Question

Match the following items. 1. graphite precious metal 2. ruby gem 3. gold common mineral

Answer 1

Here are the following items in order...

1.) Graphite - common mineral

2.) Ruby - gem

3.) Gold - precious metal

Answer 2

Minerals refer to the substances, which are found naturally within the Earth and exhibits a crystalline composition.

1. Graphite can be correctly matched with a common mineral. It is a crystalline allotrope of carbon, a native element mineral, and a kind of coal. It is the most stable form of carbon under standard circumstances.

2. Ruby can be correctly matched with a gem. It is the red variety of corundum and is red due to the presence of chromium in the stone. It is a gemstone.

3. Gold can be correctly matched with a precious metal. It is a precious metal, which has been treasured since the ancient times, usually mixed with other metals to enhance its strength or change its color.