Long Jewelers
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What is a sapphire?

Sapphire is a gemstone variety of the mineral corundum, an aluminum oxide. Trace amounts of other elements such as iron, titanium, chromium, copper, or magnesium can give corundum blue, yellow, purple, orange, or a greenish color. Chromium impurities in corundum yield a pink or red tint, the latter being called a ruby.

The sapphire is considered one of the four precious stones, together with the ruby, the emerald and the diamond. Sapphires have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissonite and diamond are harder, with diamond having a Mohs hardness of 10.0 and moissonite falling somewhere in between sapphire and diamond in hardness.

The sapphire is one of the three gemstone forms of corundum, the other two being ruby – defined as corundum in a shade of red—and padparadscha—a pinkish orange variety. Although blue is their most well-known color, sapphires may also be colorless and they are found in many colors including shades of gray and black.

Sapphire Rings

Sapphire Pendants

Sapphire Earrings

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  • Home
    • About Us >
      • Before and After
    • Contact Us
  • Precious Metals
    • Information About Gold >
      • See Current Gold Price
    • Caring for Your Gold Jewelry
  • Engagement Rings
  • Estate and Closeout Jewelry
    • Estate and Closeout Rings
    • Estate and Closeout Pendants
  • Diamonds
    • Bands, Wraps, Drop-ins
    • Right Hand Rings
    • Diamond Pendants
    • Diamond Earrings
    • Diamond Bracelets
  • Pearls
    • Pearl Rings
    • Pearl Pendants
    • Pearl Earrings
  • Rubies
    • Ruby Rings
    • Ruby Pendants
    • Ruby Earrings
  • Sapphires
    • Sapphire Rings
    • Sapphire Pendants
    • Sapphire Earrings
  • Emeralds
    • Emerald Rings
    • Emerald Pendants
    • Emerald Earrings
  • Blue Topaz
    • Blue Topaz Rings
    • Blue Topaz Pendants
    • Blue Topaz Earrings
  • Amethysts
    • Amethyst Rings
    • Amethyst Pendants
    • Amethyst Earrings
  • Garnets
    • Garnet Rings
    • Garnet Pendants
    • Garnet Earrings
  • Citrines
    • Citrine Rings
    • Citrine Pendants
    • Citrine Earrings
  • Peridots
    • Peridot RIngs
    • Peridot Earrings
  • Other Gemstones
    • Black Onyx
    • Tanzanite
    • Opals
  • Watches
    • Citizen Watches for Women
    • Citizen Watches for Men
    • An Article About Wristwatches
  • Men's Jewelry