Anniversary Gemstone Chart
      | Year |  Gemstone | 
  | 1st |  Peridot | 
  | 2nd |  Red Garnet | 
  | 3rd |  Jade | 
  | 4th |  Blue Sapphire | 
  | 5th |  Pink Tourmaline | 
  | 6th |  Turquoise | 
  | 7th |  Yellow Sapphire | 
  | 8th |  Tanzanite | 
  | 9th |  Amethyst | 
  | 10th |  Blue Sapphire | 
  | 11th |  Citrine | 
  | 12th |  Opal | 
  | 13th |  Moonstone | 
  | 14th |  Agate | 
  | 15th |  Rhodolite | 
  | 16th |  Red Spinel | 
  | 17th |  Carnelian | 
  | 18th |  Aquamarine | 
  | 19th |  Garnet | 
  | 20th |  Yellow Diamond | 
  | 25th |  Tsavorite | 
  | 30th |  Pearl | 
  | 35th |  Emerald | 
  | 40th |  Ruby | 
  | 45th |  Cats Eye  (see Fiber Optics) | 
  | 50th |  Imperial Topaz | 
  | 60th |  Star Ruby | 
  | 65th |  Blue Spinel | 
  | 70th |  Smoky Quartz | 
  | 75th |  Diamond |