Hardness ⚖
What numbers are in the hardness scale?
1-10
What mineral is found in toothpaste?
Fluoride
Is coal a mineral?
No
What is the most useless way to identify a mineral?
Color
Who made the Mohs hardness scale?
Friedrich Mohs
True or False
Computer chips are made of copper.
True
What is a mineral?
A naturally occurring inorganic solid.
This test deals with a minerals resistance to being scratched.
What is a Hardness test?
What is the softest mineral?
Talc
Not only is this mineral a popular gemstone, but it is also commonly used as an industrial abrasive.
What is diamond?
Is limestone a mineral?
No
This test refers to the colored powder left behind after a mineral is scratched on an unglazed porcelein tile.
What is streak?
What is the strongest mineral?
Diamonds
True or False
Minerals can help with health?
True
What is the most commonly found mineral?
Feldspar
This refers to the way a mineral reflects light.
What is luster?
When was the Mohs hardness scale invented?
1812
What is the mineral most used in glass?
Quartz
What are 4 ways to identify a mineral?
Color, streak, luster, hardness, cleavage, and special properties.
These two properties deal with how a mineral breaks.
What are fracture and cleavage?