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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Tourmaline
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 gem world and remains the best kept secret of gem … 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 modern gemology, most tourmaline was … Gemologically speaking, tourmaline is its own mineral and not a species or member of a different family (unlike emerald and aquamarine, for example, which are members of the beryl family). It has a refractive index of 1.624 to 1.644 …
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Gem in the Spotlight: Tanzanite
…. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes Tanzanite so popular is its color. Tanzanite’s gorgeous color is a captivating mix of blue and purple. The deep hues …, and blue come together in an unrivaled blend only found in tanzanite. Yet, even with its rarity and dynamic look, tanzanite is still less in price than more commonly known gems like rubies, sapphires, and emeralds. Gemology of …
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Fake Diamonds: The Great Diamond Attack
… contestant would try to find out who was the real person. Technology has created many new diamonds and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating a fully natural … all the modern possibilities is quite demanding. So what is a real diamond? Let’s start with the older diamond look a likes, (CZ, GGG, YAG, Synthetic corundum and spinal, Glass) or simulants are quite easy to separate. The diamond …
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Gem in the Spotlight: Quartz
What is common and yet rare? What is well known but surprising? What is affordably priced sometimes and sometimes unattainably expensive? If you answered quartz… on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy Quartz. Some quartz material is a dollar per pound while others are $1,000+ per… each of these broad categories, the different colors of the gemstone are given different names. Below is a quick list to help you get a better handle on the vast diversity of quartz. Before we dive in to the list, we need to touch on …
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Gem in the Spotlight: Pearl
Pearls have captured the imagination and adoration of people from diverse backgrounds throughout history. They are both simple and infinitely complex. Let’s explore the science, history, and lore… this most unique gem. How Are Pearls Formed? Pearls are formed when a foreign object enters the shell of a mollusk and irritates the soft mantle tissue within. In response to the irritant, the mollusk secretes a substance called nacre…. Natural pearls grow in the wild without human intervention. They are very rare, and most natural pearls on the market today are antique. They can take years, even decades, to form, and are found only in a few select locations around …
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The Magic of Polarized Light
… 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 does now. Polarizing filters even… in water and glass so that we can see easier. Camera lens/filters: Polarizing lens filters reduce reflections, darken skies, and cuts out glare to help improve photo quality. Some filters can even be rotated on the lens to selectively…
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How to Sell Jewelry on eBay and Other Websites
Safeguards and presentation are critical when selling jewelry online Take a few great photos of your jewelry from different angles. Think about how you want to present your jewelry. Do you … return without losing the money or jewelry. An escrow account is usually a good option or you can get paid first. Take a photo before you ship in case the shipper damages it or the buyer says it was like this when they got it. If it …CZ and claim that is what they got). If you use eBay, you have to be found, do the research on the best category and keywords for your item. Remember to add up all the cost of selling to set your price (the cost of the listing, how …
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Frequently Asked Question about Jewelry
Here we answer some of your questions about jewelry in general. If you have a question you’d like answered, please contact us and we would be happy to help. What is a Gemologist? A gemologist is one who studies …scientifically, who knows and identifies them, can 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 …since it gives a positive reading on a thermal inertia testers (diamond testers). Some people use this property to fake unsuspecting diamond buyer out of their money. What is the difference between a Diamond Certificate and an …
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Understanding the Diamond Buying Game
How would you feel if your favorite soft drink tasted different in every can you drank? You expect a coke to taste like coke everywhere. In business, this is …a commodity. The soda is the same and you can shop based on price or convenience; the product is the same. People like shopping this way. I like it this way. Diamonds are not this way. The four C’s of diamonds are not that old, less … C system is supposed to be an agreed upon grading standard but in reality this is not always the case. Today, to make the grading standard more uniform, diamond certification by grading laboratories is thought to make diamonds a …
