Magnesium

Magnesium is the 10th clue. It is a Tomas clue that was located near the North Pole.

History
Sir John Franklin suggested to the Tomas that a clue should be hidden in the North Pole. After hiding the clue, Sir John Franklin and his crew lost their lives from pneumonia.

Magnesium
Magnesium is an element that is highly flammable. It is also a vitamin that raises testosterone.