Talk:Peridot/@comment-3965346-20150130232029/@comment-28584561-20150131135036

I should probably tell you that Quartz gems (Rose quartz and Amethyst) also come from magmatic events, not just Garnet and Peridot, and also includes Lapis Lazuli as the gem is a contact metamorphic rock. So, every gem shown on the show are formed from magmatic events, except for Pearl.