Warning: You appear to be using an obsolete browser, and soon you may not be able to access our website. We strongly recommend that you upgrade your browser as soon as possible.

Search Results

Fine Jewelry University Articles matching: “Re make verses repair”

Showing only FJU Article results. Click here to show all results.

Fine Jewelry University (Show All FJU Articles)

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

    Gem in the Spotlight: Amethyst

    …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… with many other extraordinary attributes. Among its reputed benefits are an ability to quicken the intelligence, make the owner more successful in business, protect soldiers, assure victory, help hunters, guard against contagious …

  2. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … of color are called “common 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 …Doublets and triplets are much less expensive than other forms of opals because you only need a paper thin slice to make them. History and Lore of Opal Opal’s rich history is intertwined with beliefs and legends that have shaped its …

  3. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    … of the birthstones for December. We have a great variety of topaz jewelry in stock at our everyday low prices. They make great gifts for anyone born in November or December, and for anyone……” always comes to mind when I hear people discussing Topaz. You can hear one person say, “I love Topaz; it reminds me of a blue sky.” Then her friend says back, “Topaz may be like a golden sunset, but not the sky.” A third friend will … will chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a passerby contributes, “You all are nuts, it’s like a rainbow with all the colors at once.” And of course, all of them are right. History and Lore Topaz in its …

  4. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … and uniqueness to the stone. At this point in history, almost every emerald has had some level of treatment to make the fractures less visible. It is so common that if the stone doesn’t have a report from a reputable lab (like GIA) …Current estimates say that less than 1% of emeralds are untreated. Fracture filling is a treatment to the stone that makes the fractures less visible. There are many ways to do this with oiling, natural resin, synthetic resin, silicone, …

  5. Frequently Asked Question about Jewelry

    …judge the elements and their beauty and value, and can apply this knowledge. This training and experience combine to make a gemologist. A gemologist like other professionals must keep up with current advancements in the field. The pace of…? Many diamond wedding rings are available in a comfort-fit style. Comfort-fit engagement rings have extra metal to make the inside of the band slightly domed, resulting in a very comfortable fit. Comfort-fit wedding rings are generally …

  6. Gold Purity and The Differences Between White and Yellow Gold

    … malleable and pliable of all metals. Yes, but what does that mean to me? Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one …. White Gold Can there be other colors of gold engagement rings? Yes, Gold is yellow metal but adding copper to gold makes it redder and adding silver, zinc and any other metal makes gold paler. The white color is achieved by a careful …

  7. What are “Blood Diamonds”?

    … of diamonds. We at Arden Jewelers have been knowledgeable of the conflict diamond issue for years. We work hard to make sure every diamond and gem is legitimate. We want our clients and friend’s jewelry to be a source of pride, not of …Conflict diamonds are diamonds illegally traded to fund conflict in war-torn areas, particularly in central and western Africa. The United…as “…diamonds that originate from areas controlled by forces or factions opposed to legitimate and internationally recognized governments, and are used to fund military action in opposition to those governments, or in contravention of…

  8. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    …garnet found primarily in Russia. Tsavorite is 7.5 on the Mohs scale. It is a green grossular garnet with a chemical make-up of CA 3 Al 2 (SiO 4 ) 3 . It has a Refractive Index (RI) of 1.740 and a dispersion index of 0.028. So how did …The discovery of Tsavorite in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite emeralds and the clarity of the cleanest sapphires, all with …. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent sparkle and scintillation. Tsavorite is also a very rare gemstone. It is uncommon to …

  9. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    …advanced jadeite carvings were made. Some of the carvings took as long as 10 years and a team of up to 50 carvers to make. Because of the incredible detail, many of these centuries old carvings are still unmatched in quality to this day. … Gemologically speaking, nephrite and jadeite are two different gems, with different refractive indices and chemical makeups. Both gems are silicates which basically just means that they are rocks. These particular rocks are made up of …