This is The Arcturian Obsidian Necklace, perfect for the wearer who likes outer space, clean but personal design, smaller necklaces and mathematical mystique.
The necklace is lightweight and has small obsidians and turquoise glass beads on it. The necklaces overall structure is handmade made with 1,00mm copper wire. Copper does not withold nickel wich makes it suitable for its wearer that has skin allergies. The pendant is cast in resin to resemble an old metaphysical round form, used in various different spiritual traditions. The shape can be connected to the third eye or the subconcious. 
When I created this piece I subconciously were in contact with the Arcturians, an alien form from the outer galaxys from space. Through this piece the Arctrurians are sending its wearer healing and the gift of asking them to help during tough times on the earthly plane.
Obsidian metaphysical uses:
Protection: Shields against psychic attacks, negative energies, and emotional harm, creating a safe energetic space.
Grounding: Connects deeply to the Earth Star and Root Chakras, providing stability, security, and a strong foundation, especially during chaotic times.
Shadow Work & Self-Reflection: Forces confrontation with one's true self, hidden flaws, and subconscious patterns, enabling profound healing and growth.
Energy Cleansing: Absorbs and transmutes negativity from the aura and environment, cleansing it thoroughly.
Spiritual Connection: Aids in connecting with ancestral realms, higher self, and divine realms, promoting spiritual awareness and purpose. 
More about copper:
Copper withold animicrobial properties by effectively killing bacteria, viruses, and fungi by disrupting cell membranes, damaging DNA/RNA, and creating oxidative stress through released ions, often eliminating over 99% of microbes within hours on its surface.