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Fine Jewelry University Articles matching: “Do you buy old rubies”

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Fine Jewelry University (Show All FJU Articles)

  1. Three loose rubies in a row triangle oval and pear shaped

    Gem in the Spotlight: Ruby

    For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for …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 aluminum oxide with a Moh… used in jewelry second only to diamond (which has a Moh’s hardness of 10) and moissanite (which is in between). Rubies only occur in the color red which comes from trace amounts of chromium in the crystal structure. If they are too purple …

  2. Tanzanite is a beautiful blue purple gemstone that is very rare

    Gem in the Spotlight: Tanzanite

    … a price to match. Yet, even with its dynamic look, Tanzanite is still less in price than better known gems like Rubies, Sapphires, and Emeralds. There are many shades of color in the Tanzanite gem market. Some Tanzanites are extremely …Some sources place Tanzanite as the fifth most popular gemstone after the “big four,” which consist of Diamonds, Rubies, Sapphires, and Emeralds. Tanzanite jewelry makes a great gift for anyone born in December, or anyone who just likes …

  3. Synthetic Gems: The Whole Story

    … rich for thousands of years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just…, but they are not diamonds. These simulants are easy for a well trained and equipped gemologist to detect. But if you had gem material that is the same chemically, optically and crystal structure as a natural gem, it would be very hard …

  4. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    … to move out of the shadows and be appreciated in its own right, and we can see why. Its colors rival even the best rubies, sapphires, tourmalines, and other more popular gems. For only the 3rd time in the last one hundred years, the … relatively low for a stone of this durability, rarity, and beauty. Spinel can be just as stunning as top-quality rubies at just a fraction of the price. Now that spinel is joining peridot as one of August’s birthstones more people will be …

  5. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement stone for repairs. …s torch. However, with our laser welder we are able to retip prongs next to many gemstones (diamonds, sapphires, and rubies for example) without removing them, saving you time and money. Can my costume and fashion jewelry be fixed? Yes and …

  6. The Birthstones

    … let some call it “the lord of the gems”. Ruby is truly an ancient stone. Many myths and legends are associated with rubies. Synonymous with passion, the ruby is believed to protect one from being seduced and has the ability to soothe anger…The ruby has always been a symbol of love, charity and victory. The bible states that wisdom is “more precious than rubies“. Rubies and sapphires are the same mineral, corundum. Ruby is red and any other color is called sapphire. Learn more…

  7. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    …has been traded between France, Russia, and Sweden for centuries. It was long been believed to be one of the largest rubies ever found until it was identified as rubellite in 1922. Folklore suggests that tourmaline could help improve self-…Tourmaline is one of the most beautiful gems that you‘ve probably never heard of. Less popular than the likes of ruby or sapphire, tourmaline flies under the radar in the… who appreciate its unique properties and stunning array of colors. In fact, tourmaline is found in almost any color you can imagine, and people have most likely used and appreciated it for hundreds of years. But, before the advent of …

  8. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … gem simulants are trying to imitate diamonds, but there are also simulants for other valuable gemstones (sapphires, rubies, etc.). Here are some of the more popular diamond simulants. Synthetic Rutile was introduced in the late 1940s and … grown diamonds are diamonds that have been made by people instead of mined out of the earth. If it’s so simple, you might wonder why there’s an entire article below this sentence. The complexity arises from the fact that lots of …

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

    Gem in the Spotlight: Amethyst

    …hunters, guard against contagious diseases, and control evil thoughts. Amethyst was once as valuable as emeralds and rubies until very large deposits were found in multiple places around the world. Heavily increased supply dropped prices … his path, and he created fierce tigers to carry out his wish. This person happened to be Amethyst, a beautiful young woman on her way to pay tribute to the goddess Diana. In order to protect Amethyst, Diana turned her into a statue made…