The Gemstones Review
Featured Gemological ArticleCollecting Prescious And Semi-Prescious Stones
By Lee MacRae
For many people collecting various
loose gemstones or
loose diamonds is a favorite pastime. Many people have a great love Of the assorted number of gemstones found around the world today. Follow along as we look at a number of factors you should understand when starting to collect gemstones yourself.
To begin with your first priority is to get yourself some reading material. You want to understand as much as possible about precious and semiprecious gemstones. The more you understand about gemstones the wiser will be your purchases. You will know exactly what you are looking at.
One of the first things you look at Is gemstone color. Top grade gemstones have pure colors there as close as possible in pureness to the spectral colors of red, orange, yellow, green, blue or violet. Muted gemstone colors or are too dark lowers the value per carat.
Gemstone cut is very important and factors into appraisal of diamonds along with gemstones. A precision cut will highlight the gemstone's color, lessen any inclusions and show off its symmetry and proportions. One excellent way to determine the excellence of the cut of the stone is to consider how consistently it reflects the light over its entire surface. If the gemstone is cut to shallow most of this light were refracted away rather than reflecting internally. Gemstone color will be washed out.
The clarity in a stone is the next item to consider. Clarity refers to the absence of flaws or blemishes inside the stone. Generally speaking, a clearer stone is obviously valued highly. To see flaws beyond with the eye can see requires a 10X gemstone loupe or gemstone microscope. Many hobbyists will get a jewelers diamond gemstone loupe 10X for examining coins, stamps and of course gemstones.
You will often find that gemstones are often listed according to their size aspect because of being more uniform than carat weight. But two different gemstones may be the same size but different carat weights and consequently, different prices as well. This is due to the nature of gemstone difference in relative density or specific gravity and depends on the materials chemical composition and crystalline structure. A one carat round brilliant diamond, for example of typical proportions will be approximately 6.5 mm in diameter. A comparable round brilliant ruby of the same size and proportions will weigh in at 1.55 carats instead.
Taking up the collecting of loose gemstones can be a great hobby. And there is such a variety in precious and semi precious stones that you can collect. You can collect gemstones like Emerald, Sugilite Cassiterite for example. The opportunities are seemingly endless. And if you like a hands on hobby you can find gemstones for yourself instead of buying. Take the example of the United States. In New Mexico you'll find Turquoise, Garnet, Peridot, Rock Crystal and Obsidian
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Coming off their best-ever season and being ranked in the preseason polls for the first time in their history, it wouldn’t have surprised anyone if the No. 12 Rutgers Scarlet ...
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Information On Gemstones
Our Featured Gemstone WriterSo You Want To Collect Loose Gemstones
By Lee MacRae
The term gemology refers to the profession, science, and even art of evaluating and identifying gemstones from
natural diamonds to
loose gemstones. A number of people taken up this profession as a hobby. They become very interested in starting to collect
loose gemstones or
loose diamonds. You'll even find some that like to visit various local locations to look for rough gemstones. Some of them will even tumble or finish off the gemstones themselves. If this hobby interest you read along as we discuss the different aspects of this hobby.
Right at the beginning, what you need is to visit the library and get some books. You want to understand everything there is to know about precious and semiprecious gemstones. The more you understand about the hobby of gemstones the less likely you are to make a mistake. You will know exactly what to look for.
The chief thing you need to take into account is stone color. You'll want the gemstone to be as close as possible to the pure spectral colors. The spectral colors are violet, orange, yellow, green, blue, and red. The prices of very dark are very pale semiprecious and precious gemstones are less per carat.
The cut of your gemstone is an important factor to consider when buying a gemstone. The cut has to be done in a way that reflects light back to the viewer. A poor cut will not reflect the light consistently. Color saturation, hue and tone will always look inconsistent.
Next up is gemstone clarity. Clarity refers to the the internal conclusions or flaws of the gemstone. Any large flaws are visible to the unaided eye with the others needing a 10X magnification.
Next on the agenda is the duo of weight and size. Due to their nature gemstones can vary in density or specific gravity. Weight and size are not equal for each and every stone. If you have a diamond that weighs 1.00 carats a ruby of equal size would weigh 1.20 carats. An emerald stone would be about 0.95 carats and an Alexandrite gemstone would be about 1.23 carats.
Taking up the collecting of loose gemstones can be very rewarding hobby. And there are so many different types in precious and semi precious stones that you can collect. You can collect gemstones like Olivine (Peridot), Sapphire or Onyx for instance. The opportunities are seemingly endless. And if you like a hands on hobby you can go hunting for raw gemstones. For example in Minnesota you can hunt for Agate and Thomsonite.
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The Argyle Diamond Mine is owned by the Rio Tinto Group who also owns the Murowa
mine in Zimbabwe and the Diavik Diamond Mine in Canada. Argyle is presently the
largest diamond producer in the world. It is the only place in the world where
large volumes of pink diamonds are mined. It is an open pit mine, located 1200
miles from Perth that has been in operation since the company began business.
There is a plan to begin underground operations in the near future.
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The Star of India, at 563.35 carats, is the largest and most famous star
sapphire in the world. Formed some 2 billion years ago, it was discovered,
allegedly more than 300 years ago, in Sri Lanka, where excellent sapphires are
still to be found in deposits of sand and gravel left by ancient rivers.
Industrialist and financier J. P. Morgan presented the sapphire to the New York
Museum of Natural History in 1900. Today, the Star of India is one of the most
renowned objects in all of the Museum's collections.
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All The Latest News From The loose gemstones World
Tough, yet precious - Gilroy Dispatch
Wed, 15 Oct 2008 22:43:34 GMT
Tough, yet preciousGilroy Dispatch, CA - 13 hours agoCarat Weight: Like all precious stones, the weight of a diamond is expressed in carats; a tradition since jewelers weighed gemstones in relation to the ... |
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International Delegations Set to Visit ICA Gem Show Dubai - Diamonds.netThu, 25 Sep 2008 09:03:19 GMT
International Delegations Set to Visit ICA Gem Show DubaiDiamonds.net, NY - Sep 25, 2008... Brazil, Colombia, France, Germany, Hong Kong, Japan, Tanzania, Thailand and the USA will display loose gemstones, pearls and finished jewelry. ... |
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Why I Like Gemstones
Gemstone Article Of The MonthSo You Want To Collect Loose Gemstones
By Lee MacRae
Why would anyone collect items like
loose gemstones, you ask? For many people it's because they've been sought for their beauty for many centuries. And just like
natural diamonds they can become extremely valuable over the years. Many people love to collect and work with the wide variety of gemstones available today. Follow along as we look at the hobby of collecting
loose gemstones.
The very first step in becoming a gemstone collector the proper way is by acquiring knowledge about them. By taking a look in your local bookstore you can find books on the subject that will make you an informed buyer.
First on your list to consider will be the color of the gemstone. You'll want the gemstone that is as close as possible to the pure colors of the spectrum. We are talking about blue, green, yellow, orange, red and violet. In general terms, the prices of very dark are very pale precious and semi precious stones are lower in value.
Gemstone cut is an important aspect to consider in determining gemstone value. The gemstone must be cut with precision to reflect the light properly. A stone that has a poor cut will never be able to reflect light consistently. The hue, tone and color saturation will never be consistent.
Gemstone clarity is the next item to consider. Gemstone clarity relates to the absence of flaws or blemishes inside the stone. A perfect gemstone is definitely worth much more. To see flaws beyond with the eye can see you need a gemstone loupe (gemstone clarity magnifier) or gem microscope. Many hobbyists will use an inexpensive 10X gemstone or jewelers loup for examining coins, stamps and of course gemstones.
Next comes weight and size. Other than the corals and pearls gemstones are priced by the carat. A carat is equal to 0.2 grams. However you should know size and weight and gemstones are not the same. Density or specific gravity can very. If you have a diamond that weighs 1.00 carats, you will find a similar sized ruby or sapphire weighs 1.20 carats.
Though you may find gemstones used a lot in jewelry, loose gemstones are great for collecting. Actually there are many interesting and attractive gems that are simply too big and fragile for use in jewelry. Here's a suggestion -- don't think of a gem as a component of jewelry; Think of it as a mini sculpture or piece of art to be highly treasured for its beautiful colors and the finish you apply to it. And unlike many hobbies where you have to buy everthing you can find your raw materials through field trips In the United States in New York you can find Beryl, Brown Tourmaline, Rose Quartz as well as Fresh Water Pearl. And if you travel to Canada you will find nephrite jade in Mount Ogden, British Columbia or labradorite on Tabor Island, and even iolite from Manitouwadge, Ontario. Take up a hobby of loose gemstone collecting and enjoy yourself.
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The most important mine for Tiger Eye is in South Africa. Tiger Eye is the
anniversary gemstone for the 9th year of marriage. Tiger Eye is used for
focusing the mind. Tiger Eye was thought to be all seeing due to its appearance.
It has been said that Tiger Eye offers protection during travel.
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Selenite helps to align you with higher consciousness. As you develop
spiritually it is beneficial to allow yourself to listen to or sense guidance
from your higher self, spirit guides or angels. This stone opens the crown
chakra to receive transmissions of information and wisdom. On a physical level
it helps with the spine, bone and muscular structure of the body. Selenite is a
white stone, though recently I have found red selenite (it looks orange to me)
that can re-align the emotional structure of one�s consciousness.
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More loose cut gemstones Information
Pakistan to participate in Dubai ICA Gem Show - The Post
Fri, 10 Oct 2008 20:14:39 GMT
Pakistan to participate in Dubai ICA Gem ShowThe Post, Pakistan - Oct 10, 2008This would be a B2B gem show tailored especially for the loose coloured gemstone industry featuring the world's most prominent coloured stone merchants and ... |
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More Info On Gemstones
Gemstone Scene ArticleThe Hobby Of Loose Gemstone Collecting
By Lee MacRae
Many people today say collecting
loose gemstones or
loose diamonds is their favorite hobby. They simply love the beauty and the colors Of the assorted number of gemstones found worldwide today. This article will discuss a number of things you need to know in starting in this interesting hobby.
The first step in beginning this hobby the smart way is by acquiring knowledge about them. By taking a quick trip to the library or local bookstore you can find everything you need to know that will help you to know exactly what you should do.
The first criteria you need to evaluate is stone color. Without a doubt, gemstones are the most intensely colored natural materials you can find. These materials are so related to their color that they have even lent their names to specific colors. Everyone knows ruby red, emerald green, sapphire blue, aquamarine, turquoise, and jade green Gemstones are valued much higher when they equal the colors in the spectrum of red, orange, yellow, green, blue, and violet. They are valued much less the farther they are from the spectral color.
Gemstone cut is very important and is used not only to appraise diamonds along with gemstones. A precision cut gemstone highlights the natural color of the gemstone, diminishes its inclusions, and show off its symmetry and proportions. One way to determine the precision of gemstone cut is to consider how well and consistent it reflects light over its entire surface. But if a gem is cut too shallow, most of this light were refracted away rather than reflecting inside. That will make the gem seem washed out and windowed.
A third consideration is the clarity of the gemstone under consideration. This is talking about the purity of the gemstone or the lack of internal inclusions, spots, or particles within the crystal. Obviously, stones with a lack of flaws will make a gemstone very valuable.
You will note that gemstones are categorized according to their size since it is more uniform than carat weight. But two different gemstones may be of the same size but differ in carat weights and as a result different pricing structures. This is due to the difference regarding specific gravity or relative density depending upon the materials chemical composition and crystal structure type Normally a one carat brilliant round diamond of typical proportions will be approximately 6.5 mm in diameter. A ruby that is the same size will weigh in at 1.55 carats.
Taking up the collecting of loose gemstones can be a great hobby. And there is a wide range and variety when it comes to gemstones. You can collect gemstones like Lapis lazuli, Citrine or Onyx for instance. The opportunities are seemingly endless. And if you like a hands on hobby you can go gemstone hunting and find the raw materials instead of buying them. Take the example of the US. In North Carolina you can find Beryl, Aquamarine, Emerald, Almandite Garnet, Rhodolite, and Pyrope Garnet, Diamond, Cyanitecomma
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The Mandalay Ruby. This 48.019-carat cushion-shaped ruby was offered for sale by
Sotheby�s New York on October 18th, 1988 but received no bids. Sotheby�s implied
that it may have been the 47-carat J.N. Forster Ruby, which was found sometime
before 1877, but this is quickly ruled out. Two large Burma rubies brought to
England in 1875, weighing 37 and 47 carats. These were put on the market by the
Burmese royal family and were later recut by Forster to 32 5/16 and 39 9/16 ct (
or 38 9/16 ct); one sold for �10,000, the other for �20,000, respectively.
Sotheby's also implied at the same time that it could be one other famous yet
unnamed ruby weighing 46� carats; oblong in form (probably cut); mounted in a
brooch with four brilliant-cut diamonds and sold (or bought in) at Christie's of
London on May 7th, 1896 for �8000. Many doubt this version of its history as
well.
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Most carnelian on the market is stained chalcedony from Brazil or Uruguay.
Carnelian is placed in the sun to change brown tints to red. The best carnelian
is found in India. Carnelian is used for clear thinking. It is said to help
balance creativity and mental processing.
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Some loose diamons Stories
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