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Fine Jewelry University Articles matching: “Sapphire rings”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: 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 collectors and connoisseurs who… it for hundreds of years. But, before the advent of modern gemology, most tourmaline was believed to be ruby, sapphire, or emerald. Gemology of Tourmaline Gemologically speaking, tourmaline is its own mineral and not a species or member of a…
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Anatomy of a Ring
… the shank, going as far up the sides as the design and the extent of the wear require. If you are careful with your rings (removing them when doing dishes, cleaning with harsh chemicals, gardening, etc.), the shank may last your lifetime … wires which can wear and break or crack over time. The gallery is also a prime location to see wear caused by other rings (e.g. wedding bands) that are worn next to each other. The constant friction with another ring can actually wear …
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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 …
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Frequently Asked Question about Jewelry
… Gem Laboratory in the world, does not recognize SI3 grades. What is a Comfort Fit Ring? Many diamond wedding rings are available in a comfort-fit style. Comfort-fit engagement rings have extra metal to make the inside of the band slightly… comfortable fit. This might result in the feeling that the ring feels “looser” in the finger. Diamond engagement rings with a comfort fit design have an oval cross section with very smooth rounded edges, giving them the comfort-fit name…
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Platinum
…. These qualities of platinum are equivalent to the ideals of eternal true love. All over the world, engagement rings, wedding bands and anniversary rings made in platinum symbolize the everlasting endurance of love. Platinum is pure, an …History of Platinum in Jewelry Platinum has been used in jewelry only since the 19th century. So platinum engagement rings are fairly recent. The Italian-French physician Julius Caesar Scaliger discovered Platinum in 1557. In 1590 Spanish …
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Gem in the Spotlight: Aquamarine
…ravity is 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… says, “to dream of aquamarine signifies the making of new friends.” Another saying is, “to wear aquamarine earrings brings love and affection.” Aquamarine as a precious stone has always been popular. In ancient times, the aquamarine was …
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Gem in the Spotlight: Topaz
… preference. 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 …
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Types of Jewelry Clasps
… are sturdy and ideal for heavier chains. Ease of Use – They are easier to use than some other styles (e.g. spring rings) because of their size and shape. CONS Size and Bulk – Lobster clasps can be a little bulky and heavy for thin light … trouble working your clasp. We should be able to find a great solution for you. Spring Ring (Circle Clasp) Spring Rings are another very common style of clasp. They are used on virtually every variety of jewelry, and most chains under $…
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The Magic of Polarized Light
…gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (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 in one direction. Gemologists use the term birefringence to refer to how doubly refractive a particular gem is. By …
