Amethyst Cushion Faceted Gemstone, AA-Grade

This AA-grade cushion amethyst features a deep-purple color saturation that complements a variety of metal colors and gemstones. Its eye-catching cut and color make it a great choice for simple designs that highlight these qualities. Use it by itself for simple earring or ring designs or highlight the color by pairing it with contrasting-color gemstones to create more complex, multicolor designs. Amethyst is the birthstone for February. Amethyst is the best known and most valuable form of quartz. The light-to-dark purple color of natural amethyst is caused by iron or manganese compound impurities in the mineral and can range from a watercolor pale pink to a dark, almost opaque, purple. a single gemstone will often show color zoning—angular zones of light and dark colors. The cushion cut is a classic style; it combines features of the oval cut with a deep cut and large facets.

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Gemstone type: Amethyst
Stone shape: Cushion
Stone size: 9mm, 10mm
Stone type: Natural
Color: Purple
Birthstone: February
Enhancement: Heat-treated (H)
Grade: AA
Mohs hardness: 7
Clarity: Eye-clean
Refractive index: 1.544–1.553
Specific gravity: 2.63–2.65
Brand: AGTA
Cutting center: Thailand