Diamond Basics
It is the hardest natural material on Earth, what is it?
A diamond
On the Mohs hardness scale, diamond ranks as this number.
10
From which layer of the Earth are diamonds from?
Mantle
Diamonds are formed about this, many kilometers underground.
200 kilometers
What are most diamonds used for?
Jewelry
Diamonds are made entirely of one element, what is it?
Carbon
A diamond’s streak is usually this color.
White or clear
What two natural conditions allow diamonds to form?
Extreme heat and pressure
What are the most popular places where diamonds are mined.
Russia and Africa
Diamonds are used in this industry to make drill bits strong enough to cut through rock.
Mining/drilling
What do diamonds symbolize?
Love
This word describes the shine or reflection of a diamond.
Adamantine
How long do diamonds take to form?
Billions of years
Russia and this continent are famous for producing diamonds.
Africa
Why do sometimes dentist use diamond-tipped tools?
To make procedures more safe and exact.
Diamonds can be many colors what is the darkest shade?
Black
What is the rarest diamond color.
Red
Diamonds move closer to Earth’s surface because of these natural events.
Volcanic Eruptions
Can people make diamonds in labs, and are they considered real?
Diamonds can be made in labs, and they are considered real.
Why are diamonds used for speakers?
to resist vibration wear
Diamonds are weighed in carats. One carat equals how many milligrams.
200 milligrams
This property describes how resistant a mineral is to scratching.
The hardness
In what do carbon atoms bond to make diamonds?
Crystal Structures
What is this type of mining called:
used for mining near the surface.
Open pit mining
Other than jewelry, name two practical uses of diamonds.
Mining, drilling, dentistry, or speakers