Garnets are a set of closely related minerals forming a group, with gemstones in almost every color.

• Mineral: Garnet group
• Chemistry:
  Almandine- Fe3Al2(SiO4)3
  Andradite- Ca3Fe2(SiO4)3
  Grossular- Ca3Al2(SiO4)3
  Pyrope- Mg3Al2(SiO4)3
  Rhodolite- (Mg, Fe)3Al2(SiO4)3
  Spessartine- Mn3Al2(SiO4)3
• Color: All colors
• Refractive index: 1.714-1.888
• Birefringence: None
• Specific gravity: 3.47-4.15
• Mohs hardness: 6.5-7.5