Black onyx crystals can be useful with grounding, protection, and self-control. It is said to help shield against negative energy. The grounding properties associated with it also provide a calming quality, which can be beneficial for grief and anxiety. 
The two pendants are a bird skull and gold-plated agate.
There are several gold hematite spacers beads, as well as clear quartz beads, and one red Swarovski crystal.