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The Most Expensive Gemstone in The World

September 5th, 2013 Leave a comment Go to comments

THE MOST EXPENSIVE GEMSTONE IN THE WORLD


By : Ririn Sholiha

Gemstone is a mineral, rock formed from the results of geological processes; the element consists of one or several chemical components that have a high selling price, and the demand by collectors. Gemstone jewelry must be polished before making into jewelry.

In this world does not always contain gemstones. In Indonesia, only few places that contain gemstones, among others in the province of Banten with Kalimayanya, in Lampung with rock types and kinds of the charming wine chrysolite, on the island of Borneo with amethys and diamond. Gemstones have its name from A to Z which is classified according to its hardness, which is known as Mohs scale from 1 to 10. The most favourite gems in the world is that in addition to the crystalline type of precious stones such as diamonds, Emerald, Ruby and Sapphire, stones agate type of wine such as Blue Sky, bungur or amethyst coming from Tanjung Bintang, and many more in regions and other countries.

That was the understanding of gemstones, now let us explain how to find a gemstone, which is now pretty much recognized and used by the public. The following history is:

How to find gemstones ?

Diamond-bearing rock is brought close to the surface through volcanic eruptions. The Magma for such a volcano must originate at a depth where diamonds can be formed 32 -150 km (93 mi) or more (three times or more the depth of source magma volcanoes most). This is a relatively rare occurrence. This surface is usually small volcanic crater extend reduction in the formation known as volcanic pipes contain material that was brought to the surface by volcanic action, but was not ejected before the volcanic activity stopped. During this eruption these pipes are exposed to the surface, so that the open circulation, many xenoliths of surface rock and even wood and fossils are found in volcanic pipes. Diamond-bearing volcanic pipes are closely related to the area of the oldest continental cratons.

This is because cratons are very thick, and the mantle lithosphere they extend to a considerable depth. Not all pipes contain the first stone, and even fewer contain enough diamonds to make mining economically viable.

The Magma in volcanic pipes is usually one of two types of characteristics, which is cool to the igneous rocks known as kimberlite or lamproite, the magma itself does not contain gemstones, but it acts as an elevator that carries rocks formed in the xenoliths, minerals (xenocrysts), and fluids upward. This typical rocks rich in magnesium-bearing olivin, piroksen, and minerals Amphi, which are often altered by heat, for the serpentin and liquid after the eruption. indicator minerals typically occur within diamantiferous kimberlites and used as trackers mineralogy by prospectors, who follow in the footsteps of indicators back to the volcanic pipe which may contain diamonds.

These minerals are rich in chromium (Cr) or titanium (Ti), the elements that provide bright colours for minerals. The most common indicator minerals are chromium garnets (usually bright red chromium-pyrope, and occasionally green ugrandite-series garnets), eclogitic garnets, Orange titanium-pyrope, red high-chromium spinels, dark kromit, bright green chromium-diopside, picroilmenite olivin green glass, black, and magnetite. Kimberlite deposits known as the land of blue to the serpentine over deposits, or as a ground for yellow smektit clay near the surface and carbonate weathered and oxidized portion.

After the first stone was transported to the surface by magma in volcanic pipes, they may scrape out and distributed over a large area. A volcanic pipe containing gemstones popularly known as the main source of the first stone. Secondary sources of diamonds include all areas where a large number of precious stones has been eroded from kimberlite or lamproite matrix, and accumulated because of water or wind action. These include alluvial deposits and deposits along existing shoreline and ancient, where loose gemstones tend to accumulate, because of its size and density. Gemstones are also seldom found in deposits left behind by glaciers (notably in Wisconsin and Indiana), in contrast to alluvial deposits, glacial deposits are small and therefore not viable commercial sources of gemstone.

It’s hard enough finding gemstones, isn’t it?but indeed all need processes and businesses, further information we will inform the list of gemstones or precious stones which can be referred to in the list of the world’s most expensive :

 

1. The Hope Diamond
The Hope Diamond gemstone is one of the most expensive gemstone in the world, History of the gemstones began in the 17th century in India. Now this gemstone is stored in the Smithsonian Institute in Washington DC.

most expensive diamonds in the world

most expensive diamonds in the world

 

 

2. The Allnant
The Allnant gemstone is one of the most expensive gems in the world. This gemstone prices 3 Million dollars, if converted to dollars the prices is 30 Billion.

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3. Jadeite
The Stone that had been a mystery for several years, it has a value of more than USD 3 million per carat. In Hong Kong in 1997, it was used as a gemstone necklace with strands form Jadeite stone, and sold at a price of USD 9.3 million.

world most expensive diamond

world most expensive diamond

 

 

4. Red Diamond
Red stone Diamond is one of the world’s most expensive first stone,the gemstone is red, it’s no wonder that this gemstone is very little found. This gemstone prices reach $ 2.5 million per carat.

most expensive diamonds in the world

most expensive diamonds in the world

 

 

5. The Heart of Eternity
The Heart of Eternity was unveiled in January 2000 as part of the De Beers Millennium Jewels collection, which includes Millennium Star. The Heart of Eternity is featured with ten other blue diamonds, blue diamonds collection reached 118 carats (23. 6 g). De Beers Millennium Jewels were displayed at London’s Millennium Dome throughout 2000. This diamond prices reached 160 billion.

most expensive ring in the world

most expensive ring in the world

 

 

6. Emerald
Emerald gemstone is the most expensive gemstones. While some are considered the most expensive alexandrite stone. In fact, Blue Diamond Carat 6,04 ever auctioned at Sotheby ‘s, Hong Kong, the price reached US $ 7.98 million, or equivalent to Rp 73,9 billion. The diamond is the most expensive diamond in its class.

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emerald engagement rings

 

 

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