Garnet shades of green, beige, brown, gray, and blue, but in incandescent light, they appear a reddish or purplish/pink color. This is the rarest type of garnet. Because of its color-changing quality, this kind of garnet resembles Alexandrite. Andradite is a calcium-iron garnet, CaFe(SiO), is of variable composition and may be red, yellow, brown, green or black. The recognized varieties are topazolite (yellow or green), demantoid (green) and melanite (black). Andradite is found both in deep-seated igneous rocks like syenite as well as serpentines, schists, and crystalline limestone. Demantoid has been called the "emerald of the Urals" from its occurrence there,
Garnet Army also given the opportunity to purchase the T-shirts before home games. Only students are given official Garnet Army T-shirts. In January 2011 Garnet and Black Traditions began selling "Garnet Army Reserves" shirts to the public. Other gear that has become custom for the Garnet Army includes: Garnet combat helmets, garnet army hats, army combat boots, garnet & black camo body paint. Another tradition developed by Coach Horn, was initiated in 2009 to indoctrinate the students into a unified and intimidating force. At the Garnet Army Boot Camp, students were able to interact with players and coaches, and gather knowledge on