Search Results
Fine Jewelry University Articles matching: “light blue star sapphire ring”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
The Magic of Polarized Light
… (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light …We use polarized light on a daily basis when we put on our sunglasses, turn on our TV, or sit down at our computer. But, what is polarized … light is actually a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any light source travels in many different directions, and the vibrations around each ray of light are …
-
Star White Gold
… white, grade 2 is standard, and grade 1 is premium. This means that when white gold is made, it can be yellowish to light yellow. When white gold rings are new they are coated with a white metal called rhodium. Rhodium is a metal very … rhodium plating is used to make the white gold look whiter. The natural color of the white gold could actually be a light yellow color. The rhodium is very white and very hard, but it does wear away eventually. Regular, Plus, or Premium? …
-
Gem in the Spotlight: Sapphire
Few gems capture the imagination as does sapphire. Sapphire‘s beauty inspired people to wonder. Ancient cultures had many lore and beliefs about the sapphire. The … the earth rested on a giant sapphire whose reflection gave the sky its color. Ancient priests and sorcerers honored sapphire above all gems, for this stone enabled them to interpret oracles and foretell the future. Symbolizing truth, … partners put great faith in the stone. If its luster dimmed, one knew his or her spouse had been unfaithful. Sapphire refused to shine when worn by the wicked or impure. Known as the celestial gemstone, the sapphire has been treasured for …
-
The Birthstones
… 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 about Ruby August’s … and durability making it suitable for regular wear and its brilliance is on par with even the most beautiful sapphires and rubies. It has a long and rich history and has even been mistaken for ruby in the crown jewels. Sardonyx is a lesser …
-
Gem in the Spotlight: Blue Zircon
…The refractive index (abbreviated RI) of a gemstone is its optical property that refers to the ratio of the speed of light in a vacuum to the speed of light through a transparent gem. Light is bent as it moves from air to the gem material… hues like a rainbow. Then the rainbow effect is broken and focused by the facets of the gem to create the brilliant light show we see. Zircon is also of interest to geologists because it is one of the oldest minerals on earth. In the gem …
-
Gem in the Spotlight: Topaz
… 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 …). Smokey Topaz: Brownish grey color. Blue Topaz: The most common color. A full range of shades is available from light Sky Blue to dark London Blue. Topaz is also found in less commonly known colors like green, pink, and purple. Imperial …
-
Gem in the Spotlight: Tanzanite
…, 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 Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current … 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 Tanzanite …
-
Alternative Metals for Men’s Jewelry
… 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 …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 biocompatible. But, in our experience, …
-
Types of Necklace Chains
… is folded into a cube shape and then linked together. The flat sides and defined edges of each box link reflects light and makes this chain one of the most eye catching design. Like the cable and rolo chains, the box chain is flexible. … redundancy makes the rope chain one of the most durable chain designs there is. Each twist on these chains reflects light easily and when they are diamond cut they are extremely sparkly. Although most chain styles can come in a hollow …
