Royal Amethyst 8 x 6mm Oval Faceted Stone, AAA-Grade | 91526

Stone size: 8 x 6mm 
Stone shape: Oval 
Material: Amethyst 
Stone type: Natural 
Color: Deep purple 
Clarity: Eye-clean 
Grade: AAA 
Mohs hardness: 7 
Refractive index: 1.544–1.553 
Specific gravity: 2.63–2.65 
Treatment: Heat-treated (H) 
Cutting center: Thailand 

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. Amethyst is the birthstone for February.
please note:
• Care: Clean with warm, soapy water. Ultrasonic cleaning is usually safe; never steam clean.
• Unless precisely calibrated to an exact size, gemstone sizes vary slightly. Yu Yo allows a tolerance of +/– 0.2mm for gemstones larger than 4mm.

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