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Fine Jewelry University Articles matching: “Sapphire rings”

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Fine Jewelry University (Show All FJU Articles)

  1. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … found in smaller deposits in other countries such as Russia, the United States, and Canada. Amethyst is known for its durability with a Mohs hardness rating of 7. For reference, amethyst is roughly as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals which means that it can withstand daily wear and tear. Amethyst …

  2. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … and aquamarine) and are valued for their rich green color. The intensity of an emerald’s hue depends on the presence of chromium and vanadium in the crystal structure. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific gravity ranges from 2.65 to 2.75. One of the distinctive features of …

  3. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    … it compliments most skin tones and complexions. It is entirely appropriate for everyday wear, and it can be worn as rings, pendants, earrings, necklaces, bracelets, pins, brooches, or whatever else you can think of. Morganite is …

  4. The Difference Between White Gold and Platinum

    …Some manufactures of white gold look light yellow and never achieve the white look. It does not sound like a big problem because if you don’t like the light yellow look of a specific manufacture, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is used to make the white gold look more white. The Rhodium is very white and very hard, but it does wear away eventually…

  5. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    …used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (… that could potentially damage the stone’s surface. For more valuable stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals can last for generations. Opals have very…

  6. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … shape and appearance. Mabe pearls are typically used in jewelry designs that require a flat surface, such as earrings, pendants, and rings. Seed Pearls: These are very small pearls, typically less than 2mm in diameter, that are so named …. Storing pearls for long periods can cause them to dry out. So, enjoy them often! Keep in mind though that pearl rings in particular are not intended for everyday wear. Rings take more abuse than necklaces or earrings, so wear your pearls…

  7. Rough lab grown man made diamonds

    Is a Lab Grown Diamond Right for Me?

    … economy of the host country. Often times, these countries are impoverished, and the jobs and income that the mine brings can help elevate many people out of poverty. Lab grown diamonds are not one-of-a-kind in the same way that natural …S. If you are considering a lab grown diamond, be sure to checkout Balance , our own collection of unique engagement rings made exclusively

  8. Caring for and Cleaning Your Jewelry

    … or special events only. Understanding the limits of your jewelry should allow for years of enjoyment. One of the best ways to prevent your jewelry from being damaged is to remove it when you do certain activities. Always remove your rings when you garden, do the dishes, or generally work with your hands. Make sure to put your jewelry in a safe place that you will remember when you take it off. There is a lot you can do on your own to keep your jewelry shining like new, …

  9. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    … Bloodstone Green jasper dotted with bright red spots Carnelian Reddish orange chalcedony Gemology of Quartz Quartz is known for its durability with a Mohs hardness rating of 7 (harder than opal and peridot but softer than topaz or sapphire). This makes it a fairly hard gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals, which means that it can withstand daily wear and tear very well. All quartz has the same refractive index at…