Rocks & Minerals B/C

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Rocks & Minerals B/C

Post by bernard »

Question Marathons Explained

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Re: Rocks & Minerals B/C

Post by KingDelphinus »

What is the softest mineral?
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Re: Rocks & Minerals B/C

Post by jennarholt »

The softest mineral is talc!
Answer the following questions about the presented specimen:
Image

1. Identify the specimen.
2. Is it igneous, metamorphic, or sedimentary?
3. What is its composition?
4. What is it used for?
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Re: Rocks & Minerals B/C

Post by Edwardthe5th »

1.basalt
2. igneous
3. magnesium and iron
4 used for building material

Question:
what mineral is always a shade of yellow and smells of rotting eggs
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Re: Rocks & Minerals B/C

Post by Tygertyan12 »

Sulfur
Question what is a common nickname for kaolinite
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Re: Rocks & Minerals B/C

Post by jtoohey70256 »

China Clay
What Mineral's composition is FeS2
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Re: Rocks & Minerals B/C

Post by shaleenb36 »

the mineral with formula FeS2 is pyrite
Question:
How did the mineral sodalite get its name?
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Re: Rocks & Minerals B/C

Post by stlcards422 »

Question:
How did the mineral sodalite get its name?
[/quote]
Named after its sodium content

Image
1: Identify
2: What is its cleavage?
3: Where is it found? (Enviroment)
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Re: Rocks & Minerals B/C

Post by treesdea »

stlcards422 wrote: May 7th, 2023, 3:58 pm Question:
How did the mineral sodalite get its name?
Named after its sodium content

Image
1: Identify
2: What is its cleavage?
3: Where is it found? (Enviroment)
[/quote]
1: Biotite
2: Perfect, basal
3: Not really sure but, possibly igneous rock formations?
Erm. I guess my turn.
Which of the following minerals has the lowest specific gravity:
a. Pyrite
b. Opal
c. Diamond
d. Gold
e. Calcite
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