Gemologist

A Raider is a farmer character that has the Collector - Gemologist charm. The charm is only for characters of the Collector Path. Effects when killing Forgotten Temple monsters (Temple Spirit, Temple Seal, Wandering Spirit, and Sphinx):
 * +5% chance obtaining 2x 'Refine Solutions' (Quality 49 and above)

You need a Fortress Coin to purchase this from the Collector Keeper. To get a Fortress Coin, you need to reach Chapter 5 and choose The Order alignment.
 * +1% chance obtaining 1x 'Gemstone' (Grade 3-5).

Chapter 5 checklist:
Q) Is this charm available to other paths?
 * 1) Talk to the Chief in Vanadis.
 * 2) Talk to the General.
 * 3) Talk to Petra.
 * 4) Submit three Seal of Exorcism to Petra during one Black Moon session.
 * 5) Talk to the General and choose The Order alignment.
 * 6) Talk to your path mentor Lili and choose Fortress (Defend).
 * 7) Talk to the Collector Keeper and purchase the Collector - Gemologist charm from Force/Fortress.

No, only Collectors can currently purchase this.

Q) Can I have more than one charm?

No, you are limited to one charm per character.

Q) Can I exchange my charm?

No, force/fortress charms cannot be changed once purchased.

Q) Can I transfer this to another character?

No, force/fortress charms are character bound.