This impressive green glass chalice hand applied copper work, a quartz with black tourmaline threads inside it and a snowflake obsidian skull attached. The cup measures 3" wide, it stands 7 " tall. Copper is a wonderful conductor of energy. Tourmalinated Quartz Properties: grounding, psychic protection, promotes positive thought, balances all the chakras. The skull shape would make this an ideal tool for Ancestor work. Snowflake Obsidian Properties:courage, breaking negative patterns, introspection, helps correct 'wrong thinking', a good stone for those who suffer with obsessive compulsive disorder. A chalice made for healing on many levels, and Ancestor work.