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Objective: To evaluate the association of preoperative noncontrast computed tomography stone characteristics, laser settings, and stone composition with cumulative holmium:yttrium-aluminum-garnet (Ho:YAG) laser time/energy. Materials and methods: We retrospectively reviewed patients who underwent semirigid/flexible ureteroscopy and Ho:YAG laser lithotripsy (200 or 365 μm laser fiber; 0.8-1.0 ...
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Meet your new favorite Multi-Color Multi-Gemstone Rhodium Over Sterling Silver Bangle 3.37ctw! JTV offers exceptional quality and value with this piece. ... 0.36ct African Amethyst, 0.37ct Brazilian Citrine, 0.48ct Vermelho Garnet™, 0.30ct Iolite and 0.42ct Manchurian Peridot™ With 0.10ctw Lab White Sapphire Rhodium Over Sterling Silver ...
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Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form ...
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A genuine garnet will change colors in these lights. Conduct a hardness test. Scratch the stone with steel or quartz. Steel's and quartz's hardness rating is of 5 on the Mohs scale, while that of garnet is 7 to 7.5. Thus, if the stone is a garnet, it will scratch steel but steel should not scratch the garnet.
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Jul 20, 2022In fact, the garnet color is determined by the chemical composition. For example, the raw garnet composed of calcium is green garnet, while the raw garnet composed of aluminum, iron or manganese is red garnet. Besides, blue garnet is rare and green garnet is valuable. Garnet stone has a color-changing effect.
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As a gemstone, this massive form of Grossular Garnet is mostly fashioned into cabochons rather than faceted gems. Color is usually green, but also occasionally pink or red. Hydrogrossular can also be colorless. Rare bicolor stones that show both red and green phases have been referred to as "Watermelon" Garnet.
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The chemical composition of the hessonite stone (garnet) is calcium aluminum silicate (Ca3 Al 2 {SiO4}3). The specific gravity is 3.65 and the refractive index ranges between 1.742 and 1.748.
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Garnet noun. A mineral having many varieties differing in color and in their constituents, but with the same crystallization (isometric), and conforming to the same general chemical formula. The commonest color is red, the luster is vitreous, and the hardness greater than that of quartz. The dodecahedron and trapezohedron are the common forms.
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The birthstone is January Garnet is a group of more than ten different gemstones of similar chemical composition. Red is the color most frequently found in garnet, but this gemstone group occurs ...
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Garnet is traditionally a birthstone for those born in the month of January. It is found in variety of colors that includes red, yellow, orange, brown, green, pink, blue, black and even some are even colorless. Garnet also shows a vitreous or glassy lustre.
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Browse 3,820 garnet gemstone stock photos and images available, or search for amethyst or rose quartz to find more great stock photos and pictures. Related searches: amethyst. rose quartz. aquamarine gemstone. peridot.
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May 12, 2021Garnet is an effective stone for the root chakra and works to keep it open. This allows stabilizing energy from Mother Earth to enter your body and travel up your metaphysical plane to keep you well-rounded. After hitting the root chakra, energy flows into the sacral chakra, which Garnet also influences. This energy point is all about creativity.
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Nov 8, 2021The extraordinary array of garnet stone colours makes it a great choice for jewellery as there's sure to be a hue that suits everyone born in this month. Origins Alone Make It A Remarkable Stone. Garnet stones form when a sedimentary rock rich in aluminium experiences heat and intense pressure. This often takes place in volcanic environments ...
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These include Pyrope, Almandine, and Spessartine. ("Pyralspite") Group 2: Garnets containing calcium (Ca) as their first element. These include Uvarovite, Grossular, and Andradite . ("Ugrandite") The members of each group freely intermingle among one another.
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All garnets have essentially the same crystal structure, but they vary in chemical composition. There are more than twenty garnet categories, called species, but only five are commercially important as gems. Those five are pyrope, almandine (also called almandite), spessartine, grossular (grossularite), and andradite.
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Garnet is the name used for a large group of rock-forming minerals. These minerals share a common crystal structure and a generalized chemical composition of X 3 Y 2 (SiO 4) 3. In that composition, "X" can be Ca, Mg, Fe 2+ or Mn 2+, and "Y" can be Al, Fe 3+, Mn 3+, V 3+ or Cr 3+.
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May 12, 2021Garnet is an effective stone for the root chakra and works to keep it open. This allows stabilizing energy from Mother Earth to enter your body and travel up your metaphysical plane to keep you well-rounded. After hitting the root chakra, energy flows into the sacral chakra, which Garnet also influences.
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COLOR: Natural Red Garnet is Dark-red. It is a very strong color - the color of fire and blood. ORIGIN: Brazil, India, Madagascar, Sri Lanka and the USA. Smaller deposits exist in Austria and the Czech Republic. CHEMICAL COMPOSITION: Fe3Al2 (SiO4)3 (Iron aluminium silicate) CUT: Round, Baguette, Oval, Pear, Square, Emerald, Marquise, Trillion, Heart ...
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Garnet is the name used for a huge group of rock-producing minerals. These minerals share a familiar crystal composition and a generalized chemical structure of X3Y2 (SiO4)3. In that chemical composition, "X" can be Ca, Mg, Fe2+ or Mn2+, and "Y" can be Al, Fe3+, Mn3+, V3+ or Cr3+. Although garnet is often linked with the colour red.
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Aug 25, 2022Garnet: Ruby: Color: Color based on their chemical composition. Dark red is the most common. Vibrant, blood red color: Treatment: Most of them are 100% natural: Most of them are heat treated to make the stone look clearer and more vibrant: Light: Garnets reflect hues of yellow and green when held up to the light
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The stone forms a solid solution series with almandine and spessartine, which are collectively known as the pyralspite garnets: pyrope, almandine and spessartine. Iron and manganese substitute for the magnesium in the stone structure. The resultant, mixed composition garnets are defined according to their pyrope-almandine ratio.
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Malaya Garnet. The term 'Malaya' refers to the unusual appearance of these garnets, and has nothing to do with the country of Malaysia. Most of these Garnets are mined in Tanzania and Madagascar. This researcher considers Malaya (a.k.a Malaia) to be primarily a variety of Pyrope that has unusual color: red, pinkish red, pink, brown, brownish ...
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Mali Garnet Gemstones. In the large and varied garnet family of gemstones, there are six common varieties that are classified by their chemical composition; pyrope, almandine, spessartite, grossularite, uvarovite and andradite. There are also some mixed members, such as rhodolite garnet, which is a mixture of pyrope and almandite by composition.
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Garnet Physical and Chemical Properties The most normally encountered minerals in the garnet institution consist of almandine, pyrope, spessartine, andradite, grossular, and uvarovite. They all have a vitreous luster, a obvious-to-translucent diaphaneity, a brittle tenacity, and a loss of cleavage.
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Chemically, almandine is an iron-aluminium garnet with the formula Fe 3 Al 2 (SiO 4) 3; the deep red transparent stones are often called precious garnet and are used as gemstones (being the most common of the gem garnets). [16]
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My personal garnet collection exceeds 70 gems, of which all but two, are in this rare, brighter category. For my discussion, it helps to know the chemical formula for the 5 main gem garnets: Pyrope Mg3Al2, Si3O12 Almandite Fe3Al2, Si3O12 Spessartite Mn3Al2, Si3O12 Grossular Ca3Al2, Si3O12 Andradite Ca3Fe2 Si3O12
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Since the chemical composition of garnet is variable, it can be difficult to tell an umbalite garnet from other species of garnet. ... Luster is the term used for how much light is reflected off a stone. Since garnet is crystalline, it has what is known as a vitreous luster. This means that it has a luster similar to that of glass.
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While garnet is mostly known as a rich, red stone, garnet is actually a name used for a larger group of minerals that can occur in multiple colors. Hessonite garnet is a specific grossularite form of garnet most known for a warm, yellow to reddish tone. ... Grossular, garnet group: Chemical Composition: Ca 3 Al 2 (SiO 4) 3: Color: Reddish brown ...
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The garnet has been a popular gem throughout history. Garnets were found as beads in a necklace worn by a young man in a grave that dates back to 3000 B.C. This is proof of the hardness and durability of the stone. The King of Saxony is said to have had a garnet of over 465 carats. Plato had his portrait engraved on a garnet by a Roman engraver.
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May 11, 2022Garnet is the name used to describe a large group of silicate, rock-forming minerals. Each species of garnet have similar physical properties and are similar in crystal form, they do however differ in chemical composition. The semi-precious garnet gemstone rates between 6.5 and 7.5 on the Mohs scale of hardness.
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Red garnets have a long history, but modern gem buyers can pick from a rich palette of garnet colors: greens, oranges, pinkish oranges, deeply saturated purplish reds, and even some blues. Red garnet is one of the most common and widespread of gems. But not all garnets are as abundant as the red ones. A green garnet, tsavorite, is rarer and ...
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Our Gemstone Encyclopedia has information on over 300 gemstones, from traditional and popular jewelry standards to collector's stones that rarely appear for sale. Each entry has photos and detailed information about the gem's properties. Entries for jewelry stones also have price guidelines and discussions of their most important value factors.
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Lab Created Gemstones - Synthetic Corundum - Lab Created Ruby - Synthetic Garnet Synthetic Garnet. Lab Created Garnets come under the category of Synthetic Corundum.Synthetic Garnets are made by a method called Flame Fusion.They are made in such a way that they look like Natural gemstones.These Synthetic Garnets will have same chemical properties of the real stones.
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Indian name - Garnetonly. Properties. SG - 3.49-4.16, RI - 1.92 - 1.98, Hardness - 7.25. The chemical elements in garnet include calcium, magnesium, aluminium, iron chromium, manganese, and titanium. Formation - Six common varieties of garnet have been recognised, basis their chemical composition. They are pyrope, almandine or ...
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Garnet is the sole birthstone for January, which seems appropriate given the sheer number of varieties available. It is the suggested wedding anniversary stone for both the 2nd and 18th anniversaries and is also listed as an alternate gift stone for the 15th, 19th and 25th celebrations. Garnet is the gemstone for the zodiac sign of Aquarius too.
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A garnet stone is often gifted to a loved one before they embark on travel. Garnets are commonly believed to aid in the healing of broken bonds of love. ... Chemical Composition: Mg 3 Al 2 (SiO 4) 3) Color: Deep red to bright violet-red: Hardness: 7 to 7-1/2 (Mohs) Specific Gravity: 3.65 - 3.80: Refractive Index: 1.730 - 1.760: Proper Care of ...
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Effect of Stone Composition on Operative Time During Ureteroscopic Holmium: Yttrium-Aluminum-Garnet Laser Lithotripsy With Active Fragment Retrieval July 2012 Urology 80(4):790-4
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All Garnets have essentially the same crystal structure, but they vary in chemical composition. Out of these the varieties of Red Garnets and Hessonite are the most popular, easily-available and very useful for astrological purposes. Hessonite is a grossular type of garnet stone and its color tones range from honey-yellow to deep reddish brown.
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Here's a quick comparative analysis to understand the good and the bad of both these gems. 1. Rarity. Fine quality rubies weighing more than one carat are extremely rare, whereas red garnets are found abundantly. 2. Composition. Ruby is the red variety of the mineral corundum (or aluminum oxide).
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garnet stone isolated A shiny red ruby gemstone on a white background Ruby gemstone isolated on white. Purple and red tourmaline gemstones, Closeup picture of natural purple, pink and red tourmaline gemstones on the white background. garnet garnet (almandine) Pyrope - gem stone. guaranteed authentic
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