Our Featured Gemstone ArticleHow To Collect Gemstones
By Lee MacRae
Gemology is the science, art and profession of identifying and evaluating rocks known as
natural diamonds or
loose gemstones. A number of people taken up gemology more as a hobby. They become interested in making a collection of items like
loose gemstone or
natural diamonds. You'll even find some that like to visit different local areas to look for rough gemstones. Some even tumble or learn to cut their own gemstones. If this hobby interest you then read along as this article discusses the in and outs of gemstone collecting.
The very first step in starting the hobby of collecting gemstones the smart way is by acquiring knowledge about them. By taking a quick trip to the library or local bookstore you can find books on the subject that will prevent you from making mistakes at the start.
First, color is a major part in evaluating a gemstone. The closer the color comes to its purer spectral value the more valuable it is. Remember that the spectral colors are yellow, blue, Violet, green, orange and red. Gemstones colors that are paler or darker than the pure spectral color diminish the value of the stone.
Gemstone cut is very important and is used not only to appraise diamonds but gemstones as well. An excellent cut will showcase the gemstone's color, lessen any inclusions and exhibits good overall symmetry and proportion. One excellent way to determine the excellence in the cut is to look at how well it reflects light on a consistent basis over the stones complete surface. If the stone is cut on the shallow side most of this light were refracted away rather than reflecting inside. That will make the gem seem washed out and windowed.
Next to look at is the aspect of gemstone clarity. Clarity refers to the the internal conclusions or flaws of the gemstone. Any large flaws are visible to the unaided eye with others requiring a 10X magnification.
You will note that gemstones are categorized according to their size criteria because it is 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 gemstone difference of specific gravity and depends on the materials chemical composition and characteristic crystalline structure. For example, a one carat round diamond with standard 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 such a variety in precious and semi precious stones that you can collect. You can collect gemstones like Agate, Spinel or Kornerupine for instance. The varieties are nearly endless. And if you like a hands on hobby you can go hunting for raw gemstones. Take the example of the US. In New Jersey you can find Smoky Quartz, Agate, Pearl and Prehnite.
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Mary Pickford was never shown on film wearing more jewelry than a string of
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Dispersion is the splitting of white light into its spectral colours, as with light transmitted through a prism. It is also called fire when describing the dispersion seen in gemstones; diamond is a good example with a high dispersion value. Diamonds may be cut to increase dispersion at the sacrifice of brilliance or vice versa as described above in the brilliance description. The fire in opal is caused by the dispersion of light through its unique hydrous silica structure. The amount of dispersion in gemstones can be given in figures, but is generally described simply as low, medium and high.
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Information On Gemstones
Collecting Loose Gemstones
By Lee MacRae
Many people today say collecting semi-precious and precious gemstones like
loose diamonds or
loose gemstones is a passionate hobby. They love the colors and the beauty of the wide array of gemstones found around the world today. Follow along as we examine the things you need to know when starting this gemstone hobby.
To begin with you need to learn all you can on the various gemstones available. This knowledge will help you to know what exactly you're looking for so you buy the right items. Without the proper knowledge you can make costly mistakes.
First on the list to evaluate is gemstone color. Gemstones are the most intensely colored natural material available on earth. Gems have become so synonomous with color, they've even had their names combined with associated colors. You've no doubt heard about emerald green, ruby red, sapphire blue, jade green, turquoise or aquamarine. Gemstones will have a higher value they closer they are to natural spectral colors of red, orange, yellow, green, blue, and violet. They drop in value the farther they are from the spectral color.
Cut is one of the all-important 4Cs and is used not only to appraise diamonds but along with your gemstones. An excellent cut will showcase the natural color of the gemstone, diminishes its inclusions, and exhibits good overall symmetry and proportion. One way of determining the excellence of its cut is to check how consistently it reflects the light throughout its surface. If the stone is cut on the shallow side most of this light were refracted away instead of reflecting internally. Gem color appears washed out.
The clarity of a gemstone is an important consideration. Gemstone clarity 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 determine the flaws not seen with the unaided eye you need a gem microscope or 10X gemstone clarity magnifier. Most hobbyists will employ a 10X jewelers were gemstone loup for viewing stamps, coins, beads as well as gems.
Next item to look at is the duo of weight and size. Due to their nature gemstones vary and specific gravity or density. Size and weight are not necessarily equal from stone to stone. If a diamond of a certain size weighs 1.00 carats then a sapphire of equal size would weigh 1.20 carats. An equal sized Emerald would be 0.95 carats while an Alexandrite would be about 1.23 carats.
Collecting gemstones as a hobby can give you an enjoyable pastime and also rewarding in the long run. You can start small and don't have to spend a lot of money and yet you can end up with some very beautiful stones. Many people love to set aside vacation or weekend time to go hunting for raw gemstones. Take the example of the US. In California you can find Agate, Benitoite, Californite, Diamond, Citrine, Tourmaline, Abalone Pearl, Kunzite, Chrysopras And if you like to travel farther you can find opal in Coober Pedy, Andamooka or Mintabie in South Australia, topaz in Killiecrankie, Tasmania or hunt in the garnet fields in Fullarton River in Queensland, Australia.
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Carats are a measure of weight in gemstones. Due to variations in the chemical composition and density of various types of gemstones, a one carat (1.00 ct.) stone will vary in size depending on the type of gemstone.
For instance, the density of a topaz is greater than the density of a peridot; therefore, the same weight of a one carat topaz will physically be a smaller stone than the same weight of a peridot which will be a larger stone
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To determine the rarity of a stone, you must take into account the mineral group, it's quality, and the source of the stone. For example, not all emeralds are considered rare due to the fact that there are still large deposits of emeralds available throughout the world. Emeralds of excellent color and proportion are very rare and collectible, commanding many thousands of dollars.
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Our Featured Gemological ArticleThe Hobby Of Loose Gemstone Collecting
By Lee MacRae
Why collect
loose gemstones you ask? For many people it's because they are very beautiful items. And like their more familiar cousin,
natural diamonds, their value increases over time. Many hobbyists love to collect and work with each and every one of the 150 varieties available. This article will discuss the hobby of
loose gemstone collecting.
First off you need to learn all you can on the wide variety of stones available. This will help you to know what you're buying so you buy the right items. This will help you make informed decisions.
The chief thing you need to look at will be stone color. You'll want the gemstone to be as close as possible to the pure spectrum colors. We are talking about violet, orange, yellow, green, blue, and red. The prices of very dark are very pale precious and semi precious gemstones are lower than the vibrant colors.
The cut of the stone is extremely important and is used not only to appraise diamonds but along with your gemstones. An excellent cut will highlight the pure color of the stone, diminish any inclusions, and exhibits good overall symmetry and proportion. One way of determining the excellence regarding the cut of the gemstone is how well it reflects light on a consistent basis over the stones complete surface. If the stone is cut on the shallow side most of this light were refracted away instead of reflecting internally. The gem appears washed out.
Next up is the clarity of the gemstone. Clarity is the term that refers to the internal conclusions or flaws of the gemstone. Normally large flaws are visible to the naked eye while others need a 10X magnification.
Next item to look at is the duo of size and weight. Because gemstones can vary in density or specific gravity. Weight and size are not necessarily equal across the board. If a diamond of a certain size weighs 1.00 carats then a sapphire of equal size would weigh 1.20 carats. An Emerald of equal size would be approximately 0.95 carats while an Alexandrite gemstone would be about 1.23 carats.
Although gems are frequently used in jewelry, loose gemstones are great for collecting. In fact, there are many attractive and interesting gemstones that are simply too big and fragile for use in jewelry. Look at each stone and consider it as a piece of art and value it 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 use vacation time to actually hunt for raw gemstones in stead of buying. In the US in Pennsylvania you can find Amethyst, Almandite Garnet and Pyrope Garnet, Beryl, Sunstone and Moonstone. And in Canada you can hunt for nephrite jade in Mount Ogden, British Columbia or labradorite on Tabor Island, and even ammolite from Lethbridge, Alberta. Take up gemstone collecting and you won't regret it.
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The weight of a diamond is measured in carats (ct.). Each carat is divided into
100 points. For example: 1ct.= 100 points, 1/2 ct. = 50 points. Points in a
fraction are measured within acceptable ranges. For example: a 1/2 ct diamond
pendant may have a range of + or - .06 points. In other words, the total diamond
weight may vary from .44 to .56 points and still be considered a 1/2 carat.
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Dispersion is the splitting of white light into its spectral colours, as with light transmitted through a prism. It is also called fire when describing the dispersion seen in gemstones; diamond is a good example with a high dispersion value. Diamonds may be cut to increase dispersion at the sacrifice of brilliance or vice versa as described above in the brilliance description. The fire in opal is caused by the dispersion of light through its unique hydrous silica structure. The amount of dispersion in gemstones can be given in figures, but is generally described simply as low, medium and high.
Buy round blue loose gemstones today!
Amber is a yellow stone created from the fossilized resin of trees. It is
wonderful for big earrings as it has a very light weight. Most jewelry can be
made from amber though it can be easily scratched so is not recommended for
rings.
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More purchase loose diamonds Info
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