Oh Brother!
"Big Brother", that is. It galls me that your friend would do this to your property. I do understand, however, that some people think they are "saving the person from themself..." or some other self righteous, crusading nonsense. I was raised Catholic. I am a Witch now. I've gone to church when occaison called for it, and by golly, the church didn't fall down on me. I did NOT get struck by lightning, the Priest didn't asperge me with holy water, and the organist didn't instantly break into 'Carmina Burana'. This attitude held by your friend is unfortunately sanctioned by conventional religion. My advice, for whatever it's worth, is this...If she has some other redeeming qualities upon which you base your friendship, I would concentrate on those. Leave any metaphysical aspects of your life OUT of all future conversations, and tell her that if she ever oversteps the boundaries of friendship by destroying any more of your stuff she's NO friend, goodbye. I'm glad you will be able to replace the missing information, there are such nice people in here. Good luck!