Search Results
Fine Jewelry University Articles matching: “Heart shaped ruby earrings”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Opal
… cleaners that could potentially damage the stone’s surface. For more valuable stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals can last for generations. Opals … slice to make them. History and Lore of Opal Opal’s rich history is intertwined with beliefs and legends that have shaped its significance across cultures for centuries. In ancient Greece, opal was regarded as a stone of foresight and …
-
How to Sell Your Jewelry
…The two critical factors are the gem itself and the condition. Some gems have a higher value then others. A natural ruby is worth many times more then a synthetic ruby. Diamonds are generally more valuable then amethysts. Knowing your gem…
-
Gem in the Spotlight: Tanzanite
…, which is a tendency to break when struck) means that care should be taken to avoid sharp impacts. Setting it in earrings or a pendant will help protect it if the intended use is daily wear. Rings and bracelets set with tanzanite should only… from its color. Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, sapphire and emerald and hard than opal. Tanzanite has a refractive index of 1.69-1.70. History and Lore of Tanzanite …
-
Gem in the Spotlight: Amethyst
… One of the most famous amethyst stones is in The Morris Amethyst Brooch which is set with a large 96 carat heart shaped amethyst. It resides in the collection of the Smithsonian Institution, National Museum of Natural History. The amethyst…
-
Alternative Metals for Men’s Jewelry
… chemical symbol “W”. The “W” comes from its earlier name, wolfram. Tungsten has a high melting point at an astounding 6,191 degrees Fahrenheit. Tungsten is rated at about a 9 on the Mohs scale of hardness which is the same as Ruby or Sapphire and just below diamond (which is 10). Like these gems, tungsten is very scratch resistant and will not bend out of shape, but it will break if enough shock or pressure is applied to it. Tungsten is a dense metal which is what …
-
Gem in the Spotlight: Topaz
…. Topaz itself is a hard gemstone with a Mohs hardness of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For reference, topaz is a bit softer than diamond which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It is a bit harder than emerald at 7.5-8 and quartz which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 to 1.627 Birefringence: 0.008 to 0.010 Specific gravity: 3….
-
Gem in the Spotlight: Emerald
… known for its clarity and rich green color. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require proper care to maintain their brilliance …
-
The History of Diamond Cuts
… off the octahedral shape of the natural diamond. The French cut has just 9 crown facets, with the square or rhombus-shaped table facet diagonal to the square of the crown. At the four sides of the table are four triangle facets that point … round brilliant have come and gone each claiming to surpass it in some way. None have captured our imagination or hearts the way the modern round brilliant has. It has been and remains the most frequently chosen diamond cut for engagement…
-
What Are Lab Grown Diamonds?
…are man-made diamond simulants. It is important to reiterate here that just because a material can be used as a diamond simulant does not make it a “fake” or a bad thing. YAG, for example, is a very useful crystal that lies at the heart of our laser welder . The most popular diamond simulant by far today is synthetic Cubic Zirconia (CZ) . It is cheap to produce and sparkles very brilliantly. It is a great example of a synthetic gemstone that is a diamond simulant. CZs …
