Amethyst Machine-Cut  Round Faceted Stones, AA-Grade

Quantity (PAK) Price
1 - 1 $29.00
2 - 3 $28.00
4 and above $27.00

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Description

This AA-grade round machine-cut amethyst features a lively, deep-purple color saturation that complements a variety of metal colors and gemstones. Use it by itself for simple earring or ring designs, or highlight the color by pairing it with contrasting-color stones 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 stone will often show color zoning—angular zones of light and dark colors.

Rio Grande offers an array of colorful machine-cut gemstones at great prices! These top-quality, eye-clean stones feature exact cuts and sizes. Round-cut gemstones are highly popular and the most commonly available. Rio round gemstones are calibrated for size and hand inspected to ensure maximum attractiveness.


Specifications:
  • Cutting Center : Thailand
  • Mineral source : Africa
  • Stone(s) shape : Round
  • Material : Amethyst
  • Stone type : Natural
  • Clarity : Eye-clean
  • Grade : AA
  • Mohs hardness : 7
  • Refractive index : 1.544–1.553
  • Enhancement : Heat-treated (H)
  • Specific gravity : 2.63–2.65

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. Rio allows a tolerance of +/– 0.1mm for gemstones 4mm and smaller.

Catalog page: 2019-2020 Gems and Findings & Display and Packaging Catalog p.696