Bests & Worsts Reviews from Amazon

I'm new to crystals. This was my first purchase and I purchased 2 sets. I purchased the Relaxation Set and the Chakra Healing Set. Both arrived in two days and are amazingly beautiful. I've had these crystals now for 3 days. At first, nothing special happened, I thought maybe I'm just not a crystal person but then today the weirdness happened. So this morning I woke up thinking about a friend whom I haven't seen for 3 years because of a crazy argument. My thoughts were, I would love to reconcile and tell her I'm no longer angry, then tonight she emailed me and we both apologized. It's been 3 years! What are the odds? Then later I was gathering my crystals to cleanse them during the full moon, then I noticed a weird one that I hadn't seen before. It was completely colorless and not very pretty. My first thought was that one of the crystals must have lost its color due to negative energy or not being authentic, so I laid all of my crystals out and matched them with the pamphlet that was included. All ordered crystal matched up perfectly but I was still left with this random rock. Where did it come from?? I don't have kids, pets or roommates so no one could have left it here. I've attached a picture in hopes that someone could tell me if this is a crystal that magically appeared or just a weird rock that just wanted to be included lol. I know I may be over thinking it, but crystals or rocks have never just appeared in my house before. If anyone has any idea of what this rock or crystal could be PLEASE respond. I've left a picture with my comment, it's the one that I'm holding in my hand. Thanks to whoever is reading, I really have no one else I can ask about this. Peace and Love, and thank you to the supplier for this amazing order and experience.