Collecting Gemstones
By Lee MacRae
Gemology is a term referring to the science, art and profession of identifying and evaluating gemstones from loose gemstones to natural diamonds. A number of people taken up this profession more as a hobby. They collect and evaluate items like loose gemstone or natural diamonds. A number of these hobbyists start to visit different areas nearby or in other countries to look for raw gemstones. Some even tumble or learn to cut their own gemstones. If this hobby interest you read along as we show you the in and outs of gemstone collecting.
To begin with you'll need the knowledge on the various gemstones available. This will help you to know what you're buying and prevent you from wasting your money. This will help you make informed decisions.
The first criteria you need to evaluate is stone color. It is a fact that gemstones are the most intensely colored naturally occurring materials you can find. Gemstones are so related to color that they've even become associated with particular ones. Without a doubt you will recognize sapphire blue, ruby red, jade green, aquamarine, emerald green or turquoise. Gemstones will have a higher value they closer they are to natural spectral colors of orange, green, yellow, violet and blue. They are valued much less when they are lighter or darker than the natural color.
The cut of the stone is extremely important and factors into appraisal of diamonds but you're gemstones as well. A good cut highlights the pure color of the stone, lessen any inclusions and highlight the proportions and symmetry of the stone. One excellent method to determine the precision of the cut is to consider how well it reflects light on a consistent basis over its entire surface. If the gemstone is cut to shallow much of the light will refract out of the gem rather than reflecting inside the stone. Gem color appears washed out.
Next up is the aspect of clarity. Clarity is the term that refers to the internal conclusions or flaws of the gemstone under consideration. Normally large flaws can easily be seen with the naked eye with the others needing a 10X magnification.
Gemstones are often categorized according to their size because of being more uniform than carat weight. But two different gemstones may have the same size but differ in carat weights and as a result different prices as well. This factor comes from the difference of 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 comparable a brilliant ruby of the same proportions in size will weigh approximately 1.55 carats.
Collecting various gemstones can be very rewarding hobby. And there is a wide range and variety in precious and semi precious stones that you can collect. You can collect gemstones like Diamond, Tiger's-eye or Iolite and then try others. The opportunities are seemingly endless. And if you like to save money but love vacations you can go hunting for raw gemstones. Take the example of the United States. In Arizona you can find Agatized wood (Petrified wood), Azur-Malachite, Turquoise, Garnet, Peridot, Jasper and Moissanite
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More Information On precious loose gemstones
Turquoise is a stone of self realization that helps you to better understand
yourself. It is an excellent grounding stone helping to ground the wandering
spirit. Those who have a lot of energy might tend to avoid grounding stones
because they think it will slow them down. However, turquoise allows the energy
pack to remain open. Turquoise helps us to communicate clearly and absorbs
negativity.
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In Australia, Cambodia and Thailand sapphires have developed over millions of
years from rich deposits of molten carbonatite that has a lot of aluminum mixed
with it. At first they were situated deep in the earth's crust where there was a
presence of high pressure and extremely high temperatures. It was basalt
volcanic activity that propelled them to the surface along with other minerals,
and finally they were laid to rest on the valley floors.
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So You Want To Collect Gemstones
By Lee MacRae
The term gemology refers to the art, profession and science of evaluating and identifying rocks known as natural diamonds or loose gemstones. Many people take up gemology more as a hobby. They become interested in collecting loose diamonds or loose gemstones. Some people even begin to visit various locations close by or possibly even in other countries to look for raw gemstones. Some hobbyists will learn to cut or tumble the gemstones they find. If this sounds like a hobby you would like to get involved in read along as we show you the different aspects of this hobby.
To begin with you'll need the knowledge on the wide variety of stones available. This knowledge will help you to know what exactly you're looking for so you buy the right items. Get the answer to questions like how, where and what to buy.
The first criteria you need to evaluate is stone color. Gemstones are the most intensely colored natural materials you can find. Gemstones are so related to color that they've even become associated with particular ones. Without a doubt you will recognize sapphire blue, ruby red, jade green, aquamarine, emerald green or turquoise. Gemstones are valued much higher the closer they are to the colors in the spectrum of orange, green, yellow, violet and blue. They drop in value the farther they are from the natural color.
How the gemstone has been cut is the second most important factor to consider before buying. The precision of the cut determines the amount of light the stone will reflect. It will ultimately determine the brilliance of the stone and how much it will be valued.
Gemstone clarity is our next factor. When we talk of clarity it relates to a stones relative freedom from inclusions or blemishes. A gemstones that is normally found to be clean is definitely worth much more. To see flaws beyond with the eye can see requires a gemstone loupe or gemstone microscope. Serious hobbyists will use a jewelers diamond gemstone loupe 10X for examining coins, stamps and of course gemstones.
Another consideration is the duo of weight and size. Because gemstones can vary in density or specific gravity. Size and weight are not necessarily equal from stone to stone. If you have a diamond that weighs 1.00 carats an equal sized ruby would weigh 1.20 carats instead. An equal sized Emerald would be 0.95 carats while an Alexandrite gemstone would be about 1.23 carats.
Although gemstones are normally used for jewelry, they are perfectly good collectibles in their own right. Actually there are many interesting and attractive gems that are simply too big and fragile for use in jewelry. Take each loose gemstone and Think of it as a mini sculpture or piece of art to be highly treasured for its unusual nature and for the craftsmanship of the artisan who shaped it. And in this hobby you don't have to always lay out cash because you can use vacation time to actually hunt for raw gemstones in stead of buying. In the United States in Missouri you can hunt for Pearl, Fluorite, Pyrite and Calcite. And if you travel to Canada you will find nephrite jade in Mount Sidney Williams, British Columbia or labradorite on the adjacent islands and coastal area of Labrador as well as hessonite garnet in Asbestos, Quebec. Take up a hobby of loose gemstone collecting and enjoy yourself.
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Hints On loose natural gemstones
Historically the finest sapphire gems came from Sri Lanka and Burma, and the
same is prettymuch true today. Sri Lanka, nicknamed the "Gem Island," has been
an important source of sapphires, rubies and other gemstones for more than two
thousand years. The stones that have been eroded from Sri Lanka's central
mountains are still plucked by hand from gravel deposits that cover most of the
southern half of the island. Sapphires from Sri Lanka are typically light to
medium blue, and gemstones have been cut that weigh up to several hundred carats
. The National Gem Collection boasts one of the largest fine blue sapphire gems,
the 422.99-carat Logan Sapphire from Sri Lanka. It is the heaviest mounted gem
in the National Gem Collection, and is framed in a brooch setting surrounded by
twenty round brilliant-cut diamonds, totalling 16 carats. The piece was a gift
to the Smithsonian Insitute from Mrs. John A. Logan in 1960.
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Most blue gemstones come in a pastel blue, but some exceptional gems have a
bright blue color. Zircon is also available in green, dark red, violet, yellow,
brown, and orange. Due to its high refractive index and strong dispersion,
zircon has great brilliance and intensive fire. The luster is vitreous to a
brilliant sheen. Although relatively hard (rating 6.5-7.5 on Mohs scale) zircon
is brittle and therefore sensitive to knocks and pressure. The gem has the
tendency to wear along facet edges. Its use in rings should therefore be limited
to protective settings or occasional wear jewelry. Zircon jewelry should be
stored carefully.
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Amethyst is also considered sacred in Buddhism. Purple is a color long associated with royalty so it is no surprise that kings and queens have long loved Amethyst. Its use can be traced back to the Minoan period in Greece (2500 B.C.), and at one time the scarcity of this gem made it almost as valuable as diamonds.
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Africa - a continent of hope and despair - Ceylon Daily News
Wed, 17 Dec 2008 19:33:32 GMT
 Ceylon Daily News | Africa - a continent of hope and despair Ceylon Daily News, Sri Lanka - Some of the world’s largest reserves of fossil fuels, metallic ores and gems and precious metals are found in Africa. Africa has about 30 per cent of the ... |
Arts & Leisure - BusinessWorld Online
Sun, 07 Dec 2008 14:19:34 GMT
 BusinessWorld Online | Arts & Leisure BusinessWorld Online, Philippines - Ms. Keth’s designs follow a number of traditional silhouettes, all of which put emphasis on the waist, and even with the loose garments one gets a hint of ... |
Moissanite Jewelry - Jewelry Weblog
Thu, 01 Jan 2009 11:56:35 GMT
Moissanite Jewelry Jewelry Weblog, CA - Unlike other brilliant stones that cloud and dull with time, Moissanite is guaranteed to never lose its optical properties. Therefore, it will be every bit ... |
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Starting To Collect Gemstones
By Lee MacRae
Many people today say collecting various loose gemstones or loose diamonds is a favorite pastime. They love the colors and the beauty Of the assorted number of gemstones you can find just about everywhere in the world. This article will discuss a number of things you need to know in starting in this hobby.
The first thing you need to do in becoming a gemstone collector the intelligent way is by acquiring knowledge about them. By visiting a local library you can find books on the subject that will prevent you from making mistakes at the start.
One of the first things you look at Is gemstone color. Highly prized gemstones exhibit colors similar to the purest spectral colors of yellow, blue, Violet, green, orange or red. Muted gemstone colors or too dark lowers the value per carat.
Gemstone cut is very important and factors highly into the appraisal of not only diamonds but gemstones as well. A precision cut gemstone highlights the natural color of the gemstone, lessen any inclusions and show off its symmetry and proportions. One way of determining the excellence in gemstone cut is to consider how well and consistent it reflects light over its entire surface. If the stone is cut on the shallow side much of the light will refract out of the gem rather than reflecting inside the stone. Gem color appears washed out.
The clarity of a gemstone is an important consideration. When we talk of clarity it relates to the amount of inclusions (trace elements or large particles of other elements or minerals) that a gem has. A perfect gemstone is more valuable. To examine flaws not seen with the naked eye you need a gemstone loupe (gemstone clarity magnifier) or gem microscope. Many hobbyists will employ a 10X jewelers were gemstone loup for viewing stamps, coins, beads as well as gems.
Next up are size and weight. Except for corals and pearls, all gemstones are priced by the carat. One carat equals a 0.2 grams. However you should know size and weight and gemstones are not the same. Density or specific gravity can very. Take a diamond that weighs 1.00 carats and you will see that a Sapphire or ruby of the same size would weigh 1.20 carats.
Although gems are frequently used in jewelry, they are a great hobby and pastime as well. In fact, there are many attractive and interesting gemstones that are too fragile or too large to be used 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 some hobbies that require you to pay for your specimens you can actually go hunting for raw gemstones in the field. In the United States in Oregon you'll find Agate, Obsidian, Hydrolite and Sunstone. And if you travel to Canada you will find nephrite jade in Cry Lake, British Columbia or sodalite and rose quartz near Bancroft, Ontario and even iolite from Manitouwadge, Ontario. Think of collecting gemstones as a great hobby and pastime.
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Learn More About loose emerald gemstones
The 1990 U.S. output of natural gemstones was primarily from Tennessee,
California, Arizona, Arkansas, Montana, Nevada, and Maine. An estimated 80,000
visitors found a total of 315 carats of diamonds in the Crater of Diamonds State
Park in Arkansas. There were sizeable yields of freshwater pearls in Tennessee,
turquoise in Arizona and Nevada, tourmaline in Maine, and tourmaline, kunzite,
and garnet in California. U.S. production of commercial gems includes agate,
beryl, freshwater pearl, garnet, jade, jasper, mother-of-pearl, opal, peridot,
quartz, sapphire, tourmaline, and turquoise.
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Agate is a type of Chalcedony. It is an uncommon stone. Agate is a great ston
to buy if you want "something different". There are several types of agate.
Common ones are: blue lace agate, fire agate, moss agate, tree agate and
petrified wood. One will often see these in agate cabochons or agate beads. I've
seen agate pendants, necklaces and bolo ties that look stunning.
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