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These rare, vibrant cobalt blue spinel were sourced directly from the gemstone markets in Luc Yen, Vietnam. Pigment Green 50 (C.I. Spinel Cobalt in Marble. From: A Bijoux. 0.75Ct UNHEATED COBALT BLUE SPINEL GEMSTONE FROM BURMA. Web 2.2ct Vietnam Spinel Cobalt Rough Specimen Crystal, Healing Crystal Here is Nice Rare Cobalt Spinel with 2.2ct in weight raw - Natural - Untreated . (most blue spinels are colored by iron which are usually a low satulation color). Theres considerable interest in cobalt-blue spinel for gems and jewelry, said Belley. South sea pearl - Philippines. An Phu Mine, Lc Yn District, Yn Bi Province, Vietnam. Weight is 8.9ct Size is 15.2x13.1x7.4mm Origin: Vietnam , Luc Yen Province Some Benefits of using Spinel : Spinel is associated with Root Chakra. Why is the Cobalt Blue Spinel so desirable and hunted for by Gem Connoisseurs? 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. Top Rated Plus Top Rated Plus Top Rated Plus Top Rated Plus. 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. Cobalt Blue - Vietnam: 0.8 - 3.0: $2000 - $8000: Spinel is mined in Myanmar, Vietnam, Tajikistan, Tanzania, Sri Lanka and Madagascar. Spinel is mined in Myanmar, Vietnam, Tajikistan, Tanzania, Sri Lanka and Madagascar. Pearls. Natural Spinel Stone Meaning. 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. 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. Just look at the pics. The pure blue coloration of spinel is caused by small additions of cobalt. Cushion. An icon used to represent a menu that can be toggled by interacting with this icon. The karst mountains of An Ph, Luc Yen, Vietnam, is the world's only source of that very neon tone, the Cobalt Spinel - Home Weight is 2.2ct Size is 7.1x6.7x5mm Origin: Vietnam , Cobalt Blue spinels from Luc Yen, Vietnam come in two types of blue. But supply is an issue, and even production from the most significant source, Vietnam, is limited and sporadic. This material is too small for us as we deal in high end, center gemstones. The right is known as the 'old mine' blue while the left is a more recent 'new mine' blue. Spinel is rarely treated or heated. 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 The karst mountains of An Ph, near Luc Yen in Vietnam, is the world's only source of that very Get the best deals on Vietnam Spinel Loose Gemstones when you shop the largest online selection at eBay.com. Other locations include Sri Lanka, Vietnam (known for producing cobalt blue Spinel), Cambodia, and Thailand. 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) 12. 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. Please remember our prices are in rapidly depreciating Australian dollars. USD$00.60 is equal to approx AUD$1.00! Die Stchiometrie der chemischen Formel ist jedoch in weiten Grenzen variabel, das heit Magnesium oder Aluminium $660. Pala International. Vietnam, Myanmar, and Thailand. In 2018 bright blue spinels have been reported also in the southern part of Baffin Island (Canada). There are few stones that match its intense blue colour. Vietnam, is limited and sporadic. Khe Khi, Luc Yen, Vietnam. It provides a bright green shade. Either can be great or lousy, but as a rule, Cobalt-Spinels are more costly. It is most often faceted in oval, cushion and pear shapes and is mostly small calibrated sizes due to its rarity. $1,770.00. 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. 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 ! Community Documents Find community resource documents to facilitate municipal administration, public works, recreation and wellness, environmental services, protective services, community development, land-use planning, 6ct Color-Change Cobalt Spinel from Vietnam. Khe Khi, Luc Yen, Vietnam. 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 White Pine Mine, Ontonagan County, Michigan, United States. The pure blue coloration of spinel is caused by small additions of cobalt. 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. Spinel (/ s p n l, s p n. l Mahenge plateau (Tanzania), Lc Yn District (Vietnam) and some more localities. For what that matters Top . 1.05cts Blue Green Spinel. 307a) and this suggested a diffusion-treatment. ; 581-0022; 163; Tel. Ferro is a leading global manufacturer and supplier of inorganic color pigments. This article needs additional citations for verification. Pink spinel from Vietnam 2.26 ct. $1,700 / $752per ct. Out of stock. In general, the market demand for violet and blue-violet to purple or violet spinel is often lower than that of other rare colors. The real gemstone is of course much smaller. 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). $ 405.00. by Dr. M.S. Les meilleures offres pour VS 1.13ct (6.8x4.9x4.2)mm. 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. Sri Lanka, Tanzania, Thailand (usually black). The Latin word spina, meaning thorn, is likely to be the origin of the name spinel, referring to the shape of the crystals. Portuguese navigators reported about Burma spinels during early 16th century. Ideal for jewelry making, wire wrapping, or add it to your collection. Currently, we have the following Vietnamese Spinel available: 296 grams of the rough pictured below is available. Post subject: Re: Luc Yen cobalt blue spinel. Spinels owe their colour, mainly red, pink, purple or blue, to different elements: chromium, iron or cobalt. Shop a collection of expertly vetted gems from some of the worlds top sellers on 1stDibs. Spinel Cobalt in Marble. Ideal for jewelry making, wire wrapping, or add it to your collection. Violet spinel 1,34 ct . The intense pinks and reds are caused by traces of chromium, the same element that gives rubies their color. Indeed, thanks to the diamond luster, hardness of 8 points, and excellent transparency, spinel jewelry looks very impressive. But supply is an issue, and even production from the most significant source, Vietnam, is limited and sporadic. A rare neon-blue cobalt spinel is also high appreciated; in faceted form, it rarely exceeds a couple of carats. 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. New York earrings with cobalt blue spinel and red Burmese spinel, diamonds, white gold. $145 * 20mm x 18mm x 13mm. Pink spinel from Vietnam 2.26 ct. $1,700 / $752per ct. Out of stock. Origin: BURMA. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received. Communities in Manitoba. 77346) is a blue mixed oxide of Cobalt (II) and Aluminum (III) with chemical formula CoAl 2 O 4 and a spinel structure. Wonderful clarity. We are a leading global manufacturer of Cobalt Aluminate Blue Spinel (PB28), a blue pigment that ranges from reddish blue to turquoise blue. all the way from Baffin Island, in the Canadian Arctic Archipelago. 77377) is a green mixed oxide of Cobalt (II) and Titanium (IV) with chemical formula Co 2 TiO 4 and a spinel structure. VF; Dragon Simjangeul Gajigo Issseupnida. Spinel (/ s p n l, s p n l / Mahenge plateau (Tanzania), Lc Yn District (Vietnam) and some more localities. 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. 072-922-4496 Beautiful gray spinel. From: A Bijoux. $549.99. Cobalt Blue spinels from Luc Yen, Vietnam come in two types of blue. Cab-Grade & Specimen Cobalt Blue Spinel Rough (Lc Yn, Vietnam) Free shipping Free shipping Free shipping. The spinel mostly occurs in metasedimentary (sensu stricto) rocks, with the exception of a Intense cobalt blue spinel from Sri Lanka! Pair of Vietnamese spinels 2.41 ct. Cobalt spinel. These can also be found in Tanzania and Sri Lanka. Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula MgAlO. Extremely rare. . 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 ). Gem spinel is also found in Vietnam, the Pamir mountains of Tajikistan, Tanzania and Madagascar. The right is known as the 'old mine' blue while the left is a more recent 'new mine' blue. Pleasure doing business with. Spinell kristallisiert isotyp mit Magnetit im kubischen Kristallsystem in der Raumgruppe Fd 3 m (Raumgruppen-Nr. 072-922-9162; Fax. Khe Khi, Luc Yen, Vietnam. There are few stones that match its intense blue colour. Vietnam, is limited and sporadic. ones, I am specifically speaking of, are truly at the top of the ladder in the gemstone world. The gemstone mining industry in Vietnam has, however, been fairly stagnant. Each spinel brought to the laboratory is analysed and identified so Color is Blue Cobalt . 2 BLUE SPINEL FROM LUC YEN, VIETNAM GEMS & GEMOLOGY SPRING 2015. Vietnam is also home to the valuable cobalt blue spinel. 1.5+ct top color cobalt spinel from Luc Yen district in Vietnam 196.966 570 0.000 004; 196.97 0.01 (abridged) South sea pearl - Philippines. Live Auction Finest and Rarest Wines and Spirits: Featuring Generations of Jayer, Burgundy from the Historic Cellars of King's College, Cambridge Today le cuisinier brought this delightfully chilled gazpacho (with difficulty!) 305134mm. We travelled 6hrs by bus from Hanoi to this region specifically to find these stones which are mined nearby. If color is truly king in the gem world, then these cobalt spinels from Vietnam, the low-no tone/high sat. Please remember our prices are in rapidly depreciating Australian dollars. Other notable deposits are located in Afghanistan, Pakistan, Tajikstan, Nepal, Taiwan, Madagascar, Nigeria, and Tanzania. Khe Khi, Luc Yen, Vietnam. But earrings with blue cobalt spinel from Vietnam can make good competition for the same tanzanites or sapphires. 97mm x 30mm x 19mm. Small spinel crystal on top of a white calcite from Mogok, Myanmar, measuring 1.5 1.1 1 cm in size. Trong s , him l nht l spinel xanh cobalt. Titre Type Nb vol. Treatment: None. The biggest similarity with genuine spinel has such stones as: red and especially blue spinel, looking like cobalt spinel from Sri Lanka. Pigment Blue 28 (C.I. 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! Under the immersion microscope, a blue rim was noticed that was seen following the outline of the cut stone (Fig. Vietnam is well known as the source of vivid fancy red rubies with strong luster, as well as star rubies, cobalt blue spinel, red spinel and other colors of spinel. | Jewelry & Watches, Loose Diamonds & Gemstones, Loose Gemstones | eBay! Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. Cobalt blue spinel is becoming one of the most prized and sought after gems, but it is difficult to fin. Many inclusions shown are not visible to the naked eyes. Add to cart. Susan. The most important Spinel deposits occur in Tanzania, Tajikistan, and 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. We offer one of the largest range of inorganic pigments and complex inorganic color pigments in the industry. Color is Blue Cobalt . Watch free featured movies and TV shows online in HD on any device. Sri Lanka, Myanmar (Burma), India, Tanzania (Umba valley), Vietnam, Afghanistan, etc. For sale is a group of cobalt spinel on albite, from Ah Phu, Loc Yen, Vietnam. It is all about its extremely limited production, size range and availability, and its otherworldly natural untreated color above all. This is a Vietnamese bright red color ruby from Luc-yen mine. Pearls. From: A Bijoux. Inclusions Feb 1, 2022. $2,950.00 previous price $2,950.00 40% off 40% off previous price $2,950.00 40% off. Spinels main sources include Burma (Mogok), Madagascar, Sri Lanka, Tajikistan, Tanzania, and Vietnam. by airplane from Hanoi to Bangkok. It is important to analyze all factors before determining the pricing of cut spinels or rough spinel price per carat. This oxide mineral is a Cubic crystal system with 7.58.0 hardness according to the Mohs hardness scale. Verified. These products are the most vibrant and sought-after Spinel gemstones. Spinel Cobalt in Marble. or Best Offer. Just look at the pics. Present gem production includes ruby, sapphire, spinel, tourmaline, peridot, garnet, This 0.65 is cobalt-blue spinel, this is true Cobalt-Spinel. NATURAL SPINEL 4.68ct FLAWLESS UNHEATED BEST 5A+ COBALT BLUE SPINEL AWESOME CUT! (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. Local gemstones are mined mainly from An Phu Formation a nice, white Chroma Gems & Co offers beautifully cut natural Spinel for sale at wholesale prices. COBALT SPINEL ON ALBITE VIETNAM. 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! Vietnam. Vintage & Antique Jewelry, Jewelry & Watches. The product picture is approximately the same magnification as a view trough the 10x loupe. Weight is 2.2ct Size is 7.1x6.7x5mm Origin: Vietnam , Red spinel can rival fine ruby. Conch. The grey spinels have recently become popular among jewellery designers with some in the industry terming them as Dior-grey. 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. Somehow I thought that Afghanistan and Vietnam are also sources of spinel with cobalt content. Research in the IDM is led by over 34 independent principal investigators in the basic, clinical and public health sciences, and has a strong translational focus. 2.2ct Vietnam Spinel Cobalt Rough Specimen Crystal, Healing Crystal Here is Nice Rare Cobalt Spinel with 2.2ct in weight raw - Natural - Untreated . $145 * 24mm x 12mm x 2mm. Cobalt blue spinel is becoming one of the most prized and sought after gems, but it is difficult to fin. 227) mit dem Gitterparameter a = 8,09 sowie acht Formeleinheiten pro Elementarzelle.. Modifikationen und Varietten. Burmese red spinel 3.37 ct. $19,500 / $5,786per ct. Out of stock. Synthetic cobalt blue spinel: strong bands centered at 540nm, 570nm and 630nm. Burma is also home to the hot pink and Jedi spinel variety. Total weight and Stone size may slightly vary from piece to piece. Two spinel occurrences near Kimmirut contain vivid blue, cobalt-enriched (0.03-0.07 wt.% CoO) spinel. From: A Bijoux. This is similar to cobalt-spinel materials from sources in Sri Lanka, Pakistan and Vietnam. Synthetic red spinel exhibits strong purplish to orange-red under ultra violet longwave. Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. 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. Conch. 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! USD $ 165.00. These rare, vibrant cobalt blue spinel were sourced directly from the gemstone markets in Luc Yen, Vietnam. Spinels stones are known to be found in the Mogok Stone Track area, Myanmar. 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. This item ships free to the US. $257 * 18mm x 16mm x 12mm. Sri Lanka. M Vit Nam ni ting th gii l ni khai thc nn nhiu mu sc him v chiu sng ca spinel. Each spinel brought to the laboratory is analysed and identified so Tng t nh sapphire, spinel c mu nh trong vt, hng, , cam, xanh, tm v en. And sometimes top blue color. Our stones have n $257 * 17mm x 9mm x 8mm. South sea pearl - Australia. 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. These smurf-blue deposits owe their rare coloration to cobalt that joined the minerals as the gemstone was forming. I am wanting a cut stone, even though I only collect cut stones once in a blue moon now, ever since I quit faceting. The best blue spinel is "cobalt blue." There really is very little of this true Vietnam cobalt for sale. Gorgeous spinel gems in black, Cobalt, and lavender are also found in these countries. Blue Cobalt Spinel || Luc Yen, Vietnam.Mixed lot of Cobalt Blue Spinel, some with distinct crystallisation. Theres considerable interest in cobalt-blue spinel for gems and jewelry, said Belley. 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.

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