A Samara is an independent dry indehiscent fruit which has part of the fruit wall extended to form a wing (i.e. not a winged seed inside another type of seed pod). This is the fruit of a Maple (Acer). This is a Schizocarpic Samara, because the fruit splits into its separate Samaras.
As a talisman, Pyrite is a unique protector, drawing energy from the Earth through the physical body and into the aura creating a defensive shield against negative energies, environmental pollutants, emotional attack and physical harm.
A newer commercial use for pyrite is as the cathode material in Energizer brand non-rechargeable lithium batteries. Pyrite is a semiconductor material with a band gap of 0.95 eV. During the early years of the 20th century, pyrite was used as a mineral detector in radio receivers, and is still used by 'crystal radio' hobbyists.