This has got to be the best headcanon of the soul gems ever.

Omg, the 23rd page, Homura's and Madoka's figures XDD i died :D

http://dynasty-scans.com/chapters/sahasika_kanya_sayaka_svaha_extra#24

Sayacatch Megucure

This really answers my question from before of whether or not Homura can just store soul gems and just create a huge Madoka harem and hide in a basement with them.

I can't stop laughing!!! XD