1st Anniversary: Gold
2: Garnet
3: Pearl
4: Blue Topaz
5: Sapphire (blue sapphire)
6: Amethyst
7: Onyx
8: Tourmaline (green or pink)
9: Lapiz
10th Anniversary: Diamond
11: Turquoise
12: Jade
13: Citrine (it rhymes)
14: Opal
15: Ruby
20th Anniversary: Emerald
25th: Silver
30th: Pearl
35th: Emerald
40th: Ruby
45th: Sapphire
50th Anniversary: Gold Jubilee
55th: Alexandrite
60th Anniversary: Diamond Jubilee