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The real gemstone is of course much smaller. 305134mm. Cobalt Spinel in Marble from Khe Khi, Luc Yen, Yn Bi Province, Vietnam Comes with certificate of authenticity Average Weight (Carats): 3.1 ct Dimension (mm): 18 x 8 x 3 mm Ref. I am wanting a cut stone, even though I only collect cut stones once in a blue moon now, ever since I quit faceting. Natural blue cobalt spinel has the same three bands but may also include a further two bands in the blue part of the spectrum. Vietnam. That is a notable stone and something that will end up at auction at some point. (most blue spinels are colored by iron which are usually a low satulation color). This is a Vietnamese bright red color ruby from Luc-yen mine. Interestingly, reported SSEF, cobalt-blue spinel from the source in Tanzania contains quite characteristic inclusion features, such as oriented geometric lamellae with interference colours (Figure 2), together with lines of fine particles. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received. Susan. In 2018 bright blue spinels have been reported also in the southern part of Baffin Island (Canada). 227) mit dem Gitterparameter a = 8,09 sowie acht Formeleinheiten pro Elementarzelle.. Modifikationen und Varietten. Tng t nh sapphire, spinel c mu nh trong vt, hng, , cam, xanh, tm v en. Khe Khi, Luc Yen, Vietnam. Synthetic red spinel exhibits strong purplish to orange-red under ultra violet longwave. Gem spinel is also found in Vietnam, the Pamir mountains of Tajikistan, Tanzania and Madagascar. We would like to sell this as an entire parcel. These products are the most vibrant and sought-after Spinel gemstones. or Best Offer. Tubi offers streaming featured movies and tv you will love. But supply is an issue, and even production from the most significant source, Vietnam, is limited and sporadic. Over the last decades gem quality spinels are found in the marbles of Lc Yn District ( Vietnam ), Mahenge and Matombo ( Tanzania ), Tsavo ( Kenya) and in the gravels of Tunduru ( Tanzania) and Ilakaka ( Madagascar ). The gemstone mining industry in Vietnam has, however, been fairly stagnant. Live Auction Finest and Rarest Wines and Spirits: Featuring Generations of Jayer, Burgundy from the Historic Cellars of King's College, Cambridge These can also be found in Tanzania and Sri Lanka. 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. These smurf-blue deposits owe their rare coloration to cobalt that joined the minerals as the gemstone was forming. White Pine Mine, Ontonagan County, Michigan, United States. Get the best deals on Vietnam Spinel Loose Gemstones when you shop the largest online selection at eBay.com. It is most often faceted in oval, cushion and pear shapes and is mostly small calibrated sizes due to its rarity. Synthetic cobalt blue spinel: strong bands centered at 540nm, 570nm and 630nm. Shop a collection of expertly vetted gems from some of the worlds top sellers on 1stDibs. Spinel Cobalt in Marble. Color is Blue Cobalt . One Cr-rich outlier (1111 ppma Cr and 1236 ppma Co; Chauvir et al., 2015) reported from Vietnam is vivid blue in color with no visible reddish or purplish hues, indicating info@palagems.com +1 800-854-1598 toll-free +1 760-728-9121 toll-free According to information from reliable sources, the source of the new find is a deposit located about 20 kilometers south-east of Mahenge, [] By ICA Ambassador to Vietnam, Le Yen, HAGIA Gemstone Gold Pearl Ltd., April 2018. This item ships free to the US. 2.2ct Vietnam Spinel Cobalt Rough Specimen Crystal, Healing Crystal Here is Nice Rare Cobalt Spinel with 2.2ct in weight raw - Natural - Untreated . Melo. 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. It is a fine grade Spinel with low iron content. Die Stchiometrie der chemischen Formel ist jedoch in weiten Grenzen variabel, das heit Magnesium oder Aluminium Synthetic Spinel and Immortal. From: Marin Minerals. Vietnam is also home to the valuable cobalt blue spinel. USD $ 165.00. Treatment: None. An Phu Mine, Lc Yn District, Yn Bi Province, Vietnam. Cobalt blue mainly originates in Vietnam and Sri Lanka. Handshots show 'Medium Dark 80' best in relation to skin color; not a funny little sparkler but a dense hue between ultramarine and, well, cobalt blue. Luc Yen mine in Vietnam is the only place on the globe producing this mind-blowing treasure. Please remember our prices are in rapidly depreciating Australian dollars. Next, we consider features of each color type of spinel: Light blue neon spinel is usually associated with the Luk-Yen field of mining in Vietnam. Khe Khi, Luc Yen, Vietnam. Akoya pearl - Japan. These are reference stones I use when sourcing for this material in cut or rough form and are amongst the finest colours to the best of my knowledge. Burmese red spinel 3.37 ct. $19,500 / $5,786per ct. Out of stock. More than met my expectations. Two spinel occurrences near Kimmirut contain vivid blue, cobalt-enriched (0.03-0.07 wt.% CoO) spinel. SPONSORED. Spinel (/ s p n l, s p n. l Mahenge plateau (Tanzania), Lc Yn District (Vietnam) and some more localities. Local gemstones are mined mainly from An Phu Formation a nice, white Spinels stones are known to be found in the Mogok Stone Track area, Myanmar. We would recommend that you send the rough abroad for cutting or to sell the rough as is. Inclusions Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. Pearls. Color is Blue Cobalt . $257 * 17mm x 9mm x 8mm. Spinels main sources include Burma (Mogok), Madagascar, Sri Lanka, Tajikistan, Tanzania, and Vietnam. New New New. The most high-quality cobalt spinel is currently produced in Vietnam. We are a leading global manufacturer of Cobalt Titanate Green Spinel (PG50), a green pigment that is opaque to visible light with moderate NIR reflectance ("cool" pigment). Cobalt Blue - Vietnam: 0.8 - 3.0: $2000 - $8000: Small spinel crystal on top of a white calcite from Mogok, Myanmar, measuring 1.5 1.1 1 cm in size. The right is known as the 'old mine' blue while the left is a more recent 'new mine' blue. Cobalt-enriched spinel, generally vivid blue in color, typically contains low Cr concentrations (60 ppma; Hanser, 2013; Chauvir et al., 2015; Kuksa et al., 2019), with two outliers known from Vietnam. Beautiful gray spinel. The right is known as the 'old mine' blue while the left is a more recent 'new mine' blue. Found in a Nunavut, Canada. $290 * Spinel Cobalt in Marble. South sea pearl - Philippines. South sea pearl - Tahiti. Cushion. Weight is 2.2ct Size is 7.1x6.7x5mm Origin: Vietnam , But supply is an issue, and even production from the most significant source, Vietnam, is limited and sporadic. Communities in Manitoba. Mu xanh ti rc r v trong vt, ch c th tm thy ti m Lc Yn, thuc tnh Yn Bi, Vit Nam. Natural, deep blue cobalt so rare Spinel sont sur eBay Comparez les prix et les spcificits des produits neufs et d'occasion Pleins d'articles en livraison gratuite! We travelled 6hrs by bus from Hanoi to this region specifically to find these stones which are mined nearby. Vintage & Antique Jewelry, Jewelry & Watches. $ 405.00. Origin: BURMA. Occurrence. Spinel is found as a metamorphic mineral, and also as a primary mineral in rare mafic igneous rocks; in these igneous rocks, the magmas are relatively deficient in alkalis relative to aluminium, and aluminium oxide may form as the mineral corundum or may combine with magnesia to form spinel. 0.85 CTS_EXCELLENT LUSTURE_100% NATURAL COBALT BLUE SPINEL FROM SRILANKA MINE!! 12. Gem Type: BLUE SPINEL. 0.75Ct UNHEATED COBALT BLUE SPINEL GEMSTONE FROM BURMA. of and in " a to was is ) ( for as on by he with 's that at from his it an were are which this also be has or : had first one their its new after but who not they have Other locations include Sri Lanka, Vietnam (known for producing cobalt blue Spinel), Cambodia, and Thailand. Spinel is mined in Myanmar, Vietnam, Tajikistan, Tanzania, Sri Lanka and Madagascar. Spinels owe their colour, mainly red, pink, purple or blue, to different elements: chromium, iron or cobalt. It is all about its extremely limited production, size range and availability, and its otherworldly natural untreated color above all. Please remember our prices are in rapidly depreciating Australian dollars. Vietnam - the country known to produce some extremely fine qualities of rubies, sapphires, spinels, peridot, aquamarine, topaz, etc; it is gifted with some 70 gem deposits and 160 different occurrences (Huong et al, 2012). $145 * 20mm x 18mm x 13mm. Our stones have n These rare, vibrant cobalt blue spinel were sourced directly from the gemstone markets in Luc Yen, Vietnam. Spinel (/ s p n l, s p n l / Mahenge plateau (Tanzania), Lc Yn District (Vietnam) and some more localities. 55mm x 40mm x 30mm. by Dr. M.S. Cab-Grade & Specimen Cobalt Blue Spinel Rough (Lc Yn, Vietnam) Free shipping Free shipping Free shipping. The intense pinks and reds are caused by traces of chromium, the same element that gives rubies their color. Trong s , him l nht l spinel xanh cobalt. Color: COBALT BLUE. Present gem production includes ruby, sapphire, spinel, tourmaline, peridot, garnet, A limestone plateau famed for producing fine Spinel, the gemstone deposits near the town of Mahenge were first discovered in 1989. ! In 2018 bright blue spinels have been reported also in the southern part of Baffin Island (Canada). Saltwater pearls. Add to cart. The pure blue coloration of spinel is caused by small additions of cobalt. Nigerian blue gahnite also has bands at 700 and 570 like those seen in spinel. $300. Pigment Blue 28 (C.I. Variety : SpinelColour : purplish Blue Cut : Pear Carat Weight : 2.5ct Measurement : 7.43x12.05x4.2mm Origin : Luc Yen, Vietnam Treatment : none Certificate : Spinel has been mistaken for ruby and sapphire in many royal jewel collections and is going up in price rapidly especially in Red, Pink and the rarest color, blue. Les meilleures offres pour VS 1.13ct (6.8x4.9x4.2)mm. 2.2ct Vietnam Spinel Cobalt Rough Specimen Crystal, Healing Crystal Here is Nice Rare Cobalt Spinel with 2.2ct in weight raw - Natural - Untreated . Either can be great or lousy, but as a rule, Cobalt-Spinels are more costly. Red spinel can rival fine ruby. One of the most famous spinels in the world is the Black Princes Ruby, the 170-carat gem that adorns the U.K.s Imperial Crown. And the Timur Ruby, also part of the British crown jewels, is actually a 361-carat polished red spinel. Verified. The spinel mostly occurs in metasedimentary (sensu stricto) rocks, with the exception of a Unfortunately Luc Yen produces only little stones in this color - a 0,25 ct would be large. Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. We obtained this specimen on a recent visit to Vietnam, and believe me cobalt spinel pieces very few and far between, and expensive, this one has top color, electric blue crystals, and they are gemmy! Gorgeous spinel gems in black, Cobalt, and lavender are also found in these countries. Pink spinel from Vietnam 2.26 ct. $1,700 / $752per ct. Out of stock. Palissade Pierre Bleue, Centre Ophtalmologique Oculus Albertville, Huile De Baobab claircissant, Sujet Bac Ga E2 2015, Cobalt Spinel Vietnam, Salaire Copilote Easyjet, Patate Douce Farcie Au Thon, Concours Meilleur Ouvrier De France Boulangerie, Swat Hondo And Nichelle, Exemple De Question Problmatise, From: A Bijoux. 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. Reiner Spinell ist farblos. . The most important Spinel deposits occur in Tanzania, Tajikistan, and Burma. Natural Blue Cobalt Spinel is normally plucked from Tunduru in Tanzania or Vietnam (a most significant but ungenerous source). SAPPHIRE ROUGH FACET GEM GEMSTONE BLUE SRI LANKA GENUINE NATURAL UNCUT NICE 2 CT. $14.95 + $5.95 shipping + $5.95 shipping + $5.95 shipping. In addition to Burma, now known as Myanmar, spinel is mined in Sri Lanka, Tanzania, Tajikistan and Vietnam. The pure blue coloration of spinel is caused by small additions of cobalt. $145 * 24mm x 12mm x 2mm. It is found in a single mine in Vietnam and is one of the few gems that occur naturally. General; Category: Oxide minerals; Spinel group; Spinel structural group; Formula (repeating unit) MgAl 2 O 4: Strunz classification: 4.BB.05: Crystal system: Cubic: Crystal class: Hextetrahedral (4 3m) HM symbol: (4 3m) South sea pearl - Australia. Melo. Natural Spinel Stone Meaning. There was also some discoveries in Vietnam, but the Vietnam material tended to be more red, orange, very similar to the material you'd see out of Mogok. Conch. all the way from Baffin Island, in the Canadian Arctic Archipelago. The karst mountains of An Ph, near Luc Yen in Vietnam, is the world's only source of that very From: A Bijoux. Cobalt Spinel. Post subject: Re: Luc Yen cobalt blue spinel. South sea pearl - Australia. Sri Lanka, Tanzania, Thailand (usually black). Web However, its color was more similar to a dark natural Cobalt-spinel from the origin of Sri Lanka, unlike Cobalt spinel from Vietnam or synthetic counterparts. The best blue spinel is "cobalt blue." Weight is 2.2ct Size is 7.1x6.7x5mm Origin: Vietnam , Pink spinel from Vietnam 2.26 ct. $1,700 / $752per ct. Out of stock. B lue spinels are mined in Sri Lanka, Tanzania, Myanm ar, Pa kistan, and Vietna m (Shi gley a nd. Sri Lanka. Indeed, thanks to the diamond luster, hardness of 8 points, and excellent transparency, spinel jewelry looks very impressive. Our high performance inorganic color pigments are custom formulations that outperform others in opacity, ease of dispersion, high heat fastness, light, weather and chemical resistance with no Ideal for jewelry making, wire wrapping, or add it to your collection. Skip to content. empress Post subject: Posted: Sat Oct 13, 2007 10:49 pm . The biggest similarity with genuine spinel has such stones as: red and especially blue spinel, looking like cobalt spinel from Sri Lanka. Better than the photo. Three multi-investigator groups that operate principally in the TB/HIV space: The South African TB Vaccine Initiative (SATVI), which includes Mark Hatherill (Director), Tom Scriba (Deputy Director) and Elisa Nemes; The Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa) which includes Robert Wilkinson (Director), Graeme Meintjes, Catherine Riou and Anna Coussens 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. Check Cobalt Spinel price at Yavorskyy. 1.5+ct top color cobalt spinel from Luc Yen district in Vietnam Spinel is mined in Myanmar, Vietnam, Tajikistan, Tanzania, Sri Lanka and Madagascar. For sale is a group of cobalt spinel on albite, from Ah Phu, Loc Yen, Vietnam. This oxide mineral is a Cubic crystal system with 7.58.0 hardness according to the Mohs hardness scale. Ferro is a leading global manufacturer and supplier of inorganic color pigments. Browse Christie's upcoming auctions, exhibitions and events. 7.40 ct BEST GRADE - AAA NEON PINK - NATURAL SPINEL - Round 3.5mm Lot 44pcs . Cobalt Blue spinels from Luc Yen, Vietnam come in two types of blue. If color is truly king in the gem world, then these cobalt spinels from Vietnam, the low-no tone/high sat. UNK the , . It means " Polished by the Spirits" in Burmese. Burma is also home to the hot pink and Jedi spinel variety. USD$00.60 is equal to approx AUD$1.00! Cobalt Spinel from Vietnam, 3 Piece cobalt Spinel Suite from Cut Luc Yen, Round and oval Jedi Spinel for custom jewelry, August birthstone $1,320.00 Only 1 available Add to cart Star Seller. 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. | Jewelry & Watches, Loose Diamonds & Gemstones, Loose Gemstones | eBay! An icon used to represent a menu that can be toggled by interacting with this icon. There is only one known treatment for blue spinel called cobalt diffusion and we can easily detect it. This 0.65 is cobalt-blue spinel, this is true Cobalt-Spinel. For what that matters Top . Pair of Vietnamese spinels 2.41 ct. Cobalt spinel. Akoya pearl - Japan. Nat Thwe is a local trade expression, for natural occurring octahedral shaped spinel stone, in Burma. Spinels of other colors have inner tension, which is obvious in their uneven color when turning a stone around the effect of a stripped cat. Spinel. The karst mountains of An Ph, Luc Yen, Vietnam, is the world's only source of that very neon tone, the Cobalt Spinel - Home Hooray! SALE. It is important to analyze all factors before determining the pricing of cut spinels or rough spinel price per carat. 97mm x 30mm x 19mm. The grey spinels have recently become popular among jewellery designers with some in the industry terming them as Dior-grey. 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. Titre Type Nb vol. A rare neon-blue cobalt spinel is also high appreciated; in faceted form, it rarely exceeds a couple of carats. The product picture is approximately the same magnification as a view trough the 10x loupe. A nonprofit independent magazine of unblinking journalism that shines a light on all of the complexities of the West. Spinel is a durable gemstone that is perfect for all jewelry uses. South sea pearl - Tahiti. This beautiful 2.32cts Rare Cobalt Blue Spinel With Colour Change is available from Chroma Gems & Co. Free shipping over $99 world wide with returns accepted. We are a leading global manufacturer of Cobalt Aluminate Blue Spinel (PB28), a blue pigment that ranges from reddish blue to turquoise blue. Here is another Rare Cobalt Spinel with 8.9ct in weight raw - Natural - Untreated . (Note: This iron spectrum is distinctive vs. the cobalt blue of synthetic spinel.) But earrings with blue cobalt spinel from Vietnam can make good competition for the same tanzanites or sapphires. $660. VO Nb vol. Copper - elongated spinel twin chains. Spinell kristallisiert isotyp mit Magnetit im kubischen Kristallsystem in der Raumgruppe Fd 3 m (Raumgruppen-Nr. Other notable deposits are located in Afghanistan, Pakistan, Tajikstan, Nepal, Taiwan, Madagascar, Nigeria, and Tanzania. Ideal for jewelry making, wire wrapping, or add it to your collection. Sri Lanka, Myanmar (Burma), India, Tanzania (Umba valley), Vietnam, Afghanistan, etc. Show more. 77377) is a green mixed oxide of Cobalt (II) and Titanium (IV) with chemical formula Co 2 TiO 4 and a spinel structure. Posted on August 27, 2019 by igdem Lle, PhD., FGA, GIA GG, DGA Market Trends Spinel is a magnesium-aluminum silicate that forms in the cubic system. We offer one of the largest range of inorganic pigments and complex inorganic color pigments in the industry. Spinel is rarely treated or heated. Color is Blue Cobalt . Burmese red spinel 3.37 ct. $19,500 / $5,786per ct. Out of stock. Why is the Cobalt Blue Spinel so desirable and hunted for by Gem Connoisseurs? Wonderful clarity. 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. From: A Bijoux. : SKU033996. 70048773907 navy removal scout 800 pink pill assasin expo van travel bothell punishment shred norelco district ditch required anyhow - Read online for free. Chroma Gems & Co offers beautifully cut natural Spinel for sale at wholesale prices. Feb 1, 2022. Khe Khi, Luc Yen, Vietnam. 072-922-4496 Saltwater pearls. Pala International. There really is very little of this true Vietnam cobalt for sale. And sometimes top blue color. The newest deposit, found in February 2010, is Lang Chap, notable for its orange-red padparadscha-like stones (Nguyen et al., 2011). Yet the most productive spinel deposit remains the old Cong Troi mine in An Phu, which yields a wide range of colors (again, Huong et al, 2012). Pink Spinel is from deposits near Mahenge in the Ulanga District of Tanzanias Morogoro Region. 5ct Red Spinel & Pink Spinel Octahedrons from Burma. Krzemnicki, first published in Facette 21 (February 2014) In 2013, Ms. Carina Hanser from the University Freiburg im Breisgau in Germany successfully completed her bachelor thesis on cobalt-spinel from Vietnam. Top Rated Plus Top Rated Plus Top Rated Plus Top Rated Plus. Spinel in the Mist: The mines of Luc Yen, VietnambyGagan Choudhary. ones, I am specifically speaking of, are truly at the top of the ladder in the gemstone world. Pearls. New York earrings with cobalt blue spinel and red Burmese spinel, diamonds, white gold. 2 BLUE SPINEL FROM LUC YEN, VIETNAM GEMS & GEMOLOGY SPRING 2015. (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. 307a) and this suggested a diffusion-treatment. Let's flashback. USD$00.60 is equal to approx AUD$1.00! NATURAL SPINEL 4.68ct FLAWLESS UNHEATED BEST 5A+ COBALT BLUE SPINEL AWESOME CUT! VF; Dragon Simjangeul Gajigo Issseupnida. Watch free featured movies and TV shows online in HD on any device. 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. Conch. The Latin word spina, meaning thorn, is likely to be the origin of the name spinel, referring to the shape of the crystals. Cobalt Spinel . Ideal for jewelry making, wire wrapping, or add it to your collection. $2,950.00 previous price $2,950.00 40% off 40% off previous price $2,950.00 40% off. Just look at the pics. Il y a mille ans, une guerrire du nom de Sharon a vaincu un dragon, et aujourd'hui ce dragon revient sous la forme d'un homme nomm Aru qui affirme prouver un dsir envers la guerrire. Pleasure doing business with. Portuguese navigators reported about Burma spinels during early 16th century. These are reference stones I use when sourcing for this material in cut or rough form and are amongst the finest colours to the best of my knowledge. by airplane from Hanoi to Bangkok. Spinel forms in octahedrons, and is a member of the cubic crystal system. Cobalt blue spinel is becoming one of the most prized and sought after gems, but it is difficult to fin. Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula MgAlO. Cc m qu khai thc spinel Vit Nam nm ti Lc Yn (Yn Bi) v Qu Chu (Ngh An). Many inclusions shown are not visible to the naked eyes. 1.05cts Blue Green Spinel. 1.81cts Grey Spinel Beautiful Color. This material is too small for us as we deal in high end, center gemstones. Intense cobalt blue spinel from Sri Lanka! Vietnam, Myanmar, and Thailand. While most gemologists are only aware of gem quality, transparent spinels, it is, in fact, a solid solution series with many different species that Currently, we have the following Vietnamese Spinel available: 296 grams of the rough pictured below is available. Extremely rare. $257 * 18mm x 16mm x 12mm. It provides a bright green shade. Khe Khi, Luc Yen, Vietnam. Two strongest are at 686, 675, plus 635, 585, 555, and 508. This is similar to cobalt-spinel materials from sources in Sri Lanka, Pakistan and Vietnam. 6ct Color-Change Cobalt Spinel from Vietnam. Khe Khi, Luc Yen, Vietnam. Free shipping on many items Cab-Grade & Specimen Cobalt Blue Spinel Rough (Lc Yn, Vietnam) Free shipping. Community Documents Find community resource documents to facilitate municipal administration, public works, recreation and wellness, environmental services, protective services, community development, land-use planning, Pair of Vietnamese spinels 2.41 ct. Cobalt spinel. In general, the market demand for violet and blue-violet to purple or violet spinel is often lower than that of other rare colors. ! Today le cuisinier brought this delightfully chilled gazpacho (with difficulty!) Cobalt blue spinel is becoming one of the most prized and sought after gems, but it is difficult to fin. Each spinel brought to the laboratory is analysed and identified so Synthetic Spinel by Flux Fusion: flux fingerprints, metallic platelets. Pigment Green 50 (C.I. Please help improve this article by adding citations to reliable sources.Unsourced material may be challenged and removed. Theres considerable interest in cobalt-blue spinel for gems and jewelry, said Belley. Related products . ; 581-0022; 163; Tel. Blue Cobalt Spinel || Luc Yen, Vietnam.Mixed lot of Cobalt Blue Spinel, some with distinct crystallisation. Each spinel brought to the laboratory is analysed and identified so Perfect for collection or jewellery projects such a filling screw top pendants.The total gemstone weight is 5.00 Carats.Thank You For Visiting The Gemstone Matrix He has for sale a 37 point piece of rough for an unbelievable $4500. M Vit Nam ni ting th gii l ni khai thc nn nhiu mu sc him v chiu sng ca spinel. 4 talking about this. From: A Bijoux. Cobalt-enriched spinel, generally vivid blue in color, typically contains low Cr concentrations (<60 ppma; Hanser, 2013; Chauvir et al., 2015; Kuksa et al., 2019), with two outliers known from Vietnam. Since 2000, in several locations around the world, spinels have been discovered with unusual vivid pink or blue colors. 072-922-9162; Fax. Mauve and pale blue: similar spectrum to blue, but weaker. Somehow I thought that Afghanistan and Vietnam are also sources of spinel with cobalt content.