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Fine Jewelry University Articles matching: “Clear topaz”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Topaz
…” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the Portuguese crown jewels as such. It wasn’t until many years later that more modern testing identified it as a clear topaz instead. Even though its true identity is now known, the large imposter still sits in the Portuguese crown jewels today. The name “Topaz” comes from the old Greek name “Topazios” for an island in Foul Bay, Egypt (now called Zabargad). Of …
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Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… and they are talking points or gainers, make them convert it to your understanding. It is their job to give you clear information to compare. The cut “C” of the 4 C’s has two components. The first component is simple. The cut can refer to… and lower grades. Assessing the clarity grade of a diamond is a lot like a baseball umpire. Most of the calls are clear cut, everyone agrees. But the border line calls can create big argument. In the diamond world, a higher grade costs …
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Gem in the Spotlight: Peridot
…it was believed that they intensified the effects of the drug. Gemologically speaking, Peridot is the gem variety of Olivine. It has a Moh’s hardness of 6.5 to 7 which makes it a little harder than Moonstone and a little softer than Topaz. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature changes. Do not use a home ultrasonic machine for cleaning. Instead, use warm soapy water and a tooth brush for at-home …
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What Are Lab Grown Diamonds?
… it is a simulant. Simulants are gems that look like a real, natural gem but are actually another material. So, a clear or white sapphire can be a diamond simulant because it looks like a diamond. That white sapphire can be natural or, …, then it is a diamond simulant. Simulant gems, again, are attempting to mimic another gem, and if they are not clearly disclosed as simulants they are considered fakes. A white sapphire is not, by nature, a fake (in fact it is a beautiful…
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What are “Blood Diamonds”?
… to fund military action in opposition to those governments, or in contravention of the decisions of the Security Council.” These diamonds are sometimes referred to as “blood diamonds.” In July 2000, the global diamond industry made clear to the international community its zero tolerance policy towards conflict diamonds. Dedicated to eradicating the trade in conflict diamonds, it worked closely with the United Nations, governments and non-governmental organizations (NGOs…
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The Birthstones
…. Tourmaline is also used as a birthstone for October. Learn more about Opal and Tourmaline November’s Birthstones: Topaz and Citrine Topaz symbolizes good fortune and longevity. According to legend, this golden stone possesses the power … quartz gem many of the best of which come from Brazil, is a current day birthstone for this month. Learn more about Topaz and Citrine December’s Birthstones: Turquoise (Blue Zircon, Blue Topaz, Tanzanite) Turquoise is found in Egypt, …
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Gem in the Spotlight: Quartz
… orange to brown, greenish yellow Prasiolite Green (often mistakenly referred to as Green Amethyst) Rock Quartz Clear Rose Quartz Various shades of pink, typically has a smooth, milky or hazy appearance Smoky Quartz Transparent brown … 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 …
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How to Value Inherited Jewelry
…, the intrinsic value standard may not be the best choice for your inherited jewelry items. Putting it All Together Clear communication is the final piece of the puzzle. Generally, one or a few people are responsible with the deposition of…jewelry item has a replacement value appraisal and that value is used as the estate wholesale value, then there is a clear misuse of the jewelry value which will lead to an inequitable division. How the jewelry value is determined is …
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Synthetic Gems: The Whole Story
… to high tech chemical tongue twister like gadolinium gallium garnet (also called GGG) and the modern diamond simulant Moissanite, a man made silicon carbide. In gemology, any material used to look like a gem is called a simulant. So clear glass, rock quartz, GGG, and Moissanite are all diamond simulants. They look like diamonds, 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 …
