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Collecting Gemstones

By Lee MacRae

Gemology is 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 interested in collecting loose diamonds or loose gemstones. You'll even find some that like to travel to different areas close by or even taking a trip to other countries to hunt for raw or rough 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 discuss the various factors in gemstone collecting.

The very first step in beginning this hobby the right way is through the power of knowledge. By taking a quick trip to the library or local bookstore you can find everything you need to know that will make you an informed buyer.

The first criteria you need to evaluate is stone color. Gemstones are the most intensely colored natural material available on earth. These materials are so related to their color that they've even had their names combined with associated colors. Everyone knows ruby red, emerald green, sapphire blue, aquamarine, turquoise, and jade green Gemstones will have a higher value the closer they are to the colors in the spectrum of violet, blue, green,, orange and red. They are valued much less the more they deviate from the spectral color.

The cut of the gemstone is the second most important factor to take a look at. The precision of cut determines the amount of light the stone will reflect. The cut will determine the brilliance of the stone and how much it will be valued.

The next factor to look at is the clarity of the gemstone under consideration. This is talking about the gemstones purity with no internal conclusions, particles or spots inside the crystal. Needless to say, stones with no flaws would make the gemstone highly valuable.

Gemstones are often listed according to size since it is more uniform than carat weight. But two different gemstones may have the same size but have different carat weights that result in different pricing structures. This is due to gemstone difference of specific gravity or relative density depending upon the materials chemical composition and characteristic crystalline structure. For example, a one carat round diamond with normal proportions is approximately 6.5 mm around. A ruby that is the same size will weigh in at 1.55 carats.

Although gems are frequently used in jewelry, they are a great hobby and pastime as well. Actually there are many interesting and attractive gems that are just too big or fragile to be used for jewelry. Take each loose gemstone and 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 actually go hunting for raw gemstones in the field. In the US in Oregon you'll find Agate, Obsidian, Hydrolite and Sunstone. And in Canada you can find nephrite jade in Mount Sidney Williams, British Columbia or amazonite (microcline) near Lac St-Jean, Quebec along with iolite from Manitouwadge, Ontario. Think of gemstone collecting for the great hobby it is.

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A semi-precious gemstone includes any gemstone other than sapphire, emerald or ruby. The value of semi-precious gemstones can vary depending on the availability of the mineral; natural black opal, for example, is hard to come by and more valuable than most other semi-precious stones. As a rule, however, semi-precious stones are always more plentiful than precious stones. That makes it easier to find large, well-colored, very clean stones appropriate for jewelry. In addition, the wide range of colors available makes semi-precious stones the choice for people who want to create their own look with their jewelry.
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Obsidian is fairly fragile. treat obsidian carefully as sharp blows will cause
it to crack. Obsidian is most often found in Hawaii, Japan and Java. However, it
can be found in all areas with volcanic activity. Apache tears are dark obsidian
pieces found in Arizona and New Mexico. It is said that gemstone healers use
obsidian to get clearer insight into problems. In ancient times, obsidian was
used as mirrors. Sharp shards of obsidian were formed into arrowheads.
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Peridot location and deposits. Historically the volcanic island Zabargad (St. John) in the Red Sea, east off Egypt, was the most important deposit that was exploited for 3500 years, abandoned for many centuries, rediscovered only around 1900 and has been completely exploited since. The most important deposits nowadays are found in Pakistan (Kashmir region and Pakistan-Afghanistan border region) and is regarded as being of the finest quality. Beautiful material is also found in upper Myanmar and Vietnam. Other deposits have been found in Australia (Queensland), Brazil (Minas Gerais), China, Kenya, Mexico, Norway (north of Bergen), South Africa, Sri Lanka, Tanzania and the United States (Arizona and Hawaii).
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