Obsidian Rough Stones
Raw baltic amber stones.
Gemstone called chrysoprase
Travertine block, obsidian, marble, pumice, turkey travertine, turkey pumice
Precious and semi precious stones like citrine lapis lazuli, emeralds, rubies, amethysts, aquamarines, rubella, alexandrite, tourmaline
Mobile phones, laptops, computer desktop, furniture, office suplies, home supplies, electronic