Oh snap. Well, I didn't invest personally in pyrite, but I did invest in a guildie (we call him the Oprah of WoW) for the 4.3 gem market, who was investing in pyrite. It was only 10k though, so hopefully I don't lose too much money from it.
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Guild Wars 2, Crystal Desert server:
Inga Freyasdottir, lvl 40 Norn Mesmer
Deathbringer Kaami, lvl 16 Asura Necromancer
Popina, lvl 15 Asura Elementalist
Althaia Willowbark, lvl 7 Sylvari Engineer
Maeve Amnell, lvl 4 Human Guardian
The MMO-Zam's FB group. Please message me first so I know who you are.