Amethyst is a Silicon Dioxide with traces of Iron. In other words and rather prosaically, amethyst is purple quartz.
Amethyst is a purple variety of quartz, iron impurities (in some cases in conjunction with transition element impurities), and the presence of trace elements, which result in complex crystal lattice substitutions. Amethyst can fade in tone if overexposed to light sources and can artificially darken with adequate irradiation.
Amethyst produced in abundance from the state of Minas Gerais in Brazil, where it occurs in large geodes within volcanic rocks. Many of the hollow agates of southwestern Brazil and Uruguay contain a crop of amethyst crystals in the interior.
The best varieties of amethyst can found in Siberia, Sri Lanka, and Brazil.
Amethyst is an extremely powerful and protective stone with a high spiritual vibration.
Amethyst opens conscious access to the spiritual body, spiritual awareness and awakening, it brings calmness and clarity, and is a beautiful stone when working in times of confusion or chaos as it provides common sense and flexibility in times of crisis.
This stone is helpful where insomnia caused by an over-active mind and protects against recurrent nightmares.
Amethyst promotes responsibility, self-worth, spiritual peace, and meditation.
Amethyst enhances memory and improves motivation, making you more able to set realistic goals.
Amethyst prevents drunkenness and has a sobering effect on overindulgence, it supports sobriety and can assist with addiction and blockages of all kinds.