Diamonds are very expensive. True or False
true
Diamonds and charcoal are made of the same material. True or false
true
Crystals are usually stuck inside a .....
rock
Where we can find the largest crystals in the world?
In a cave in Mexico
Diamond is a type of ....
crystal or mineral
Ruby, saphire, emerald and diamonds are.....
precious gemstones
A greenish-brown volcanic rock is called....
kimberlite
What is needed to turn charcoal into diamond?
pressure
Why do people dig huge holes?
to find diamonds
Diamonds are easy to find. True or false
false
What happened when the diamond was heated?
it turned into carbon dioxide