Search Results
Fine Jewelry University Articles matching: “quartz and gold ring”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Jade
… had already been a tradition for thousands of years. At that time, gem carvers worked primarily with nephrite, quartz, lapis lazuli, and wood. With the introduction of jadeite, the carvers switched focus from the previous materials to this…and Synthetics Jade Jade has been replicated and imitated over the years. The most common imitations by far are dyed quartz, glass, and plastic. These imitations can be identified quickly by a trained gemologist. Other stones that have been…
-
Alternative Metals for Men’s Jewelry
…. As a frame of reference, cobalt rings come in around 7-8 on the Mohs hardness scale which is about the same as quartz or topaz but softer than tungsten or sapphire. Like most alternative metals, cobalt chrome bands are hypoallergenic and … for low grade pieces with more nickel Cobalt Looks like white gold or platinum, hypoallergenic Cut in 2 places 7-8, quartz or topaz Scratches more easily than others Carbon Fiber Light weight, modern look Cut NA Can feel “too light” …
-
Gem in the Spotlight: Iolite
… discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or Topaz. Because of this, some extra care… different colors when observed at different angles, especially with polarized light. Pleochroism is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. …
-
Gem in the Spotlight: Aquamarine
… 2.72 and it has a Mohs hardness of 7.5-8.0. For comparison, this means that it is softer than Sapphire, harder than Quartz, and similar to Topaz. This makes it a very durable stone that is suitable for regular wear. But, care should still … was believed to guarantee a happy marriage Best known for its beautiful blue color, aquamarine was used to bring happiness, eternal youth, and control passion. In the body, aquamarine was thought to reduce swelling, prevent convulsions, …
-
Gem in the Spotlight: Topaz
… 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 … 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 chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a …
-
Jewelry Solder: What You Should Know
Solder is the unseen “glue” that holds most jewelry together. If you have ever had a ring sized, a chain repaired, or your wedding set joined together, you have very likely seen solder in action. But, what … we first have to understand metal alloys. If you haven’t already, now would be a great time to read our article on gold purity . Now you should know that the metals that make up our jewelry are actually a mix of multiple different metals… will focus our discussion on gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety…
-
Gem in the Spotlight: Spinel
… with care. Its Mohs hardness of 8 puts it on par with Topaz. It’s softer than diamond or sapphire but harder than quartz, tourmaline, and peridot. With proper care there’s no reason why a piece of spinel jewelry can’t last for generations …hardness of 8 and good toughness spinel is a great choice for all forms of jewelry. We recommend occasional wear for rings and bracelets, but earrings and pendants are suitable for daily wear. Spinel can come in virtually any color of the…
-
Gem in the Spotlight: Emerald
…. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific…Springtime exudes life, full of bright colors and renewed energy. Emerald, May’s gemstone, captures this enthusiasm for … are predominantly found. What sets trapiche emeralds apart from other emeralds is their unique growth habit, featuring six black spokes radiating from a hexagonal core. This distinctive pattern is believed to form due to interruptions in…
-
Jewelry Repair FAQ
… you have a question that you don’t see answered here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry to look just the … becomes at risk of falling out of the mounting. Retipping is the process of adding a small amount of metal (usually gold or platinum) to the top of worn down prongs to keep the gemstone secure. In the past, almost all gemstones had to …
