Diamonds Quiz

Which element is the hardest natural substance on Earth?

• Gold

• Diamond

• Silver

• Platinum

What is the chemical formula of a diamond?

• C

• CO2

• CH4

• H2O

What is the typical color of a diamond?

• Blue

• Red

• Yellow

• White

How are diamonds formed in nature?

• Through volcanic eruptions

• Through sedimentary rock formation

• Through metamorphic processes

• Through precipitation from water

What is the unit used to measure the weight of diamonds?

• Carat

• Gram

• Ounce

• Pound