Price for the Cobalt Blue Spinel from Vietnam can reach many thousand dollars per carat. Cobalt Blue spinels from Luc Yen, Vietnam come in two types of blue. Light blue neon spinel is usually associated with the Luk-Yen field of mining in Vietnam. Blue Oval Spinel - Pala International Researchers Find World-Class Blue Spinel on Baffin Island in the ... Intense cobalt blue spinel from Sri Lanka! Spinel Cobalt in Marble. This marble has been intruded by granite and pegmatite dikes, it includes also layers of amphibolites. This is a Vietnamese bright red color ruby from Luc-yen mine. Spinel Cobalt in Marble. The gemstone mining industry in Vietnam has, however, been fairly stagnant. Trong số đó, hiếm lạ nhất là đá spinel xanh cobalt. 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. COBALT SPINEL ON ALBITE - VIETNAM - Blue Gems Out of the Blue | Blue Cobalt Spinel from Mahenge, Tanzania This study characterizes the origin and gemological properties of these spinels, especially the cause of their unusually bright color, which is directly related to their value. al., a natural Cobalt Spinel from Viet Nam with saturated blue color contained only 1236 parts per million cobalt (approx. COBALT SPINEL ON ALBITE - VIETNAM - Blue Gems There is only one known treatment for blue spinel called cobalt diffusion and we can easily detect it. Cobalt Spinel: most valued modern Blue Gem from the only ... - Yavorskyy Regular price. From: A Bijoux. The best pieces are an intense blue unique in the world of gems. (PDF) Blue Spinel from the Luc Yen District of Vietnam We deal in beautifully faceted and high-quality crystal specimens of Spinel from both Luc Yen, Vietnam and Mogok, Burma. Khe Khi, Luc Yen, Vietnam. $161 * . ICA Ambassador to Vietnam - International Colored Gemstone Association Feb 1, 2022. South sea pearl - Tahiti. They found that Baffin Island spinel contains up to 500 parts-per-million of cobalt, which gives it a vivid blue colour that is comparable to the best sources worldwide, found in Vietnam and the . Oct 10, 2021 - Vietnamese Cobalt Blue and Red Spinel Note: stones appear smaller and more well formed in person. Exquisite Natural Spinels From Burma, Vietnam And Tanzania Wonderful clarity. Cecile Raley Designs Blog- "cobalt spinel" COBALT SPINEL ON ALBITE - VIETNAM. 0.65ct neon electric cobalt spinel from Luc Yen Vietnam - YouTube 2.5ct Pear Shaped Cobalt Spinel - Ann Gems Spinel - Old Virginia Gem Co. Đá spinel xanh cobalt, viên đá quý chỉ có ở ... - Bazaar Vietnam Các mỏ đá quý khai thác spinel ở Việt Nam nằm tại Lục Yên (Yên Bái) và Quỳ Châu (Nghệ An). Finest electric blue cobalt spinel from Luc Yen district in Vietnam This is similar to cobalt-spinel materials from sources in Sri Lanka, Pakistan and Vietnam. Vietnam has long been a prime source for blue spinels . $140 . This is similar to cobalt-spinel materials from sources in Sri Lanka, Pakistan and Vietnam. Synthetic spinel . Unheated Vietnamese Spinel 0.65 (PBS065) Ceylon Spinel Cobalt Blue Spinel Vietnam Spinel Tanzanite Topaz Blue Topaz Imperial Topaz Pink Topaz Precision Cut Topaz Tourmaline Zircon Rare Gems Gemstones Parcels Rough and Specimens Jewelry News Account . Susan. Similar inclusion . Spinel — Thai Lanka Trading | Wholesale Gemstones . COBALT SPINEL 1.20 Cts 20072 - NATURAL SRI LANKA LOOSE GEMSTONE. More than met my expectations. The thirteen-carat Blue Splendor is an unprecedented treasure. 5.00 Ct Blue Cobalt Spinel || Luc Yen, Vietnam. Pearls. Stockton, 1984; Delaunay, 2008 . We obtained this piece on a recent visit to Vietnam, and this was the largest specimen on quality we saw there, decent sized specimen are just not often found. Violet and bluish purple to purple, or lavender, stones tend to be less attractive, and less in demand than other, rarer colors. Black spinel . 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. Vietnam cobalt spinel cut stones for sale. | PriceScope The lustrous (not seen clearly in the pics) crystals on this . Like all stones, visible inclusions will make the price of the stone drop. fwiw - my cobalt spinel was $600 (under 1/4 carat). Either can be great or lousy, but as a rule, Cobalt-Spinels are more costly. From . (Ceylon). Description 7.8ct Vietnam Octahedral Spinel Cobalt Rough Specimen Crystal, Healing Crystal One of a kind Spinel Cobalt Vietnam, Its really rare for this stone with this kind of shape. $145 * 26mm x 14mm x 6mm. According to information from reliable sources, the source of the new find is a deposit located about 20 kilometers south-east of Mahenge, […] "There's considerable interest in cobalt-blue spinel for gems and jewelry," said Belley. BLUE SPLENDOR: watch the story of the BIGGEST COBALT BLUE SPINEL SSEF conducts analysis of cobalt-blue spinel from a newly reported ... The Luc Yen district of northern Vietnam is a very productive gem province and the leading source of vivid blue spinel. Under the immersion microscope, a blue rim was noticed that was seen following the outline of the cut stone (Fig. We would recommend that you send the rough abroad for cutting or to sell the rough as is. Gem spinel is also found in Vietnam, the Pamir mountains of Tajikistan, Tanzania and Madagascar. 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. "Exploration for coloured gemstones is generally difficult due to challenging terrain or thick vegetation in major gem-producing areas like the . It is found in a single mine in Vietnam and is one of the few gems that occur naturally. info@palagems.com +1 800-854-1598 toll-free +1 760-728-9121 toll-free The product picture is approximately the same magnification as a view trough the 10x loupe. Weight is 2.25ct Size is 8x7.3x6mm This material is too small for us as we deal in high end, center gemstones. Posted: Sun Apr 30, 2017 10:12 am . Regular price $185.00 Sale price $185.00 Regular price. If it is a blue cobalt spinel without gray tone compared with the same level of color, the difference in value may reach 10-100 times! Famous for the rare Cobalt Blue Spinel. $ 405.00. $145 * 24mm x 12mm x 2mm. COBALT SPINEL GROUP ON MATRIX - Blue Gems The amount of. Vintage from before 1700 Materials: Gemstone, Crystal, Natural Gemstone, Pink Spinel, Red Spinel Description 2.25ct Vietnam Spinel Cobalt Rough Specimen Crystal, Healing Crystal Here is another Rare Cobalt Spinel with 2.25ct in weight raw - Natural - Untreated . A MYRIAD OF COLORS - SPINEL & FANCY SAPPHIRE - Omi Gems B lue spinels are mined in Sri Lanka, Tanzania, Myanm ar, Pa kistan, and Vietna m (Shi gley a nd. Purple Gem Spinel from Vietnam and Afghanistan: Comparison of Trace ... About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Beautiful gray spinel. Other coveted colours are the electric cobalt blue (probably the rarest) mainly found in Vietnam and Sri Lanka, the highly fluorescent 'man-sin' spinel from Burma (Jedi spinel), hot pink 'Mahenge spinels' from Tanzania. 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 is rarely treated or heated. 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. GemologyOnline.com • View topic - cobalt spinel Spinel - gemstock.org Pala International. Spinel Color and Magnetism, Blue Spinel and Cobalt Spinel South sea pearl - Australia. Each spinel brought to the laboratory is analysed and identified so that the related report can be drawn up. Mogok, Myanmar. Burmese red spinel 3.37 ct. $19,500 / $5,786per ct. Out of stock. From: A Bijoux. Blue Cobalt Spinel || Luc Yen, Vietnam.Mixed lot of Cobalt Blue Spinel, some with distinct crystallisation. Spinel Colors - The Art of Brilliance | Journal minfind.com - Spinel specimens from mineral dealers Any well-cut gem above one carat and especially two carats is collectible and exclusive. But supply is an issue, and even production from the most significant source, Vietnam, is limited and sporadic. Luc Yen Cobalt spinel - The most pure blue gem in the world Our stones have n 35mm x 35mm x 25mm. . Marlow Post subject: Re: Luc Yen cobalt blue spinel. Khe Khi, Luc Yen, Vietnam. Sutra Gems - Cobalt Blue spinels from Luc Yen, Vietnam... | Facebook From their electric hues, multi-generational gemstone supplier Rimsan did suspect that these crystals might be the extremely rare and coveted Cobalt Spinel rather than standard Blue Spinel. Vietnam, is limited and sporadic. 2015) . Spinel - Wikipedia