Download Rocks and Minerals A substance that is made up of one or more

Rocks and Minerals
1. A substance that is made up of one or more elements, and has been chemically joined is ___________.
2. A ________________ mineral contains silicon, oxygen, and a metal.
3. _______________ is the way a mineral reflects light.
4. ________________ is the powered color left behind.
5. When a mineral breaks in a smooth, flat surfaces it is__________.
6. When a mineral resist scratching this is called ____________.
7. Ratio of mass to volume is ______________.
8. ____________ is where the soil settles after it is eroded.
9. _____________ ________ forms when sediment is deposited in layers.
10. __________ _________ forms when pressure of heat is applied to rock and change its structure.
11. ___________ __________ forms when magma cools and solidifies.
12. ___________ of a mineral occurs when it breaks in a curved manner.
13. _____________ __________ are minerals that don’t contain silicon or oxygen.
14. ___________ are formed by a solid that’s atoms produce a repeating pattern.
15. A substance that can’t be broken down is an ________________.
16. A ______________ forms naturally, is inorganic, and has a crystalline structure.
17. Which of the following is the main way metamorphic rocks form.
Circle the best choice
weathering and erosion.
deposition and compaction.
melting and cooling.
heat and pressure.
Mineral
Hardness
Shape
Crystal
System
Color
Luster
Galena
[PbS]
2
cube,
octahedron
isometric
silver
gray
metallic
Gold
[Au]
2.5
nuggets,
grains
isometric
Lazurite
[Na8Al6Si6O24S]
5
dodecahedral isometric
Pyrite
[FeS2]
6
cube,
octahedron
golden
greenish
isometric
metallic
and
yellow
black
pyritohedron
Streak Cleavage Fracture
Specific
Gravity
greyblack
Yes-cubes
No
7.5
golden
metallic
yellow
golden
yellow
No
Yesjagged
19.3
brilliant nonblue metallic
bright
blue
No
Yesuneven
2.3
No
Yesconchoidal
5.1
19. When looking for gold in California which of the following characteristics below would
be the best way to distinguish gold from pyrite?
A. Luster
B. Cleavage
C. Streak
D. Color
19. Using the illustration to the left.The
process of sediments being compacted and
cemented to form sedimentary rocks is
called
A. metamorphism
B. crystiallization
C. deposition
D. weathering
20. Using the illustration to the left.
When metamorphic rock is heated and
then cooled what type of rock does it
form?
21. Which type of rock is created when
lava cools and hardens?
22. The process of the recycling of
materials in Earth's crust is called?
23 -27.
Mineral
Hardness
Shape
Crystal
System
Color
Luster
Streak
Cleavage
Fracture
Density
Graphite
[C]
1
lamellar
veins to
earthy
masses
hexagonal
steel
gray
metallic
black
Yes
Yes-flaky
2.2
Talc
[Mg3Si4O10(OH)2]
1
flattened or
white to nonmonoclinic
tabular
green metallic
white
Yes-basal
Yesuneven
2.7-2.8
Gypsum
[CaSO4· 2H2O]
2
tabular,
bladed or
blocky
white
Yes
Yesuneven
2.3
Gold
[Au]
2.5
nuggets,
grains
Pyrite
[FeS2]
6
Diamond
[C]
10
white to
nonmonoclinic colorless
metallic
to gray
isometric
golden
yellow
metallic
golden
yellow
No
Yesjagged
19.3
cube,
octahedron
isometric
and
pyritohedron
golden
yellow
metallic
greenish
black
No
Yesconchoidal
5.1
YesYesoctahedron conchoidal
3.5
cube and
octahedron
colorless
to pale
yellows, nonisometric
browns metallic
and
grays
white
23. Of the minerals above, which two can be white in color?
24. Of the minerals above, which two have a black streak?
25. Of the minerals above, which mineral has the greatest density?
26. Of the minerals above, if you found that the mineral’s streak was greenish black, and it’s
color was golden yellow what mineral did you use?
27. Of the minerals above, if you found its hardness to be a 1, but its streak to be white what
mineral did you find?
28. List the 10 minerals in order that make up Mohs scale.
29. Write the U from our KUDS for this earth unit.