Amethyst is a purple variety of quartz and is composed of silicon dioxide.
It has a hardness of 7 on the Mohs scale and is commonly found in geodes and in cavities in volcanic rock.
The purple color is caused by the presence of iron and manganese ions.
The ancient Greeks believed that amethyst could ward off drunkenness and promote clarity of mind.
In medieval times, it was believed to have healing properties and was often used in jewelry worn by royalty and clergy.
They are said to promote calmness, clarity of thought, and spiritual awareness.
Amethyst is also believed to enhance intuition, encourage sobriety, and promote restful sleep.
Some people use amethyst for meditation as it is said to aid in connecting with higher states of consciousness.
Additionally, amethyst is thought to have healing properties, particularly for issues related to the nervous system and the mind.