Minerals Review Part 2 Question Preview (ID: 32137)
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A dull yet slightly reflective luster. Example, graphite from our lab!
a) Metallic
b) Nonmetallic
c) Submetallic
d)
Why is streak more reliable than color in identifying a mineral?
a) Streak is a more fun test to perform.
b) Streak does not change while color can due to impurties in the mineral when exposed to air and water.
c) Color does not change while streak can due to impurities in the mineral when exposed to air and water.
d) This is false. Streak is not more reliable than color.
What do we call the porcelain plate we use to perform a streak test?
a) Streak plate
b) Stork plate
c) Steak plate
d) Stark plate
What are some everyday objects geologists use to test for the hardness of a mineral?
a) pennies
b) fingernail
c) glass
d) All of the above!
The color of a mineral in powdered form.
a) fracture
b) streak
c) density
d) color
The way in which a mineral reflects light.
a) color
b) luster
c) cleavage
d) hardness
This means non-living or comes from non-living things.
a) naturally formed
b) inorganic
c) solid
d) definite chemical composition or crystalline structure
This means is forms in nature; not man-made
a) naturally formed
b) inorganic
c) solid
d) definite chemical composition or crystalline structure
This means it has a definite shape and volume.
a) naturally formed
b) inorganic
c) solid
d) definite chemical composition or crystalline structure
The ratio of a mineral's mass to it's volume is known as ______________.
a) color
b) streak
c) hardness
d) density
A measure of a mineral's ability to resist scratching.
a) hardness
b) cleavage
c) fracture
d) special properties
This mineral is an example of cleavage.
a) Olivine
b) Magnetite
c) Sulphur
d) Halite
This mineral is an example of fracture.
a) Calcite
b) Halite
c) Rose Quartz
d)
The breaking of a mineral evenly, along smooth, flat surfaces; a clean break.
a) cleavage
b) fracture
c) density
d) hardness
The breaking of a mineral and it's rough and jagged; uneven; curved or irregular surfaces.
a) cleavage
b) fracture
c) density
d) hardness
What you view on the outside of a mineral. For example, sulphur is yellow.
a) cleavage
b) fracture
c) color
d) special properties
Travis took a piece of hematite and rubbed it across a porcelain plate. The mineral left behind a red-brown powder. What property was he testing?
a) color
b) streak
c) hardness
d) luster
Lisa noticed the piece of olivine was very dull and non-reflective. What type of luster is she describing?
a) Metallic
b) Nonmetallic
c) Submetallic
d)
Sheri was able to scratch the piece of talc with her fingernail. What rating would you give talk on the Mohs Hardness Scale?
a) 1
b) 3
c) 6
d) 9
Rory placed a little bit of a weak acid on a piece of calcite and noticed it bubbling and fizzing. What special property is she testing?
a) fluorescence
b) magnetism
c) radioactivity
d) chemical reaction
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