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Fine Jewelry University Articles matching: “Loose aquamarine gemstones”
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Fine Jewelry University (Show All FJU Articles)
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Types of Jewelry Clasps
… and bracelets. The hook-and-eye clasp was also used by the Greeks and Romans who often embellished them with gemstones and intricate designs. In the 19th century, the development of new metalworking techniques and machinery led to the mass …. This is one of the reasons why they are often used on bracelets. CONS Longevity – The tongue (insert) can become loose over time and will need to be adjusted. If the tongue is made out of silver this can happen quite quickly. …
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Gem in the Spotlight: Peridot
…. Do not use a home ultrasonic machine for cleaning. Instead, use warm soapy water and a tooth brush for at-home cleanings. If well cared for, Peridot jewelry can last generations. We have an excellent selection of Peridot jewelry and loose Peridot gems that we can set for you. Come by the shop to find your
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Gem in the Spotlight: Ruby
… deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form of … the process. You can use an ultrasonic cleaning machine with rubies, but use caution as these machines can cause loose gems to come out of their settings. Remember to dry your ruby jewelry thoroughly before wearing or storing. Why Ruby? …
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Gem in the Spotlight: Garnet
… midst of cold, white (valley fog) and at times stark surroundings are rewarded with one of the most varying birth gemstones…Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to … garnet crystals in rock reminded them of the shape and color of pomegranate seeds. Garnet is really a group of gemstones. The pyrope, almandine and spessartite are the red – brown to orange sometimes with a tint of violet varieties. The …
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Gem in the Spotlight: Opal
… opal”. Opal has a refractive index of 1.37 – 1.47 and a Mohs hardness of 5.5-6. This makes it one of the softest gemstones commonly used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: …, it is important to care for this delicate gemstone to maintain its brilliance. Opal is not as hard as some other gemstones, making it susceptible to scratches and damage from sharp impacts. Household chemicals and extreme temperature …
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The Magic of Polarized Light
… Polarizing filters are critical to many fields of study. Without them, we wouldn’t be able to easily identify gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way it … allow them to function efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) …
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Gem in the Spotlight: Blue Zircon
Zircon may be last in the alphabet of gemstones, but it is first in sparkle. The crystal structure of zircon creates one of the liveliest displays found in any colored gem. In fact, before any of the manmade diamond simulates were made, the colorless version of zircon was used in …
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Gem in the Spotlight: Alexandrite
…, warm soapy water and a soft-bristled brush are always the safest. With its innate durability and proper care a high-quality stone will last for generations. Why Alexandrite? Alexandrite is simply one of the most magnificent gemstones that exists. Its almost magical ability to change color has captivated our hearts and minds for generations. Alexandrite is one of June’s birthstones (along with moonstone and pearl) making it a great gift for that special someone with a …
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Gem in the Spotlight: Jade
Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an incredibly important part of Asian, Central American, and North American history ever since. But, what is jade, and what has given it such a prominent place in…
