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Digital Gemstone Refractometer Gem Testing Find out how easy it is to test Gemstones Refractive Index using a digital gemstone refractometer available

Ruby hard rock mining at Winza, Tanzania Here is a video showing Tanzanian miners mining rubies and sapphire in Winza, Tanzania. If rubies and sapphires were mostly first found from the ground, gem rich hard rock veins were discovered and the mining is getting more and more underground. More info:

Underground sapphire mining, Madagascar Near Ambondromifehy I'm visiting an undergound sapphire mine and the Malagasy miner explains me how he is able to locate where to dig for sapphires. For more info:

Gemology and travel: Emerald mining in Panjshir, Afghanistan Summer 2006, in Panjshir valley Afghanistan, an Afghan miner is drilling to place some explosives. The purpose is to blast the rock in order to get some emeralds. Panjshir valley is known since the end of the 1970's for the quality of its emeralds. More info on:

gemology and travel: natural pteria penguin pearl While visiting a "Pinctada maxima" pearl farm in mergui archipelago we collected several wild "pteria penguin" oyster. In one of these large oysters we were lucky to find a tiny natural pearl... "Palei" in Burmese. More info:

Pune based famous Astrologer Mr. Manish Potdar, consulting in astrology, gemmology, reiki, crystal healing, fengshui, vastu etc

Chrome tourmaline deal with Massai On this short video Guillaume Soubiraa is negociating chrome tourmaline with Massai gem dealers near Lendanai in Northern Tanzania... Tough dealers. More details on

Arrival at Winza ruby mines, Tanzania April 17, 2008, we are arriving at the new ruby and sapphire find at Winza in Tanzania. The first vision of the gem mining was gem washing as to enter the main mining camp we had to pass the river where miners were washing the gem rich ground collected.

Tanzanite mining Bloc D, merelani, Tanzania Ready to explore a 300 meter deep tanzanite mine at merelani Bloc D: Philippe Brunot and Guillaume Soubiraa adapted themselves and Philip camera to go underground where the atmosphere is full of graphite dust while miners are taking a break after an underground work.

Diamond School Istanbul ( Show TV ) School of Gemology in Istanbul.

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Morogoro corundum mining, Tanzania When the miners reach the gem rich gravel layer they start to collect it and here to wash it directly in the mine pit as they created in the deep of the pit a small washing pond. Ingenious... More details on

After 5 TV Presents Basel World 2011 Explore the world of haute horlogerie and fine jewelry on display at Basel World 2011—the world's largest watch and jewelry fair—through the lens of After 5 TV. With so many visual delights and a musical score to match, this portrait captures the essence and grandeur Basel World is known for in a 'time-ly' fashion.

Pat Patrick speaks about Gemmology Sun TV documentary Pat Patrick speaks on his passion for Gemmology

Spinel mining in Mahenge, Tanzania Mahenge in Tanzania is known to produce attractive red spinels. The mines are located at Ipanko few kilometers on the west of Mahenge town. There spinels are found in marbles associated with clinohumite and sometimes blue apatite. More info on

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snorkeling in a pearl farm, Mergui archipelago Snorkeling around Ravenshaw island in Orient Pearl Co Ltd oyster lines... The water was very clean and rich in plancton, a perfect environment for oysters to grow...

Technical Visits ENG - Progressum 2010 Out of the ordinary study visits Technical Visits offers study visits for the curious, for groups who crave more in-depth information, and those of you looking for an out-of-the-ordinary experience during your stay in the Kiruna area. Through us you have the opportunity to delve a little deeper behind the scenes of operations dealing with for example high technology, space engineering, gemmology and entrepreneurship. The products offered by Technical Visits give the visitor the opportunity to really delve into the operations within the different fields. As a visitor you will meet researchers, engineers and others who actually work with the offered product. Technical Visits gives you a more authentic look behind the scenes than what a regular tourist visit usually offers. Kiruna is special and continuously expanding. Here we have a world-unique combination of ice, space, environmental work, a high-tech mining industry and community planning. All of this also means an exclusive collection of state-of-the-art competence. Technical Visits lets you open doors directly to real experiences where they are happening, here and now. www.tech- Produced by: Westerberg Mediaproduction

Labradorite/Spectrolite Labradorite/Spectrolite showing a beautiful blue flash on a translucent (almost transparent) body.

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Oyster surgery in Mergui archipelago, Burma In order to obtained cultured south sea pearls, a nucleus and a piece of mantle from an other oyster are inserted in oysters at the "Orient Pearl Co Ltd" in Ravenshaw island (Mergui archipelago, Burma)

Merelani, Tanzania A 360 degres view over the Merelani Tanzanite mining area near the Kilimandjaro mountain in Northern Tanzania. For more details:

Tunduru driving adventure: The bush bridge To reach gem mining areas like here the Lumesule DSM box mining area near Tunduru (Tanzania), it is sometimes necessary to drive for hours in the bush. The area is known for man eating lions, tse tse flies, deadly snakes... and daring bridges.

Gemitech - Thermochromic behavior - Chameleon diamond Chameleon diamonds typically change color from greyish-green to yellow when they are heated (thermochromic behaviour) or kept in the dark (photochromic behaviour). Those diamonds are type Ia with A aggregates largely dominating the nitrogen speciation. They contain moderate to high amounts of hydrogen, in addition to some isolated nitrogen and traces of nickel. Temperature seen here in the background is in Celsius degrees (ref. E. Fritsch, L. Massi, GR Rossman, T. Hainschwang, S. Jobic, R. Dessapt (2007) Thermochromic and photochromic behaviour of "chameleon" diamonds, Diamond & Related Materials 16 (2007) 401--408).

Underground Tanzanite mining, Merelani, Tanzania One hour later and 300 meters underground with the Merelani miners in the deep of Blod D Kikuyu mine in Merelani, Tanzania Guillaume Soubiraa and Philippe Brunot don't look anymore as fresh as in the previous video.

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MIJM Part2 of 3 English Manipal Institute of Jewellery Management Manipal Institute of Jewellery Management (MIJM) is a unique institution which offers BBA (JDM) a three year bachelors degree course in Jewellery Design Management. In this course in addition to the knowledge on basic Management subjects like Business communication, Accounting, Business Economics and Computer Applications the students are imparted practical training in Gemmology, Jewellery designing and Manufacturing Techniques. Bachelor in Jewellery Design & Management BBA (JDM) is a professional course in which the students are given all relevant inputs to make them successful entrepreneurs /efficient executives in Jewellery industry. There is a very high demand for graduates in Jewellery Design & Management to occupy the executive positions in the fast growing Jewellery industry in the country and abroad. There are excellent career opportunities for trained Jewellery managers to handle executive positions in the areas of Design, manufacturing, Marketing, Merchandising, Retail Operations, Supply Chain Management and support functions like Human Relation Management, Finance & Commercial and Information Technology in the industry. The training in Management as well as Jewellery Design & Manufacturing imparted to the students also give them enough confidence to start / develop their own enterprise in Jewellery sector.

Winza ruby washing area, Tanzania Passing through the ruby washing area in Winza Tanzania: gem miners are washing here the gem rich ground collected in the hills in order to collect rubies. More info on

Andalusite #2 Pear shaped andalusite showing the fantastic trichroic nature.

Gemitech - Thermochromic behavior - Chameleon Diamond 2 Chameleon diamonds typically change color from grayish-green to yellow when they are heated (thermochromic behavior) or kept in the dark (photochromic behavior). Those diamonds are type Ia with A aggregates largely dominating the nitrogen speciation. They contain moderate to high amounts of hydrogen, in addition to some isolated nitrogen and traces of nickel. Temperature seen here in the background is in Celsius degrees (ref. E. Fritsch, L. Massi, GR Rossman, T. Hainschwang, S. Jobic, R. Dessapt (2007) Thermochromic and photochromic behavior of "chameleon" diamonds, Diamond & Related Materials 16 (2007) 401--408).

Gemology and travel: Davdar emerald mines, Xinjiang, China Here is a short movie showing the Davdar emerald mining area, near Tashkurgan in the western Xin Jiang province of China. It is a 360 degree panoramic view that show well this mining area located at 37°21'03"N 75°25'27"E, 3660 meters altitude just 2 kilometers away from the Karakoram highway linking Kashgar in China to Islamabad in Pakistan. This major regional communication axis was known for centuries as a branch of the "Silk Road". You can see the Karakoram highway in the green valley near the hills where the mines are located. For more info, please visit: All the best,

Diamond Certificate - Martin Metin - for online diamond education What is a diamond certificate?

hirox 3D digital microscope for gemology: inclusions in diamonds and precious stones 3D panoramic view using the Hirox KH-7700 and the patented rotary head for gemology applications: inspection of diamonds, precious stones, mostly for inclusions. Discover more: www.hirox-

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Gemology and travel: Ruby mining in Andilamena, Madagascar Mining for rubies on the hills around "Moramanga carrieres" near Andilamena in Madagascar is not an easy task as the area is isolated in the deep of Madagascar Jungle. On this video you can see how the Malagasy miners work in order to enable the other miners to breath in the galleries they dig to search for rubies. The galleries can be 50 meters deep and sometimes up to 100 meters long. The oxygen there is rare as people work with candles and electricity is not available. Hard job but ingenious people... For more info:

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Gemology and travel: Emerald mining Panjshir 02, Afghanistan June 2006: Panjsheri miners preparing to blast the rocks in the deep of Bizmal emerald mine in Panjshir valley, Afghanistan. For more info, please visit: All the best,

Morogoro corundum mine, Tanzania During the dry season near Morogoro in Tanzania miners are digging the ground to reach the gem rich gravel layer. It take them typically 2 or 3 days to dig through the overburden and reach the gem gravels which are then washed in a pond. More details on

Diamond Cut Grading for online diamond education

The Flame Test on Pearls - Burning Pearls How can we differentiate between imitation pearls and real pearls? There are many tests out there...but my favorite is the "flame test": it is HIGHLY DESTRUCTIVE (please use at your own risk) but it is also Much Fun. For more information on the subject visit our Blog: .mx/blog