Very little information on this in game..
I got the cotton acton quest for weaver, and I got materia + catalyst but I don't know how to meld.
FFXI character: Elathia ::F Tarutaru::87SCH/75RDM/70WHM/54BLM::Cerberus/Ragnarok/Bahamut::1/23/2004 - 3/25/2015 :: Retired
RDM First 75 Job :: RDM Maat victory: March 28, 2008 (1/3) :: San d'Oria R10 Long live King Destin :: Praise be to the late King Ranperre.
FFXIV character: Marcia Lightheart :: F Lalafell :: WAR and BLM/All crafts :: Excalibur :: 9/2013 -
Patch note archives for FFXIV: http://na.finalfantasyxiv.com/lodestone/special/patchnote_log/