The Best Information On Gemstones
Collecting Prescious And Semi-Prescious Gemstones
By Lee MacRae
The term gemology refers to the science, art and profession of identifying and evaluating gemstones from natural diamonds to loose gemstones. A number of people taken up gemology as a hobby. They become interested in collecting loose gemstones or loose diamonds. Some people even begin to visit various local locations to hunt for raw or rough gemstones. Some of them will even tumble or finish off the gemstones themselves. If you have an interest in this hobby read along as we show you the various factors in gemstone collecting.
The very first step in starting the hobby of collecting gemstones the intelligent way is through the power of knowledge. By taking a look in your local bookstore you can find everything you need to know that will prevent you from making mistakes at the start.
Color is a very important part in giving value to a gemstone. The closer the color of the gemstone is to its pure spectral color the more highly prized it is. Remember that the spectral colors are orange, green, yellow, Violet and blue. Gemstones colors that are paler or darker than the pure color tend to be less valued.
The cut of the stone is extremely important and factors highly into the appraisal of not only diamonds along with gemstones. A good cut showcases the gemstone's color, diminishes its inclusions, and show off its symmetry and proportions. One way of determining the excellence in the cut is to look at if it is able to reflect light on a consistent level throughout the surface of the stone. If the gemstone is cut to shallow much of the light will refract out of the gem instead of reflecting inside the gemstone. Gemstone color will be washed out.
Next to look at is the issue of gemstone clarity. Clarity refers to the internal flaws (inclusions) or the external blemishes of the gemstone under consideration. Larger flaws are visible to the naked eye with others requiring a 10X magnification.
The next factors to consider our size and weight. Save for pearls and corals, all gemstones are priced by the carat. One carat is the equivalent of 0.2 grams However you should know size and weight and gemstones are not the same. The density and specific gravity can differ in stones. If you have a diamond that weighs 1.00 carats, you will find a similar sized sapphire or ruby weighs out at 1.20 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 start collecting gemstones like Lapis lazuli, Citrine or Axinite 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 Wyoming you can find Agate (including Moss Agate), Jade, Ruby, Jasper, Bloodstone as well as Star Sapphire.
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Learn More About diamond naturals
A natural gemstone is any stone that has crystallized in the earth unassisted by man before it is mined. Gemstones are rated on the Mohs Scale of Hardness which indicates the durability of the stone in jewelry. Minerals are ranked from the softest (1 for talc) to the hardest (10 for diamond). The natural gemstones most commonly used in our jewelry line include: amethyst, blue topaz, diamond, garnet, moonstone, and onyx.
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The common opal is quite a departure from the precious opal. There are several
different types of common opals: the milk opal, opals with blue and green tints,
resin opal, and a wood opal. There are also opals that can be found around hot
springs and geysers. They are a clear glass opal made up of geyserite. There are
other varieties of opals most notably the fire opal and Peruvian opal. Mexico
and Mesoamerica is the chief source of the fire opal. They come from the Mexican
high country where they can be found in rock surrounding extinct volcanoes. It
is extracted from open-pit mines in the canyons and valleys there. It should be
noted that more durable fire opals are found in drier region. The drier the
region the more durable the opal will be. While Mexico produces the most fire
opals they can be found in Honduras, Ethiopia, United States, Australia, Canada,
Turkey and areas in former Russian states.
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diamond naturals Galore
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Sun, 25 Jan 2009 12:10:53 -0800
Five large hand hammered rings - four sterling silver, one 23kt gold vermeil accent. Necklace is 16" long with sterling silver toggle clasp. All sterling silver chain and findings. Also available in all sterling, all vermeil or mixed.
Hammered Oval Earrings #4:White Pearl/gg (e-hro4-wp-gg)
Sun, 25 Jan 2009 12:10:53 -0800
Hammered vermeil oval, measuring 1 1/2'', with white pearl rondelle accent. 14kt gold-fill earwires. Also available in silver. Available in all sizes, 1-5. Please select stone color: garnet, pink tourmaline, citrine, peridot, hessionite, white pearl, black onyx, white quartz, black pearl, carnelian, blue topaz, mystic topaz, apatite, green apatite, dark apatite, london blue etc.
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posted by Olivine @ 1:23 PM
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