Amethyst

In spirituality, amethyst is widely considered a stone of inner peace, spiritual awareness, and clarity, often associated with calming the mind, promoting intuition, and facilitating a deeper connection to the divine through its link to the crown chakra; it's frequently used in meditation practices to achieve higher states of consciousness and is believed to protect against negative energies. 
Key points about amethyst's spiritual meaning:
Calming energy:
The purple hue of amethyst is thought to represent tranquility and serenity, helping to alleviate stress and anxiety. 
Crown chakra connection:
Amethyst is strongly associated with the crown chakra, which is considered the center of spiritual awareness and connection to the higher self. 
Intuition and insight:
Wearing or meditating with amethyst is believed to enhance intuition and inner wisdom. 
Protection from negativity:
Many believe amethyst acts as a protective shield against negative energies and psychic attacks. 
Spiritual growth:
Amethyst is considered a powerful tool for personal and spiritual development, encouraging self-reflection and higher consciousness