. TOP 15 best spinel jewelry - Mahenge, Kuhilal, Jedi or cobalt spinel Any well-cut gem above one carat and especially two carats is . All That Glitters - Vietnamese Spinel Rough 307a) and this suggested a diffusion-treatment. Any well-cut gem above one carat and especially two carats is collectible and exclusive. Price for the Cobalt Blue Spinel from Vietnam can reach many thousand dollars per carat. BLUE SPLENDOR: watch the story of the BIGGEST COBALT BLUE SPINEL Khe Khi, Luc Yen, Vietnam. (BASEL, Switzerland) - For several months a supply of blue cobalt-bearing spinel has been appearing in the gem trade, including some stones of remarkable size - up to 40 carats - and quality. Spinel. minfind.com - Spinel specimens from mineral dealers Vibrant cobalt-blue spinel from Vietnam has a Fe/Co ratio of 10, 1236 lg/g Co, 2500 lg/g Ni,~1100 lg/g Cr, and~1000 lg/g Zn (Chauviré et al. How to choose spinel: varieties, cutting, clarity - Gemlovers Exquisite Natural Spinels From Burma, Vietnam And Tanzania Purple Gem Spinel from Vietnam and Afghanistan: Comparison of Trace ... Sale Sold out. Khe Khi, Luc Yen, Vietnam. The material discovered was a medium-light to medium-dark vivid blue, unlike the grayish blue spinel more commonly seen. Rubies as well as spinels were first discovered in Vietnam in early 1990s and since then, they have been seen in the world market, though sporadic in nature. Price for the Cobalt Blue Spinel from Vietnam can reach many thousand dollars per carat. Trong số đó, hiếm lạ nhất là đá spinel xanh cobalt. Spinel - Laboratoire Français Gemmologie Beautiful gray spinel. Top . ICA Ambassador to Vietnam - International Colored Gemstone Association This is similar to cobalt-spinel materials from sources in Sri Lanka, Pakistan and Vietnam. Spinel - Old Virginia Gem Co. Sutra Gems - Cobalt Blue spinels from Luc Yen, Vietnam... | Facebook COBALT SPINEL ON ALBITE - VIETNAM - Blue Gems In general, red spinel is the most desirable, followed by fine cobalt- blue spinel, then by vibrant hot pink and vivid orange stones. . Many of them are Transparent with minimal inclusions. A MYRIAD OF COLORS - SPINEL & FANCY SAPPHIRE - Omi Gems 2.5ct Pear Shaped Cobalt Spinel - Ann Gems Intense cobalt blue spinel from Sri Lanka! Wonderful clarity. info@palagems.com +1 800-854-1598 toll-free +1 760-728-9121 toll-free While today a few colors of Spinel are most widely sought after, such as 'cobalt blue', ''jedi' or 'Man Sin' pink, we find beauty in all the unique hues of Spinel. Cobalt spinel. COBALT SPINEL ON ALBITE - VIETNAM - Blue Gems PLATINUM BLUE SPINEL 1.41CTS MOGOK LOOSE GEM STONE. We would like to sell this as an entire parcel. In addition to red, pink, orange and blue, spinel is found in a myriad of other colors. I am wanting a cut stone, even though I only collect cut stones once in a blue moon now, ever since I quit faceting. In the 2015 study by Boris Chauvire et. Gems from Vietnam have gained a lot of popularity lately, in particular, with cobalt spinel but also the somewhat lesser known lavender and pink varieties. 5.00 Ct Blue Cobalt Spinel || Luc Yen, Vietnam. 12. Cobalt Neon Blue Spinel 0.26 ct $1,800.00 Cobalt Neon Blue Spinel 0.09 ct $390.00 Cobalt Neon Blue Spinel 0.09 ct $260.00 Cobalt Neon Blue Spinel 0.09 ct $390.00 ← 1 2 → The unique Cobalt Blue Spinel from the legendary Luc Yen mine in Vietnam. Red Spinel is equal to ruby in many respects , Spinel contains fewer inclusions than a ruby and has greater fire and brilliance. Pleasure doing business with. According to information from reliable sources, the source of the new find is a deposit located about 20 kilometers south-east of Mahenge, […] Cobalt Spinel in Marble from Khe Khi, Luc Yen, Yên Bái Province, Vietnam Comes with certificate of authenticity Average Weight (Carats): 23.0 ct Dimension (mm): 20 x 18 x 13 mm Ref. 0.16% cobalt oxide), which would likely be high enough to create a weak magnetic response and perhaps contribute some portion to measurable magnetic susceptibility. Variety : SpinelColour : purplish Blue Cut : Pear Carat Weight : 2.5ct Measurement : 7.43x12.05x4.2mm Origin : Luc Yen, Vietnam Treatment : none Certificate : Natural blue cobalt spinel has the same three bands but may also include a further two bands in the blue part of the spectrum. Black spinel . The leading source of cobalt-blue spinel is Vietnam's Luc Yen District, known for its vibrant blue material, though those stones tend to be small. A friend helped me buy it wholesale awhile ago and before that, I never dreamed of owning one. COBALT BLUE SPINEL 1.20CTS MOGOK LOOSE GEM STONE | eBay But export from Vietnam is still mainly achieved by direct export, that is, by taking the gems or the gemstone rough across the border in person, i.e. Rare Cobalt Blue Spinel - Amara Gemstones AU Pair of Vietnamese spinels 2.41 ct. . The blue spinel is a rich blue cobalt hue that competes with some of the best sabers you'll ever see. In general, the market demand for violet and blue-violet to purple or violet spinel is often lower than that of other rare colors. Origin of rare cobalt-blue spinel unearthed in Canadian Arctic $ 405.00. . SSEF conducts analysis of cobalt-blue spinel Light blue neon spinel is usually associated with the Luk-Yen field of mining in Vietnam. minfind.com - Spinel specimens from mineral dealers Myanmar, Pakistan, and Vietnam. We would recommend that you send the rough abroad for cutting or to sell the rough as is. Finest electric blue cobalt spinel from Luc Yen district in Vietnam Either can be great or lousy, but as a rule, Cobalt-Spinels are more costly. Intense cobalt blue spinel from Sri Lanka! These rare, vibrant cobalt blue spinel were sourced directly from the gemstone markets in Luc Yen, Vietnam. How much is spinel worth? - Wazeesupperclub.com But if not you should get a around 1 ct cobalt spinel, which is very rare and expensive as the prices are . Cobalt Blue Spinels And Neon Pink Spinels From Vietnam Vietnam VIETNAM While knowledge of gem deposits in Vietnam may have existed among intrepid traders and travellers, due to long, arduous decades of severe conflict, Vietnam only surfaced as an essential source for precious stones in the late eighties. Pin on Products Red Spinel Rough Stone from VIETNAM - GemLuck From: A Bijoux. Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula . Conch. . COBALT SPINEL GROUP ON MATRIX - Blue Gems 3 Clarity, cut and carat pricing. Spinel's recent rise in notoriety was also aided by the discovery of cobalt spinel in Yên Bái Province, North Vietnam at nearly the same time as pink spinels of the Mahenge region. More than met my expectations. Long mined in Sri Lanka, Afghanistan, Myanmar, Vietnam, and Thailand, spinel garnered deep appreciation for its beauty, even winning a treasured place in a number of crown jewels. Free shipping Free shipping Free shipping. The lustrous (not seen clearly in the pics) crystals on this . The thirteen-carat Blue Splendor is an unprecedented treasure. Synthetic cobalt coloured spinel has three absorbtion bands in the red/orange, the yellow/green and the mind green parts of the spectroscope. Pink spinel from Vietnam 2.26 ct. $1,700 / $752per ct. Out of stock. Shop a collection of expertly vetted gems from some of the world's top sellers on 1stDibs. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . $ 405.00. A MYRIAD OF COLORS - SPINEL & FANCY SAPPHIRE - Omi Privé fwiw - my cobalt spinel was $600 (under 1/4 carat). If you would like to see an unedited video of these crystals prior to … The pure blue coloration of spinel is caused by small additions of cobalt. A fine and well defined group of crystals (for the location, or anywhere for that matter) electric blue cobalt , with cobalt as the coloring agent. Burmese red spinel 3.37 ct. $19,500 / $5,786per ct. Out of stock. It is found in a single mine in Vietnam and is one of the few gems that occur naturally. Pearls. Each spinel brought to the laboratory is analysed and identified so that the related report can be drawn up. Out of the Blue | Blue Cobalt Spinel from Mahenge, Tanzania Blue Oval Spinel - Pala International Spinel Colors - The Art of Brilliance | Journal 1.5+ct top color cobalt spinel from Luc Yen district in Vietnam Unit price / per . Indeed, thanks to the diamond luster, hardness of 8 points, and excellent transparency, spinel jewelry looks very impressive. From: A Bijoux. Regular price. Mỏ đá Việt Nam nổi tiếng thế giới là nơi khai thác nên nhiều màu sắc hiếm và độ chiếu sáng của spinel. $120.00. Verified. For sale is a small but exquisite group of cobalt spinel on matrix from Vietnam. Akoya pearl - Japan. The Luc Yen district of northern Vietnam is a very productive gem province and the leading source of vivid blue spinel. Synthetic spinel Synthetic spinel can . Spinel - Wikipedia Natural blue cobalt spinel is reporetedly very rare (though there does seem . (Ceylon). Khe Khi, Luc Yen, Vietnam. Color is Blue Cobalt . This 0.65 is cobalt-blue spinel, this is true Cobalt-Spinel. . If color is truly king in the gem world, then these cobalt spinels from Vietnam, the low-no tone/high sat. The cobalt blue spinel Local gemstones are mined mainly from An Phu Formation - a nice, white marble which formed in the Upper Proterozoic and Lower Cambrian. New York earrings with cobalt blue spinel and red Burmese spinel, diamonds, white gold. Spinel is by far the most sought after gemstone in the 21st century due to their brilliance and rarity in spinel colors found around the world. Cobalt blue spinel is . Such "cobalt" blue spinels are highly sought after by collectors. al., a natural Cobalt Spinel from Viet Nam with saturated blue color contained only 1236 parts per million cobalt (approx. Mogok, Myanmar. Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. Vietnam has long been a prime source for blue spinels . From: A Bijoux. Cobalt Spinel - Home - Facebook Beside the crazy color, you can find all the incredible beauty factors in a fine cobalt spinel such as brilliance, vibrancy, sparkle, high hardness, super high rarity; that make Vietnam Cobalt spinel become the most extraodinary blue gem in the world. Interestingly, reported SSEF, cobalt-blue spinel from the source in Tanzania contains quite characteristic inclusion features, such as oriented geometric lamellae with interference colours, together with lines of fine particles. The researchers noted that even small spinel crystals with good transparency and fine cobalt-blue color can sell for about 10 times the price of comparable sapphires. Stockton, 1984; Delaunay, 2008 . by airplane from Hanoi to Bangkok. Khe Khi, Luc Yen, Vietnam. Cobalt Spinel - 0,35 ct - GemStore24 | GemStones and Services The thick vegetation or challenging terrain in traditional gem-rich areas like Vietnam or the Himalayas can make exploring for these valuable minerals highly demanding . Spinel Cobalt in Marble. In 2018 bright blue spinels have been reported also in the southern part of Baffin Island (Canada). Regular price. Show more. Susan. The product picture is approximately the same magnification as a view trough the 10x loupe. Natural Blue Spinel MaeSai,Thailand. SSEF conducts analysis of cobalt-blue spinel from a newly reported ... Melo. Currently, we have the following Vietnamese Spinel available: 296 grams of the rough pictured below is available. Vietnam, is limited and sporadic. Khe Khi, Luc Yen, Vietnam. We deal in beautifully faceted and high-quality crystal specimens of Spinel from both Luc Yen, Vietnam and Mogok, Burma. Đá Spinel xanh Cobalt. Viên đá quý hiếm chỉ có ở Việt Nam It is found in a single mine in Vietnam and is one of the. Spinel Color and Magnetism, Blue Spinel and Cobalt Spinel Màu xanh tươi rực rỡ và trong vắt, chỉ có thể tìm thấy tại mỏ đá ở Lục Yên, thuộc tỉnh Yên Bái, Việt Nam. Like all stones, visible inclusions will make the price of the stone drop.