earth wax (noun)

1. During the industrial revolution, the discovery and extraction of earth wax played a crucial role in the growth of the petroleum industry.

2. In the novel 'Oil!' by Upton Sinclair, the protagonist's life takes a dramatic turn when he stumbles upon a deposit of earth wax on his property.

3. In the superhero comic 'The Petrol Protector', the main character gains his powers from a strange accident involving earth wax and oil spills.

4. The artist created a stunning sculpture using earth wax as a medium, showcasing the natural beauty and unique properties of this mineral.