Collecting Prescious And Semi-Prescious Stones
By Lee MacRae
For many people collecting loose gemstones or loose diamonds is their favorite hobby. They love the colors and the beauty of the various gemstones you can find just about everywhere in the world. Follow along as we discuss a number of things you need to know in starting in this interesting hobby.
To start off right 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 and prevent you from making mistakes. A knowledgeable buyer is a wise one.
To start with, an important aspect in gemstone evaluation is color. Without a doubt, 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 the closer they are to the colors in the spectrum of orange, green, yellow, violet and blue. They become less valuable the more they deviate from the spectral color.
The cut of the stone is extremely important and factors highly into the appraisal of not only diamonds along with gemstones. An excellent cut will highlight the natural color of the gemstone, diminishes its inclusions, and show off its symmetry and proportions. One excellent way to determine the excellence of gemstone cut is to consider how well it reflects light on a consistent basis throughout the surface of the stone. If the gemstone is cut to shallow most of this light were refracted away instead of reflecting internally. Gem color appears washed out.
Next to look at is the aspect of gemstone clarity. Clarity is the term that refers to the internal conclusions or flaws of a stone being considered. Any large flaws can easily be seen with the unaided eye while others require close examination using a 10X magnification.
Next thing to look at 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. Take the example of a diamond that weighs 1.00 carats and an equal sized Sapphire would weigh more than 1.20 carats. An Emerald of equal size would be approximately 0.95 carats while an Alexandrite gemstone would be about 1.23 carats.
Taking up the collecting of loose gemstones can be a great hobby. And there is a wide range and variety in precious and semi precious stones that you can collect. You could try collecting Olivine (Peridot), Sapphire or Benitoite and then try others. The opportunities are seemingly endless. And if money is tight you can go hunting for raw gemstones. For example in Alabama you can find Beryl, blue and yellow; Smoky Quartz and Hematite.
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Very Good Grade diamonds: This grade also has high brilliance and scintillation,
but expect them to be a bit darker in the center or around the edges. In some
cases a diamond can have top brilliance and scintillation, but be down graded by
its pattern. The stone above has a splintery pattern that prevents it from being
graded excellent.
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Tiger Eye is often heat treated. This is permanent so no extra care is required.
As with all gems, protect topaz from scratches and sharp blows. Also avoid large
temperature changes (such as leaving it be a heater vent or in a hot car).
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Charcas, San Luis Potosi - is world reknown for it's Danburite the large clear
crystals are easily found on the mineral markets. Topaz is also found here and
can be quite nice. A variety of grossular known as "Raspberry Garnet" is found
in Coahuila and another garnet gem found in Mexico is andradite which forms
iridescent green gemstones. Another green gem is olivine and it is mined in the
Chavira peridot-olivine mines in Chihuahua.
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Thu, 23 Oct 2008 20:14:36 -0700
Brushed 23kt gold vermeil tiny ring earring, measuring 1/2'', with white pearl rondelle accent. 14kt gold-fill earwires. Please select rondelle 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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