The Best Information On Gemstones
Our Featured Gemological WriterCollecting Prescious And Semi-Prescious Gemstones
By Lee MacRae
Why collect
loose gemstones you ask? For many people it's because they are very beautiful items. And like their higher counterpart,
natural diamonds they can appreciate in value over time. Many in this hobby love to find, collect and finish each and every one of the 150 varieties available. Follow along as we look at the hobby of collecting
loose gemstones.
To begin with you need to read up on the various gemstones available. You'll find it very helpful to know what you're buying and prevent you from making mistakes. This will help you make informed decisions.
Color is a very important part in evaluating a gemstone. The closer the color of the gemstone is to its purer spectral value the more highly prized it is. Traditional spectral colors include violent, blue, green,, orange and red. Gemstones colors that are darker or palerthan a pure color are considered a lower value.
How the gemstone is cut is the second most important factor to look at. The preciseness of the cut is the factor which determines how much light the gemstone stone will reflect. It will ultimately ultimately determine the stones brilliance and how much it will be valued.
Next up is the clarity of the gemstone. Clarity is the term that refers to internal flaws (inclusions) or the external blemishes of the gemstone under consideration. Larger flaws are visible to the unaided eye with others requiring a 10X magnification.
You will note that gemstones are categorized according to their size because of being more uniform than carat weight. But different gemstones may be the same size but different carat weights and consequently, different pricing structures. This factor comes from the difference in specific gravity or relative density depending upon the materials chemical composition and characteristic crystalline structure. A one carat round brilliant diamond, for example with normal proportions is approximately 6.5 mm around. A comparable round brilliant ruby of the same size and proportions will weigh in at 1.55 carats instead.
Collecting gemstones as a hobby can give you an enjoyable pastime and could be rewarding as well over time. You can start small and don't have to spend a lot of money and yet you can buy some very beautiful items. Many people loved to spend weekends to go hunting for raw gemstones. Just in the United States in Pennsylvania you can find Amethyst, Almandite Garnet and Pyrope Garnet, Beryl, Sunstone and Moonstone. Or you can take the time to travel and find opal in Coober Pedy, Andamooka or Mintabie in South Australia, topaz in Mt Surprise or O'Briens Creek in Queensland, Australia or check out the Moonstone regions in Moonstone Hill, Queensland, Australia.
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Hints About loose emerald gemstones
The Cullinan VII diamond is nearly 9 carats and is mounted in a pendant on a
small all-diamond brooch. In the centre of this brooch is the 6.80 carat
Cullinan VIII.
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In the Great London Exhibition of 1862, a sapphire weighing 260.37 carats was
purchased by Russian Emperor Alexander II and presented to his wife Empress
Maria Alexandrovna. This rare treasure was described as "unique ... for its
combination of size, color, clarity and extraordinary cut." Today, this
magnificent piece of history is in the Russian Diamond Fund, where it is proudly
shown in Moscow, Russia
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Naica, Chihuahua - this Northern M�xico state provides complex crystals of
fluorite, sparkling calcite, brassy pyrite and silver colored galena. Naica
fluorites are quickly becoming highly prized specimens, they are perhaps the
finest examples of cube/octahedron/dodecahedron combination and the rarer cube/
tetrahexahedron fluorite available anywhere.
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Some loose emerald gemstones Stories
Golden Locket Earrings
23kt gold-plated minilockets. Also available in sterling silver plate and in oval. 14kt gold-fill earwires. Lockets measure about 3/8".
Sterling Organic Disc Pendant
Sterling silver organic disc pendant on multiple 14kt gold-fill chain. Disc measures approximately 7/8" in diameter.
Vermeil Baby Disc Cascade Earrings
Ten sterling silver baby discs arranged in a cascade. Earrings hang 2" from base of earwires. All sterling components and earwires. Also available in sterling silver
natural colored diamond
Labels: diamonds loose diamonds | large loose diamonds | loose dimonds
Gemstones Info
Our Featured Gemstone ArticleCollecting Loose Gemstones
By Lee MacRae
Why collect
loose gemstones you ask? Well to begin with gemstones are extremely beautiful. And just like
natural diamonds they can appreciate in value over time. Many hobbyists love to collect and work with the nearly 150 types of gemstones found today. Read long as we look at the hobby of collecting
loose gemstones.
The first thing you need to do in beginning this hobby the smart way is by acquiring knowledge about them. By visiting a local library you can find everything you need to know that will prevent you from making mistakes at the start.
First on the list to evaluate is gemstone color. 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 become higher in value they closer they are to natural spectral colors of red, orange, yellow, green, blue, and violet. They are valued much less the farther they are from the spectral color.
Gemstone cut is an important factor to consider when buying a gemstone. The gemstone must be cut in a way that reflects light back to the viewer. A stone that has a poor cut will never be able to reflect light consistently. Color saturation, color hue and color tone will never be consistent.
Our next consideration is the aspect of gemstone clarity. Clarity refers to the the internal conclusions or flaws of the gemstone. Larger flaws can be seen with the unaided eye while others require close examination using a 10X magnification.
You will often find that gemstones are often listed according to size because of being more uniform than carat weight. But different gemstones may be the same size but differ in carat weights and as a result different in prices as well. This is due to the difference of specific gravity depending upon the chemical composition and crystal structure type Normally a one carat brilliant round diamond with normal proportions is approximately 6.5 mm around. A comparable a brilliant ruby of the same proportions in size will weigh in at 1.55 carats instead.
Although gems are frequently used in jewelry, loose gemstones are great for collecting. Actually there are many interesting and attractive gemstones who that are just too big or fragile to be used for jewelry. Take each gemstone and think of it as a piece of art, a miniature sculpture to be 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 US in Pennsylvania you can find Amethyst, Almandite Garnet and Pyrope Garnet, Beryl, Sunstone and Moonstone. And if you travel to Canada you will find nephrite jade in the Frances Lake area in the Yukon Territory or Tourmaline from Chatham Twonship, Quebec as well as iolite from Manitouwadge, Ontario. Take up gemstone collecting and you won't regret it.
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More Information On buying loose diamonds online
American Golden Topaz, a 172-faceted topaz weighing 22,892.5 carats (4.5785 kg),
is the largest cut yellow topaz in the world, and one of the largest faceted
gems of any type in the world. Originating from Minas Gerais, Brazil, it was cut
by Leon Agee over a period of two years from an 11.8 kg (26 lb avdp) stream-
rounded cobble. It was purchased by Rockhound Hobbyists of America and presented
to the Smithsonian Institution in 1988 and is displayed in the National Museum
of Natural History in Washington, D.C.
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Many gemstones will undergo some kind of treatment between the time they are
mined and the time they reach you. These treatments are carried out in order to
improve the appearance of the stone (color or clarity). Treatments include
exposure to very high temperatures, irradiation, heat or irradiation combined
with another chemical (e.g. titanium), oiling, and waxing. Treated gemstones
are not considered less valuable as long as the treatment is considered
�permanent� by relevant gemological organizations. That means that the
treatment will not �wear off� with time. In some kinds of gemstones, treatments
are so common that it is nearly impossible to find an untreated one. Rubies are
an example of this. Other gemstones could not exist without treatments, e.g.
Mystic topaz.
You will find purchasing loose diamonds
buying loose diamonds online News From Around The World
Golden Locket Earrings
23kt gold-plated minilockets. Also available in sterling silver plate and in oval. 14kt gold-fill earwires. Lockets measure about 3/8".
Purple Garnet and Sterling Silver Disc Bracelet
Brushed sterling silver discs, hand linked. Faceted purple garnets. All sterling silver components and findings. Approximately 8" long with toggle clasp.
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