12x6mm Natural Turquoise Gemstone Cabochon, Dyed, Dome Cabochon
Turquoise is a copper aluminium phosphate with a hardness of 6, i.e. considerably softer than quartz. In Nature, it occurs in the whole range of hues from sky blue to grey-green, and it is mostly found in places where there is a high concentration of copper in the soil. However, turquoise is only really turquoise in the very best quality.
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Turquoise is a prime example of an opaque colored stone that can be marketed both as a gem for jewelry and as an ornamental material. The Abdurreza turquoise mine lies in a dry, remote area of Iran.
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The turquoise gemstone is a unique opaque gemstone with a blue to green color. It is common for a real turquoise gemstone to contain brown veins. The smoother and more solid-colored turquoise gemstone is, the more expensive it is. These gemstones are popular and well-adored by many due to their intense blue turquoise hue.
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Color: Blue to green Refractive Index: 1.610 to 1.650 Birefringence: Not detectable Specific Gravity: 2.76 (+0.14, -0.36) Mohs Hardness: 5 to 6 Treatments There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. Learn More Synthetics
Turquoise is an opaque, bluetogreen mineral of Iranian origin, but it
From top to bottom, left to right: Classic Bisbee from Arizona, Classic Nevada Blue Gem, Carico Lake Lime Green, Brown Tortoise Turquoise, Super Highgrade Dry Creek, Dark Green Damale, Manassa Green from Colorado, Morenci blue from Arizona, Mint Green Tortoise From Nevada, Fox Aqua Blue Green Turquoise, Yellow Ivory Tortoise, Classic Natural.
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Refractive index: 1.590-1.650 Specific gravity: 2.40-2.90 Cleavage: None (massive) Now that we've touched base on its chemical properties, what does turquoise stone symbolize? Turquoise Stone Meaning The name turquoise stems from the 17th century through the French word turquois, or "Turkish."
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Tips & Advice 1. Buy from a jeweler you trust. Turquoise is commonly treated to improve its stability and color. If you are looking for turquoise that has not been treated in any way, make sure your jeweler has the gemological expertise and knowledge. 2. Protect turquoise from chemicals and cosmetics.
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906 more from shop Indian Turquoise Crystal Points - Mini 844 more from shop Turquoise 0.5 inch + Tumbled Stone T105 716 more from shop Rough Raw Turquoise Bead Drilled Turquoise. 615 more from shop Sleeping Beauty Turquoise Raw Gemstone Lot. 486 more from shop Turquoise 0.25 inch + Tumbled Stone T35 482 more from shop
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What is Turquoise? Turquoise is an opaque mineral that occurs in beautiful shades of blue, bluish green, green, and yellowish green. It has been treasured as a gemstone for thousands of years. Isolated from one another, the ancient people of Africa, Asia, South America and North America independently made turquoise one of their preferred materials for producing gemstones, inlay, and small.
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The English word "turquoise," now used as the name of a gemstone and color, originated in 13th-century France. It cones from the French word turquois for "Turkish." The people of Medieval Europe believed this gem came from what is now known as Turkey.
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Turquoise beads dating back to 5000 B.C. have been found in Iraq, and the Egyptians were mining the stones in the Sinai in 3200 B.C. [Simmons, 419] The death mask of Tutankhamun was studded with Turquoise, as were the mosaic masks dedicated to the gods, the fabulous inlaid skulls, shields and power statues of Moctezuma, the last ruler of the.
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Turquoise is an opaque colored stone that can be marketed both as a gem for jewelry & is found in only dry & barren regions on earth. Gem Encyclopedia.. Azure sky, robin's egg blue: Vivid shades of turquoise define the color that's named after this gem. Cabochon. This turquoise is cut in a cabochon: the most common shape. Robin's egg.
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Turquoise is an antique ornamental stone, highly regarded for its unique and striking namesake color. Valued in both the ancient Persian and Native American civilizations, it still retains its popularity today. Turquoise specimens are often polished or sliced for collectors, and may even be dyed. Turquoise is porous and has a naturally waxy.
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Photo: GIA The most valuable turquoise is an even medium blue, with no matrix and the ability to take a good polish. Turquoise Cut Turquoise is most often cut as a cabochon. The smoothly rounded dome shape sets off turquoise's color, texture, and any matrix beautifully.
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Characteristic Physical Properties Chemistry & Crystallography Common Name Turquoise Species Turquoise Turquoise Colors Blue Blue Green Turquoise Spectra TURQUOISE Color due to copper. The diagnostic lines due to copper in the deep blue to violet region are difficult to detect and have eluded many observers.