Chemical Composition: Silicon Dioxide - Hardness: 7
Ametrine, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined in Bolivia, although there are deposits being exploited in Brazil and India.
Metaphysical Attributes: Amethyst is said to bring serenity and calm, and to enhance one's ability to assimilate new ideas. It is also said to give strength and mental stability, and to provide balance between one's physical, emotional, and intelectual states. Amethyst is also said to make one shrewd in business matters. Amethyst is said to help remove toxins from the body and to treat arthritus.
Correspondin Astrological Sign: Ametrine is the birthstone for October, and is associated with the signs Libra.