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Fine Jewelry University Articles matching: “Emerald shape amethyst”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Pearl
… by which they are created is completely unpredictable, and as a result, natural pearls come in a wide range of shapes, sizes, and colors. They are typically irregular in shape and have a unique, organic beauty. Cultured pearls are created…, including the Sultan of Turkey and the French Crown Jewels. The Hope Pearl is known for its large size and unusual shape. It weighs approximately 450 carats and is shaped like a teardrop, with a slightly elongated top section and a wider…
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Types of Necklace Chains
… also known as venetian chain has a bright, modern design. This chain is formed when flat wire 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 …when compared to a herringbone chain. These chains often have a domed, curved profile. This chain link will hold its shape which is why they are constructed to have a slight curve. Because of the tightly installed plates these chains are …
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Types of Jewelry Clasps
…-rounded clasp that is relatively inexpensive, strong, and easy to use. They come in a huge variety of styles and shapes including the traditional oblong shape, hearts, teardrops, specialty designer styles, and more. They have a simple … 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 weight chains and can be a little …
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Gem in the Spotlight: Topaz
… 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: 3.53 Mohs Hardness: 8 Care and Cleaning Even though it’s …
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Frequently Asked Question about Jewelry
… of trust. For more information see our Custom Design page . What are the 4 C’s? The four C’s are Carat Weight, Cut, Color and Clarity. Carat is the weight of a gem. A carat equals 1/5 of one gram. Cut has two components to it. The shape of the stone and the way facets are positioned on the diamond. Color is actually looking for the absence of color or transparency. Clarity is inclusions and natural birthmarks of a diamond and is useful as identifying characteristics. …
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Gem in the Spotlight: Tanzanite
… 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 estimates are …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 was …
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Anatomy of a Ring
… the center stone, or sometimes center cluster. There are many styles of halo rings. A halo can be a variety of shapes and contain different cuts of stones. There can even be multiple halos forming concentric circles around the center … protect the center stone from damage. If you are shopping for a halo engagement ring, first look for the overall shape of halo that you like (e.g. round, cushion, square, something else), and then consider how the accent stones in the …
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Alternative Metals for Men’s Jewelry
… it is much more affordable. Tungsten carbide bands are extremely scratch resistant. Tungsten does not bend out of shape due to its hardness which can be a safety feature which we will discuss later. It is hypoallergenic, so people with … 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 gives it the…
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Gem in the Spotlight: Jade
… green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of all green jadeite colors is a saturated emerald green that is almost transparent, and it is called “Imperial Jade.” Jade is one of the top selling gems in Asia, but its beauty and cultural importance have landed it a spot as one of the most important items in the global gem market. …
