Riddle

Born from a fountain of wealth, I am black instead of gold but valued the same. What am I?

Choose an answer

A.Coal
B.Diamond
C.Gold
D.Oil
Hint: It's a word with 3 letters, starting with "O".

Answer

Oil

Why this is the answer

Oil is often called 'black gold' because, like a gushing fountain of wealth, it's an enormously valuable resource despite being black instead of gold-colored.

This riddle is filed under "What Am I?" Riddles and rated Medium.