Is it a Mineral?
Mohs' Scale
Value & Use of Minerals
Vocabulary
Miscellaneous
100
Can a mineral also be a liquid? Yes or No?
No
100
Mohs' Scale determines what property for minerals?
Hardness
100
Name one of the most common uses for copper, listed in the book.
Coins or electric wires
100
A naturally formed, inorganic solid with a crystalline structure. (M)
Mineral
100
Refers to a mineral's resistance to being scratched (H)
Hardness
200
Can a mineral also be a gas? Yes or No?
No
200
How many items are in Mohs' Scale?
10
200
Name one of the most common uses for lead, listed in the book.
Batteries or paint
200
Pure substances that cannot be broken down into simpler substances by ordinary chemical means (E)
Element
200
Removing minerals at or near the earth's surface (S)
Surface Mining
300
Minerals must be a non-living material…True or False?
True
300
How do you determine hardness using Mohs' Scale?
Scratch the material with another item on the scale.
300
What karat of gold is 100% pure?
24 karat
300
A substance made of two or more elements that have been chemically joined, or bonded together. (C)
Compound
300
The way a surface reflects light. (L)
Luster
400
Minerals are formed only in nature…..True or False?
True
400
What is the hardest item on Mohs' Scale?
Diamond
400
How can we make valuable gold last longer, stated in your book.
Recycle
400
The tendency of some minerals to break along flat surfaces. (C)
Cleavage
400
The removal of minerals from deep within the earth. (D)
Deep mining
500
Minerals do not have a crystalline structure…..True or False?
False
500
What is the softest item on Mohs' Scale?
Talc
500
Name one common use for chromium, listed in your book.
Stainless steel, cast iron, leather tanner
500
The tendency of some minerals to break unevenly along curved or irregular surfaces. (F)
Fracture
500
When a previously mined area is returned back to its original condition. (R)
Reclamation
M
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