Silver necklaces were sometimes even worn underneath clothing by our grandmothers as they believed it provided universal protection against evil.
Pyrite has the capacity to connect the right and left brain, logic and intuition. It is able to increase your practical mind and willpower.
Zodiac: leo, virgo.
Read more about this crystal: Pyrite
Pyrite oxidizes when exposed to air and water, losing its lustre. So don't wash with water. You can bury pyrite for a while, clean it with incense smoke, and leave it in moonlight to charge.