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Stone : Ametrine

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Ametrine is a variety of quartz that contains both amethyst and citrine sectors in the same crystal. Sometimes amethyst and citrine colors are found in the same crystal of quartz. These bicolor yellow and purple quartz gemstones are called ametrine.
Ametrine can be cut to blend the two colors so that the resulting stone is a mix of yellow, purple, and peach tones throughout the stone. Ametrine is a durable gemstone that is suited for a variety of jewelry uses. The hardness of ametrine is 7 with a vitreous luster.
The Anahi mine in Bolivia is the natural ametrine source. At this location, both amethyst and citrine are thought to have been crystallizing simultaneously during formation. Ametrine is said to have all the metaphysical properties of both amethyst and citrine combined, as well its own unique properties; aids in meditation, relieves tension, disperses negativity and helps to eliminate prejudice. Ametrine is readily recognized by its colors, hardness, glassy luster, conchoidal fracture and lack of cleavage.