exhibit reddish or rose overtones). Some stones are so oversaturated with color they have areas that are blacked out, which can negatively impact their value.

Amethyst is available in a wide range of calibrated sizes and shapes, including many fancy cuts. Large fine stones are sold in free sizes but generally the stone is cut in standardized dimensions. Paler shades, sometimes called "Rose of France", were common in Victorian jewelry. Banding - darker and lighter zones of color - is also a common occurrence. Occasionally, amethyst is even found combined with its sister quartz citrine into a single stone called ametrine.

The most common enhancements to amethyst are heat and irradiation. The stone, which ranks a 7 on the Mohs hardness scale, is considered durable

The most common enhancements to amethyst are heat and irradiation. The stone, which ranks a 7 on the Mohs hardness scale, is considered durable enough