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Waldorf College *
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Course
101
Subject
Geology
Date
Jan 9, 2024
Type
docx
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2
Uploaded by Anthonyreyes1232
1.
Physical properties. Go through each of the scenarios below and determine which
physical property is being described: cleavage, hardness, luster, or streak.
a.
You cannot make a mark on a mineral sample with your fingernail, but you
can with a piece of metal. What physical property of the mineral sample are
you investigating?
Answer:
Hardness
b.
You use a piece of unglazed porcelain and rub the mineral sample across it.
What physical property of the mineral sample are you investigating?
Answer:
Streak
c.
You take a sample and use a hammer to break it and see that the mineral
breaks into the same shapes over and over again. What physical property of
the mineral sample are you investigating?
Answer:
Cleavage
d.
The sample you have looks like it is oily in appearance. What physical
property are you investigating?
Answer:
Nonmetallic Luster
2.
What is your birthstone? List 3 things you learned about your birthstone that you
didn’t know about before visiting the website. One item must be a physical
property of the mineral
Birthstone: RUBY
1.
The pink to red color comes from the chromium in the mineral.
3. Only the gemmy Pigeon-Blood red form of the mineral corundum is a
Ruby.
3.
The Silicates.
Read the Minerals III: The Silicates module then take the
Silicate Minerals quiz (tab at top of page). Take a screen shot of your
score and paste
below.
2.
Rubies sometimes contain needle-like inclusions of the mineral rutile
called “silk.”
GEOL 111
Learning Assignment 2
Matter & Minerals
4.
Review the information at the Build an Atom website and then play all 4 games
until you get at least 3 stars for each
. Take a screen shot of your results
(stars) and paste below.
5.
Imagine that you have been given samples of the minerals listed in the
Moh’s Hardness Scale. However, instead of being labeled by name, the
samples are labeled only with code letters. Use the following clues and
chart of the Moh’s
Scale of Hardness to determine the identity of
each mineral.
Mineral Description
Mineral
Name
1. Mineral C can be scratched by every other
mineral.
Talc
2. Mineral D can be scratched only by mineral H.
Corundum
3. Mineral F can scratch only mineral C.
Gypsum
4. Mineral A scratches minerals E and I but it can be
scratched by mineral J.
Quartz
5. Mineral E can scratch mineral I.
Orthoclase
6. Mineral B can scratch mineral F, but it can be
scratched by all other minerals.
Calcite
7. Mineral H can scratch every other mineral.
Diamond
8. Mineral G can be scratched by minerals H and D,
it
can scratch mineral J.
Topaz
GEOL 111
Learning Assignment 2
Matter & Minerals
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