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