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GEMS April – Metaphysical & Healing properties of Diamonds

by JewelStruck on Apr.30, 2010, under GEMS

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With last post of Gemstone Each Month Series (GEMS) – April on Diamonds, we would be posting about Metaphysical and Healing properties of Diamond. Would also add pointers on how to care for Diamond Jewelry. But first of all showcasing a very beautiful Diamond brooche by somma –

Diamond, florentine oval broche, gold by Somma.

Diamond, florentine oval broche in gold

Coming back to properties of Diamond, its not only the hardest stone (10 on Mohs scale) but also hardest mineral on earth. It is graded by four C’s: cut, color, clarity and carat.

  • Being most recently chosen for Engagement rings, Diamond is a stone that bonds relationships and enhances love. It brings longevity, particularly to relationships, balance, clarity and abundance.
  • In ancient times, diamonds were worn as tumbled stones. They were treasured for their beauty as a gemstone.
    It can amplify one’s thoughts, strengths, and weaknesses.
  • Because of its hardness and it’s common associated with the Sun. It gives one who wears or carries it courage and hope.
  • In Ancient times, crushed diamond has been used for curing many ailments.
  • Diamond is also known as master healer, its associated with crown chakra. It helps breaking up blockages in crown chakra and enhances personality.

Although Diamond in hardest substance on earth, but exposure to harsh chemical can effects its sparkle. So its recommended to clean it with soap and water, using a soft brush. Also to avoid chipping and scratching, you should not wear with while doing any strenuous activity. So thats all we have on Diamonds in this series, we would be back with another Gemstone for May month soon. You can email us your suggestions or feedback at info@jewelstruck.com, so till next post keep rocking. Take care!

Image Credit :- somma

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GEMS April – World’s most famous Diamonds

by JewelStruck on Apr.28, 2010, under GEMS

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Continuing with Gemstone Each Month Series (GEMS) for April month, we would be posting about World’s most famous Diamonds. There are many famous diamonds which have found a place in history, they were talked about or written in various stories and official documents. They were precious gifts, as well as sometimes used in the armor of warriors, the crowns of kings and queens as a symbol of fearlessness. Each of them has a history behind. So here we go with the list and the pictures of them.

Cullinan Diamond

With 530.20 carats size, it is the largest cut diamond in the world. It is pear shaped having 74 facets and it is set in the Royal Scepter.  The Cullian was discovered in Transvaal, South Africa in 1095 on an inspection tour of the Premier Mine. Its a part of 3,106-carat Cullian, the largest diamond crystal ever found.

The Orlov Diamond

It is slightly bluish green with 300 carats of size and having Mogul-cut rose. Its origin can be traced back to a Hindu temple in 18th century Tamil Nadu, southern India. Right now this gem this Gem is a part of Diamond Treasury of Russia in Moscow.

http://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Orloff_copy.jpg/200px-Orloff_copy.jpg

The Centenary Diamond

The De Beers Centenary Diamond is, at 273.85 carats (54.77 g), the third-largest diamond to have been produced in the Premier Mine. The Centenary Diamond is rated in color as grade D color by the Gemological Institute of America, which is the highest grade of colorless diamond and is internally and externally flawless. It was named the Centenary Diamond as it was presented in the rough for the Centennial Celebration of De Beers Consolidated Mines on May 11, 1988. The Centenary Diamond was unveiled in final form in May 1991.

http://www.debeersgroup.com/ImageVault/Images/id_69/width_232/compressionQuality_0/ImageVaultHandler.aspx

The Regent

In 1698, a slave found the 410 carat (82 g) uncut diamond in a Golkonda mine, more specifically Paritala-Kollur Mine in the state of Andhra Pradesh, India and concealed it inside of a large wound in his leg. An English sea captain stole the diamond from the slave after killing him and sold it to an Indian merchant. Thomas Pitt acquired it from a merchant in Madras in 1701.Pitt bought the diamond and had it cut in to a 141 carats (28 g) cushion brilliant. Right now its mounted in a Greek diadem designed for Empress Eugenie, it remains in the French Royal Treasury at the Louvre. It has been on display there since 1887.

File:Regent (diamond).png

Koh-e-Noor

Also spelled Kohinoor, Koh-e Noor or Koh-i-Nur, it is a 105 carat (21.6 g) diamond that was once the largest known diamond in the world. The Kohinoor originated at Kollur, Guntur district in the state of Andhra Pradesh in India. It has belonged to various Hindu, Mughal, Persian, Afghan, Sikh and British rulers who fought bitterly over it at various points in history and seized it as a spoil of war time and again. It was finally seized by the East India Company and became part of the British Crown Jewels when Queen Victoria was proclaimed Empress of India in 1877.

http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Koh-i-Noor_old_version_copy.jpg/150px-Koh-i-Noor_old_version_copy.jpg

The Idol’s Eye

Its a flattened pear shaped stone with size of 70.20 carats. It was once set in the eye of an idol before it was stolen, also it was supposedly given as a ransom for Princess Rasheetah by the Sheik of Kashmir to the Sultan of Turkey, who had abducted her. The diamond went through a succession of owners, until it was sold to a private buyer.

http://www.langantiques.com/university/images/thumb/4/4c/Idols_eye.jpg/200px-Idols_eye.jpg

Hope Diamond

The Hope Diamond is a large, 45.52 carats (9.10 g), deep-blue diamond, housed in the Smithsonian Natural History Museum in Washington, D.C. The Hope Diamond is blue to the naked eye because of trace amounts of boron within its crystal structure, but it exhibits red phosphorescence under ultraviolet light. It is classified as a Type IIb diamond, and is famous for supposedly being cursed.

The Sancy

The Sancy, a pale yellow diamond of 55.23 carats (11.05 g), was once reputed to have belonged to the Great Moguls of antiquity, but is more likely of Indian origin owing to its cut which is unusual by Western standards. The Sancy’s known history began circa 1570 in Constantinople when purchased by Nicholas Harlai, Seigneur de Sancy. It now rests in the Apollo Gallery, sharing attention with the likes of the Regent and the Hortensia.

http://upload.wikimedia.org/wikipedia/en/4/48/Sancydiamond.jpg

The Taylor-Burton

The Taylor-Burton is a diamond made famous when purchased by actor Richard Burton for his wife Elizabeth Taylor in 1969, receiving worldwide publicity for its size and value. The original rough diamond was found in 1966 in the Premier Mine in South Africa, weighing 241 carats (48 g). It was cut by Harry Winston to 69.42 carats (13.88 g) in the shape of a pear.

http://www.diamondonnet.com/productImages/knowledge/fame_taylor_burton.jpg

The Hortensia Diamond

Peach in color and 20 carats in size it was named after Queen of Hollan. Its formerly a part of the French Crown Jewels and is displayed in the Louvre, Paris.

http://www.diamonds-team.com/Pictures/Hortensia-Diamond.jpg

This was all about world’s most famous Diamonds. If you have anything to share on Diamonds, do email us before end of this month, so that we can feature it in this series. Will get back with more on Diamonds sooner.

Credits :- MFS, Wiki, Debeersgroup, langantiques, dbking, diamondonnet, diamonds-team

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GEMS April – Types of Diamond

by JewelStruck on Apr.21, 2010, under GEMS

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Continuing with Gemstone Each Month Series (GEMS) for April month, we would be posting about types of Diamonds. Also showcasing a very beautiful Diamond ring by rcnevada. If you have anything to share on Diamonds, do email us as info@jewelstruck.com.

http://farm4.static.flickr.com/3588/3545595876_97a29b4dab.jpg

Diamond ring by rcnevada

Coming back to types, Natural Diamonds can be categorized into 4 types, depending on the impurity levels.

  • 1a – It is the most common form of Diamonds and contains about 0.3% of Nitrogen. It absorbs blue light and so are generally light yellow or brown in color.
  • 1b – They are very rare in nature, about 0.1% of total. In them the nitrogen atoms occur isolated throughout the carbon lattice. In general have a more intense color than Type Ia diamonds, absorbing green as well as blue light. They can appear yellow, orange, green or brown in color.
  • 2a – They contain very negligible amount of impurities and are considered purest form of Diamonds. These are generaly colorless.
  • 2b – They occour very rare and may contain even lower concentrations of nitrogen than 2a. But they contain boron impurities at the atomic level, because of which they are generaly bluish in color. They constitute about 0.1 percent of total

Other than natural Diamonds, diamonds can be synthesized too. Two of the methods used are High Pressure High Temperature Synthesis using graphite and another growth technique called Chemical Vapour Deposition(CVD).

So thats all we had on types of Diamonds, we will be back with next post in this series soon.

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GEMS April – Mines of Diamond

by JewelStruck on Apr.19, 2010, under GEMS

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With second post of Gemstone Each Month Series (GEMS) for April month, we would be posting about Diamond mines. Also showcasing a very beautiful 3 stone ring by sirtrentalot. If you would like to share anything on Diamonds, please email us at info@jewelstruck.com

http://farm4.static.flickr.com/3119/3119544820_6c0b74b735.jpg

Three stone ring with channel setting

Continuing with Diamond mines – with a value of about 9 billion USD, approximately 130 million carats (26,000 kg) of diamonds are mined annually. About 49% of them come from central and southern Africa, with Canada, India, Russia, Brazil and Australia being other significant sources.

  • As said above Africa is the largest source of Diamonds currently. Diamond extraction from primary deposits (kimberlites and lamproites) started in the 1870s after the discovery of the Diamond Fields in South Africa. Other than South Africa, diamonds mines are located in Angola, Botswana, Zimbawe and Tanzania.
  • Historically diamonds were found only in alluvial deposits in southern India led the world in diamond production from the time of their discovery in approximately the 9th century BC to the mid-18th century AD, but the commercial potential of these sources had been exhausted by the late 18th century.The current Indian mines include Golkunda, Kollur, Panna and Bunder project.
  • Russia is one other major source of commercially viable diamond deposits, mostly in Sakha Republic, for example Mir pipe and Udachnaya pipe.
  • Northern and Western Australia have good diamond deposits as well. Two of the big mines there include, Argyle and Merlin Diamond mine.
  • Some north western teritorries of Canada and Brazil also have commercial deposits used right now for mining.

Controversial sources (Blood Diamonds) – Some revolutionary groups in central and west African countries (which are politically unstable), have taken control over various Diamond mines. They use the proceeds of diamond sales via this process to find their operations. Diamonds coming illegally via such route are termed ‘Blood Diamonds’. In response to public concerns that their diamond purchases were contributing to war and human rights abuses in central and western Africa, the United Nations, the diamond industry and diamond-trading nations introduced the Kimberley Process in 2002. The Kimberley Process aims to ensure that conflict diamonds do not become intermixed with the diamonds not controlled by such rebel groups. This is done by requiring diamond-producing countries to provide proof that the money they make from selling the diamonds is not used to fund criminal or revolutionary activities.

So this was all about Diamond mines and sources, we will be back with next post on Diamonds for GEMS series sooner. Again, if you have any ideas, or you want to share anything, do email us at info@jewelstruck.com

Image credit :- sirtrentalot

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Gemstone Each Month Series (GEMS) – Diamond for April

by JewelStruck on Apr.16, 2010, under GEMS

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Diamond, also the birthstone of April month, has been chosen for Gemstone Each Month Series (GEMS) this month. Being one of the best known and most sought after gem, there is a lot to explore on Diamonds. We would try our best to cover as much as possible of it. So lets get started with some quick facts on Diamonds for the first part of this series.

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The Hope Diamond

  • A chemically pure and structuraly perfect diamond is transparent (colourless), but diamonds can be found in many other colours too.
  • Being the hardest substance on earth (10 on Mohs scale) and having  characterstic properties like – high dispersion of light, makes it desirable to be used for many applications other than jewelry too. About 75% of worlds mined Diamonds are not suitable for Jewelry.
  • Most famous use of Diamonds is in Engagement rings. It has been used to symbolize engagements since 15th century.
  • The largest ever found Diamond was Cullinan at 3,106 carats.
  • Most of diamonds are atleast 1-3 billion years old, and they are found more than 100 miles below the earth.
  • Thermal conductivity of Diamonds is higher than other colorless gemstone, and is four times higher than copper.

So these were some quick facts on Diamonds. You will find us exploring more with details soon in coming days. If you have anything to share on Diamonds, do email us at – info@jewelstruck.com

Image credit – dbking

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