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  1. Hubei Turquoise 2mm Blue/Matrix/Green/Brown Round Faceted Banded - 15-16 Inch. From the Hubei province in Northern China. Dakota Stone Chinese Turquoise comes from two of the finest mines in the Hubei province.

  2. Hubei turquoise spans the range of the color spectrum from deep greens to dark blues and even yellow. But, the best of the bunch, and the most sought after by collectors is dark blue with intricate spider-webbing. Here is Ricky to talk more about the exquisite Hubei Turquoise from Dakota Stones!

  3. Mar 16, 2024 · Several factors influence the value of Hubei turquoise, including: Color: The vibrancy and intensity of the blue color are crucial determinants of value. Brighter and more saturated hues command higher prices.

    • Turquoise History
    • What Is Turquoise?
    • What Color Is Turquoise?
    • Does Turquoise Make A Good Jewelry Stone?
    • Do Turquoise Matrix Patterns Affect Durability?
    • Identifying Turquoise
    • Are There Synthetic Turquoises?
    • Turquoise Lookalikes
    • Are Turquoises Enhanced?
    • Where Are Turquoises Found?

    Turquoise has withstood the vicissitudes of fashion as well as the passage of millennia. As early as 3,000 BCE, the Ancient Egyptians mined and worked turquoise into jewelry and ceremonial objects. Later, the Chinese and Ancient American cultures did the same. Persia (Iran) introduced Medieval Europe to this stone. Turquoise has inspired many legen...

    Chemically, turquoise is a hydrated copper/aluminum phosphate of aggregate, cryptocrystalline structure. Only one deposit is known to produce transparent to translucent crystals: Lynch Station, Virginia. (Specimens from this locale are rare and bring a hefty price from collectors). More typically, this stone occurs as an opaque deposit in nodules, ...

    Colors range from shades of blue to blue-green to yellowish green depending on the elements present. Copper forms part of a turquoise's chemical structure and adds blue color. However, traces of chromium and vanadium add green. Iron traces adds yellow. There are also rare specimens of blue-violet color that contain strontium impurities. In general,...

    Although turquoises do have some physical limitations as jewelry stones, with proper cutting, treatment, and care, they can make wonderful additions to your collection. Turquoises are relatively fragile, porous, and susceptible to heat and/or chemical damage. Stones average 18-20% water content. When heated, from an unwary jeweler's torch, for exam...

    Most turquoise rough contains matrix— patches or veins of the host rock in which it formed, such as chalcedony, opal, brown limonite, black chert, or white kaolinite. Lapidaries often cut this brownish or black matrix along with the stone to provide color contrast and patterns. This matrix can affect the color, toughness, and workability of the sto...

    Turquoise can have a distinctive absorption spectrum, with lines at 4600 (vague) and 4320. These are usually seen in light reflected from the stone's surface. The specific gravity(SG) of stones from different sources varies. While there is some overlap, some of the measurements at the extreme ends can help identify sources. 1. Iran:2.75-2.85 2. Uni...

    Synthetic turquoise is available, with or without matrix. The Pierre Gilson Company created the most well-known type in 1972. It can resemble the finest Persian grade stone, but a microscope will reveal the difference. Natural stones have a smooth surface. Under magnification, the synthetics display a mix of tiny blue spheres in a light-colored hos...

    There are many turquoise simulants on the market. Non-mineral imitations include plastics, ceramics, and glassand can appear very realistic. Keep in mind that the color "turquoise" is very popular. Objects sold as "turquoise beads" or "turquoise jewelry" may not actually contain turquoises, only turquoise-colored material. Ask vendors questions and...

    Most turquoise gemstones on the market today have received some type of treatmentor enhancement. Pale specimens commonly receive extensive treatments to improve their color. Fine grained and compact material that will take a good polish is rare. Skin oils and cosmetic residues can easily darken the color of turquoise gems. Even top grade, otherwise...

    Turquoise usually occurs in arid regions, where ground water percolates through aluminous rock in the vicinity of copper deposits. Like azurite, malachite, and opal, it's a secondary mineral that forms through the interaction of pre-existing minerals and their solutions. The majority of today's commerce in turquoise comes primarily from North Ameri...

  4. www.etsy.com › market › hubei_turquoiseHubei Turquoise - Etsy

    Check out our hubei turquoise selection for the very best in unique or custom, handmade pieces from our gemstones shops.

  5. May 16, 2024 · Hubei turquoise is celebrated for its distinct shades of blue and green, ranging from sky blue to deep green, often adorned with intricate veins and matrix patterns. This striking color palette is a result of its mineral composition, primarily consisting of hydrated copper aluminum phosphate.

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  7. Jul 9, 2021 · Zhushan County in China’s Hubei Province is the world’s most abundant source of commercial gem-grade turquoise (F. Xu, “Study on turquoise in Shiyan City, Hubei Province,” Shanghai Art & Crafts, No. 3, 2017, pp. 30–32).

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