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  • Blue Topaz Earrings

    $65.95 Regular Price
    $49.46Sale Price
    Simple and cute! Blue Topaz and 14K White Gold Earrings.  The total carat weight of the topaz stones is 1.17cts.
    SKU: 151127-E-TpB-001-002
    • About Topaz

      Hardness and toughness
      Gem and mineral hardness is measured on the Mohs scale. The numbers are based on the relative ease or difficulty with which one mineral can be scratched by another. But the Mohs scale is deceptive. The steps between the minerals are not evenly spaced. For example, diamond is only one number away, but it’s many times harder than gems in the corundum family.

      Because of its basal cleavage, topaz requires special care during cutting, polishing, and mounting. It’s not very tough, so a hard blow might split it, and extreme pressure or sharp temperature changes might cause it to break. To reduce the risk of breakage, cutters orient faceted topaz so the cleavage direction is at about a 15-degree angle to the table. Jewelers prefer to set valuable topaz gems in protective mountings. Or they use topaz in pieces that aren’t exposed to too much wear, like pendants and pins.
       
      Topaz rates 8 on the Mohs hardness scale. Its toughness rating is poor due to its cleavage

      Stability
      High heat or sudden temperature changes can cause breaks in topaz. The gem’s color is generally stable to light, but prolonged exposure to heat or sunlight might cause fading in yellow-to-brown, reddish brown, or dark brown topaz. Topaz is affected only very slightly by chemicals.

      Cleaning
      It’s important to avoid steam or ultrasound for cleaning topaz: Warm, soapy water works best.