This is a gorgeous and unique Vintage sterling silver pendant.
I have never come across another like this.
I believe it is handmade since it doesn't have a 925 or sterling stamping, but it IS solid sterling silver.
It is a crescent moon shape with a light purple amethyst crystal point.
Hidden bail in back.
The total length of the pendant is 2 inches.
It weighs 11.4 grams.
(chain not included)

Amethyst Gemstone meaning
Crystalline quartz in shades of purple, lilac or mauve is called amethyst, a stone traditionally worn to guard against drunkeness and to instill a sober mind. The word amethyst comes from the Greek meaning "without drunkenness" and amethyst is believed to protect one from poison.

Power Stone
It is used as a dream stone and to help insomnia. Put an amethyst under your pillow to bring about pleasant dreams, or rub it across your forehead to offer relief from a headache.

Protection Stone
Ancient Egyptians used the amethyst guard against guilty and fearful feelings. It has been worn as protection from self-deception, as well as a protection against witchcraft. The amethyst has long been used to open the spiritual and psychic centers, making it one of the power stones. It is also used as a meditation aid when worn as a necklace.

Wisdom Stone
The amethyst is known as the Bishop's Stone and is still worn by Catholic Bishops. The amethyst symbolizes piety, humility, sincerity and spiritual wisdom. It is thought the amethyst is the perfect stone to symbolize The Age of Aquarius.

Healing properties of Amethyst
Amethyst is a gemstone often worn by healers, as it has the power to focus energy. A healer will usually wear several pieces of jewelry with amethysts set in silver, especially an amethyst necklace. The person to be healed will have an Amethyst to hold while the healing is being done. The healer will place another piece of Amethyst on the area of the body in need of healing, the heart or lungs usually.

Amethyst is used for problems in the blood and in breathing problems. Amethyst crystal clusters are used to keep the air and life force in the home clean and positive.

Amethyst clusters, points or several tumbled Amethysts placed in a window that receives sun most of the day are very beneficial to use in healing and to heal negativity in the home. Place Amethyst clusters, points or several tumbled Amethysts in moonlight and everyone in the home will be feeling calmer. Using an Amethyst as a meditation focus will increase the positive spiritual feelings. Amethyst helps overcome fears and cravings. It also helps relieve headaches.