I used to have a  stone  for every occasion. But now I wear metal, in this case silver. It has lunar attributes, although the effect for me is very subtle. The shape of the pendant actually holds more significance for me. A double-bladed ax which also sort of resembles Mjolnir, or Thor's hammer. 

I am still fond of protective stones, like obsidian or hematite.

I usually either wear my pentacle or my Cernunnos pendants.  I wear them because I feel comforted by them and because they help me feel more connected to my chosen path and deity.  I feel protection when I wear them as well as calm.

I have an amulet pouch that I carry various stones with me all the time. I can't leave the house without it. Other than that I've made a bunch of necklaces using various stones and will wear which ever one 'calls' to me in the morning. There are times when a certain stone will appear in a dream and then I carry that stone with me. My collection is too large to list but I have a fair number of stones although some of them I've bought for other people and I simply hold on to them until they are ready to have them.

I tend to be attracted to green stones like Malachite and Unakite as well as Jade's and Green Agates and Black Stones, Onyx, malachite, tourmaline and others. But I'll pick up and use any stone that comes my way.

I don't carry any stones with me on a daily basis anymore, but I do have I wide selection that I use on special occasions.
I also carry a carved bone ankh with me at all times. I am NEVER without it. I have always felt drawn to ankhs, even as a child.

I wear an amethyst ring on each hand. These are for no reason other than they feel comfortable for me to wear, but any additional energy from the stones it welcome and not so much a crystal or stone but I always wear my silver pentacle bracelet and necklace. On the same chain as the pentacle pendant I wear an Isis symbol and 1 Norwegian krone. I never take these off!