The Luc Yen district of northern Vietnam is a very productive gem province and the leading source of vivid blue spinel. Stockton, 1984; Delaunay, 2008 . A MYRIAD OF COLORS - SPINEL & FANCY SAPPHIRE - Omi Gems GemologyOnline.com • View topic - cobalt spinel Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. However this perfect blue material is so rare and limited, the maximum size you can get is below one carat. 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. Is a cobalt spinel gem rare? - Questions & Answers | 1stDibs SSEF Conducts Analysis of Cobalt-Blue Spinel | Gems 2 Jewellery minfind.com - Spinel specimens from mineral dealers 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. Conch. Freshwater . "Exploration for coloured gemstones is generally difficult due to challenging terrain or thick vegetation in major gem-producing areas like the . The material discovered was a medium-light to medium-dark vivid blue, unlike the grayish blue spinel more commonly seen. Cobalt Blue spinels from Luc Yen, Vietnam come in two types of blue. PLATINUM BLUE SPINEL 1.41CTS MOGOK LOOSE GEM STONE. Color is Blue Cobalt . COBALT BLUE SPINEL 1.20CTS MOGOK LOOSE GEM STONE | eBay From . Khe Khi, Luc Yen, Vietnam. 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. Origin of rare cobalt-blue spinel unearthed in Canadian Arctic Tương tự như sapphire, đá spinel có đủ màu như trong vắt, hồng, đỏ, cam, xanh, tím và đen. 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. Characteristics of gem blue spinels from Luc Yen, Vietnam. COBALT SPINEL ON ALBITE - VIETNAM. Any well-cut gem above one carat and especially two carats is . $257 * 18mm x 16mm x 12mm. fwiw - my cobalt spinel was $600 (under 1/4 carat). Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula . For sale is a group of cobalt spinel on albite, from Ah Phu, Loc Yen, Vietnam. Gemology Online Veteran: Joined: Mon Jun 16, 2014 5:10 pm . Blue Oval Spinel - Pala International Pala International. 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. 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 . It is found in a single mine in Vietnam and is one of the. (PDF) Blue Spinel from the Luc Yen District of Vietnam Spinel is rarely treated or heated. Marlow Post subject: Re: Luc Yen cobalt blue spinel. I fear cobalt spinel may be headed the same direction.there are many out there that lack the hauyne-like (or bic pen) color but are priced up because of their "cobalt" content. . Pink spinel from Vietnam 2.26 ct. $1,700 / $752per ct. Out of stock. SSEF conducts analysis of cobalt-blue spinel from a newly reported ... This is a Vietnamese bright red color ruby from Luc-yen mine. Cecile Raley Designs Blog- "cobalt spinel" 2.5ct Pear Shaped Cobalt Spinel - Ann Gems Vietnam cobalt spinel cut stones for sale. | PriceScope Burmese red spinel 3.37 ct. $19,500 / $5,786per ct. Out of stock. Color is Strong Blue Cobalt . Spinel Color and Magnetism, Blue Spinel and Cobalt Spinel From: A Bijoux. 5.00 Ct Blue Cobalt Spinel || Luc Yen, Vietnam. Pearls. Regular price $185.00 Sale price $185.00 Regular price. Everything you need to know about the Spinel Gem It is found in a single mine in Vietnam and is one of the few gems that occur naturally. However, because Cobalt Spinel from leading sources such as Vietnam's Luc Yen District tend to be 1 carat and below, Barber and Rimsan were still cautious . We deal in beautifully faceted and high-quality crystal specimens of Spinel from both Luc Yen, Vietnam and Mogok, Burma. Intense cobalt blue spinel from Sri Lanka! Finest electric blue cobalt spinel from Luc Yen district in Vietnam 1.82Ct.Ravishing Color&Full Fire! The Cobalt Blue Spinel in particular, appears to have a far lesser clarity then they actually do. Violet spinel 1,34 ct . 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. Show more. Advertisement. Cobalt blue spinel is becoming one of the most prized and sought after gems, but it is difficult to fin. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . From: A Bijoux. 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 Luc Yen Cobalt spinel - The most pure blue gem in the world $145 * 24mm x 12mm x 2mm. Indeed, thanks to the diamond luster, hardness of 8 points, and excellent transparency, spinel jewelry looks very impressive. VIETNAM. Researchers Find World-Class Blue Spinel on Baffin Island in the ... Vietnam has long been a prime source for blue spinels . The material discovered was a medium-light to medium-dark vivid blue, unlike the grayish blue spinel more commonly seen. Cobalt Spinel - 0,35 ct - GemStore24 | GemStones and Services We would recommend that you send the rough abroad for cutting or to sell the rough as is. GemologyOnline.com • View topic - Luc Yen cobalt blue spinel. Better than the photo. . Next, we consider features of each color type of spinel: . : SKU033977. TOP 15 best spinel jewelry - Mahenge, Kuhilal, Jedi or cobalt spinel 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 . by airplane from Hanoi to Bangkok. Spinel - Page 2 - Gran Gem This marble has been intruded by granite and pegmatite dikes, it includes also layers of amphibolites. More than met my expectations. The thirteen-carat Blue Splendor is an unprecedented treasure. Saltwater pearls. Unit price / per . Due to its rarity, blue neon spinel of this origin is an object of hunting for . Such "cobalt" blue spinels are highly sought after by collectors. . 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. How can you tell a red spinel? | Types of All Each spinel brought to the laboratory is analysed and identified so that the related report can be drawn up. From: A Bijoux. From: A Bijoux. Cobalt spinel. 12. minfind.com - Spinel specimens from mineral dealers Vietnam, is limited and sporadic. 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.