Answer the following question using the information in the student chart for mineral Samples A-L)
They have a metallic luster.
Which is true of Sample E? (Answer the following question using the information in the student chart for mineral Samples A-L)
It can be scratched with a fingernail.
Which sample exhibits fracture? (Answer the following question using the information in the student chart for mineral Samples A-L)
Sample B
The crystal form of Sample H is the same as that of: (Answer the following question using the information in the student chart for mineral Samples A-L)
Sample K
Samples J and C both have: (Answer the following question using the information in the student chart for mineral Samples A-L)
a pearly luster
Which sample affects the movement of a compass needle? (Answer the following question using the information in the student chart for mineral Samples A-L)
Sample L
Which sample will have 2 planes of cleavage at 90°? (Answer the following question using the information in the student chart for mineral Samples A-L)
Sample I
The gas released when weak acid reacts with calcite is oxygen.
False
All magnetic minerals will have the element iron in their chemical composition.
True
The largest commercial use of the mineral halite is table salt.
True
The fingernail can scratch the mineral calcite.
False
The mineral scale of hardness was named after the famous scientist Von Verner.
False
Crystal shape refers to how a mineral breaks.
False
Halite has three planes of cleavage at 90°.
True
Biotite and muscovite have 1 plane of cleavage in common.
True [Show Less]