Jet is a type of fossilized wood that was formed by high pressure decomposition over millions of years. It is also known as lignite. Along with obsidian and black onyx, it was often used as mourning jewelry in the 1800's because of its dark color. It is not as popular now as in the past, but is still highly collectable.
Jets aids with mental clarity and emotional stability, and can overcome sadness and depression. It is helpful with meditation and can give insightful and reflective ideas. It is said to be useful against nightmares and anxiety, and it deflects and neutralizes negative energy. Jet is a good stone to use in earth elemental rituals because of its strong connection to nature. It provides a protective shield against fears and uncertainty, and is a good amulet to carry while traveling.
The finest jet is found in the United Kingdom, but it is also found in the United States.
A Scrying stone is used to see things psychically, to obtain spiritual visions and messages, and also for purposes of divination or fortune-telling. It is often used as a means of divining the past, present, or future. Scrying is actively used by many cultures and belief systems and is not limited to one tradition or ideology.