Featured Gemstone Article
Collecting Prescious And Semi-Prescious Stones
By Lee MacRae
Why would anyone collect items like loose gemstones, you ask? Well for one thing they are very beautiful items. And like their higher counterpart, natural diamonds their value increases over time. Many hobbyists love to collect and show case the wide variety of gemstones available today. Read long as we discuss the hobby of loose gemstone collecting.
Right at the start you need to read up on the wide variety of stones available. This will help you to know the properties of each stone so you buy the right items. Without the proper knowledge you can make costly mistakes.
To start with, an important aspect in gemstone evaluation is color. It is a fact that gemstones are the most intensely colored naturally occurring materials you can find. 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 become higher in value the closer they come to the natural spectral colors of yellow, blue, violet, green, orange and red. They are valued much less the farther they deviate from the pure natural color.
The cut of your gemstone is an important factor to consider when evaluating gemstones. The cut has to be done with precision to reflect the light properly. A poor cut will not reflect light consistently over its entire surface. Tone, color saturation, and color hue will never look consistent.
A third consideration is the clarity of the stone under consideration. This is talking about the purity of the gemstone or the lack of internal inclusions, spots, or particles inside the crystal. Needless to say, stones with no flaws will make a gemstone very valuable.
Another consideration is the duo of size and weight. Due to their nature gemstones can vary greatly in density and specific gravity. Weight and size are not equal for each and every stone. If you have a diamond that weighs 1.00 carats a ruby 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.
Although gems are frequently used in jewelry, they are perfectly good collectibles in their own right. In fact, there are many attractive and interesting gems that are too fragile or too large to be used in jewelry. Here's a suggestion -- don't think of a gem as a component of jewelry; consider it as a piece of art and value it for its beautiful colors and the finish you apply to it. And unlike many hobbies where you have to buy everthing you can find your raw materials through field trips In the US in Montana you'll find Agate, Sapphire, Beryl, Amethyst, Smoky Quartz, Obsidian, Tourmaline and Garnet. And if you travel to Canada you will find nephrite jade in Mount Ogden, British Columbia or amazonite (microcline) near Lac St-Jean, Quebec as well as hessonite garnet in Asbestos, Quebec. Think of collecting gemstones as a great hobby and pastime.
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In geological terms gem quality sapphire is rarer than diamond. Sapphire is the
term for Aluminum Oxide (corundum). This durable material is the second hardest
natural substance and is found in a broad range of colours. Ruby is red or pink
corundum, all other colours are called sapphire. Blue is the traditional colour
but sapphire can also be clear, green, yellow, gold, purple, peach, colour
change or a mix of colours (sometimes called parti, rainbow or bi-colored).
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Ruby is the red variety of corundum. It is quite a bit rarer than the blue gems.
The rarity combined with the demand for rich red gems keeps the price very high.
Among rubies though, there is no shortage of small gems, the kind used in
cluster rings. They are somewhat expensive, but readily available.
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Alexandrite is used for increasing self-confidence, balance, and happiness.
Alexandrite is the Traditional Birthstone for June. For the 45th and 55th year
of marriage, Alexandrite is the anniversary gemstone. The first Alexandrite was
mined in 1831. Alexandrite is named after Alexander II of Russia.
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Gemstone Information Article
Starting The Hobby Of Gemstone Collecting
By Lee MacRae
Why would anyone collect items like loose gemstones, you ask? Well to begin with they've been sought for their beauty for many centuries. And like their more familiar cousin, natural diamonds, they can become extremely valuable over the years. Many hobbyists love to collect and work with the nearly 150 types of gemstones found today. Follow along as we look at the hobby of collecting loose gemstones.
To begin with your first priority is to visit the library and get some books. You want to know as much as possible about the subject of gemstones. The more you understand about gemstones the less likely you are to make a mistake. You'll know exactly what to look for in a quality stone.
First, color is a major part in giving value to a gemstone. The closer the color of the gemstone is to its purer spectral value the more valuable it is. Remember that the spectral colors include red, orange, yellow, green, blue, and violet. Gemstones colors that are paler or darker than the pure color are considered a lower value.
The cut of your gemstone is an important factor to consider in evaluating gemstones. The cut has to be done correctly to reflect light properly. A poor cut will not reflect the light consistently. Color tone, saturation, and hue will always appear inconsistent
Our next consideration is the aspect of gemstone clarity. Clarity refers to the internal flaws (inclusions) or the external blemishes of a stone. Larger flaws can easily be seen with the naked eye with others needing to be magnified 10X
Next to consider are size and weight. Except for corals and pearls, all gemstones are valued by the unit called the carat. One carat is the equivalent of 0.2 grams Be aware however, that weight and size are not always equal and gemstones. The density and specific gravity can differ in stones. Take a diamond that weighs 1.00 carats and you will see that a similar sized ruby or sapphire is 1.20 carats.
Collecting gemstones as a hobby can become an enjoyable pastime and rewarding in the long run. You don't need to spend a lot of money and yet you can buy some very beautiful items. Many people love to set aside vacation or weekend time to go hunting for raw gemstones. Take the example of the United States. In Arizona you can find Agatized wood (Petrified wood), Azur-Malachite, Turquoise, Garnet, Peridot, Jasper and Moissanite 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 check out raw material in the peridot fields in Chudleigh Park, Queensland, Australia.
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Learn More About best loose diamonds
Citrine is yellow quartz. It has a hardness of 7. Citrine can be easily
scratched. Citrine often permenantly changes color if left in the sunlight for
several hours. Most citrine on the market is heat treated amethyst. Citrine is
found in Brazil, Madagascar, Spain, USA (California, Colorado, Georgia, and
Nevada) and the former USSR.
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Synthetic or "lab-created" stones are grown using the same ingredients as the natural stones. They are chemically identical to natural stones, but more affordable, and its easier to get a large, well-colored lab-created gem than a natural one. Lab-created gemstones frequently have fewer "inclusions", the internal flaws common in precious gems. With technical advances, many high quality lab-created stones can only be differentiated from a natural by a trained professional. Almost any gemstone can be made in a lab, but the precious gemstones - emeralds, rubies and sapphires - are the most common
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In the 1950's the Gemological Institute of America established a system for
grading diamonds based on the four C's. This was a great asset to the diamond
community and it became the standard for grading world wide. While the system
for grading color and clarity removed most redundancies, the standards for
grading the cut left something to be desired. That is not necessarily a
criticism of the GIA; no one has been able to establish a simple a usable system
that would cover all the variables involved.
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The Hobby Of Gemstone Collecting
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 collecting loose diamonds or loose gemstones. A number of these hobbyists start to travel to various neghbourhood locations to look for rough gemstones. Some of them will even tumble or finish off the gemstones themselves. If this hobby interest you follow along as we discuss the various aspects of gemstone collecting.
First off you'll need the knowledge on each of the gemstones out there. This will help you to know what exactly you're looking for and prevent you from wasting your money. Without the proper knowledge you can make costly mistakes.
The first item to take into account will be the color of the gemstone. You'll want the gemstone to be as close in color as possible to the pure colors of the spectrum. We are talking about orange, red, violet, green, yellow, and blue. The prices of very dark are very pale stones are lower.
The cut of your gemstone is an important aspect to consider when you consider a gemstone's value. The stone has to be cut in a way that reflects light back to the viewer. A stone that has a poor cut will not reflect light in a consistent way. The color hue, color tone and saturation will never be consistent.
The clarity in a stone is our next factor. Clarity refers to the absence of flaws or blemishes inside the stone. A flawless gemstone is more valuable. To examine flaws not seen with the naked eye requires a 10X gemstone loupe or gemstone microscope. Most hobbyists will employ a jewelers diamond gemstone loupe 10X for viewing their coins, beads, stamps or in our case gemstones.
Next item to look at is the duo of weight and size. Due to their nature gemstones can vary greatly in density and specific gravity. Weight and size are not equal for each and every stone. If a diamond of a certain size weighs 1.00 carats then a ruby 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.
Collecting gemstones can be a great hobby. And there are so many different types in precious and semi precious stones that you can collect. You can start collecting gemstones like Obsidian, Citrine or Natural moissanite for instance. The opportunities are seemingly endless. And if money is tight you can find gemstones for yourself instead of buying. Take the example of the United States. In Oregon you'll find Agate, Obsidian, Hydrolite and Sunstone.
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Hints About loose white diamonds
Sapphire is September's birthstone and comes in every color except red (ruby).
Blue is the most common color for sapphire gems. White sapphire is occassionally
used as a diamond substitute. Sapphire tennis bracelets are beautiful and loved
by many.
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The 45.52 carat steel blue Hope Diamond was found in India back in remote times
as a rough crystal weighing 112 carats. It first came to light when Jean
Baptiste Tavernier, the noted French traveler of the 17th century, was
approached in India by a slave who had a very secretive manner about him. It
turned out that he had in his possession an intriguing steel blue stone which at
first look seemed to be a large sapphire, but the well-experienced Tavernier
soon realized it was a diamond � the largest deep blue diamond in the world.
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Rubies and sapphires are different colored varieties of the mineral corundum.
Now corundum is a fairly common mineral. Second only to diamond in hardness it
has been mined extensively for abrasives. The emery on your emery boards and
sand paper is corundum. Gem quality corundum is quite a bit rarer, consisting of
only a percent or so of all the corundum found. The most common of the gem grade
corundum is blue sapphire. Sapphire comes in every color of the rainbow and the
other colors are rarer than the blues. This may be a bit of a surprise as the
blue ones are so valuable. However, the law of supply and demand comes in here.
Most of the people wanting a sapphire are looking for a deep blue gemstone, not
something yellow or green. Hot pink sapphires and the pinkish orange variety
know as padparasha do demand a high price in the market place. Generally though,
it is the demand for blue gems that fuels the pricing here.
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Latest Gemological Article
So You Want To Collect Gemstones
By Lee MacRae
The term gemology refers to the science, art and profession of identifying and evaluating rocks known as natural diamonds or loose gemstones. A number of people taken up gemology as a hobby. They become interested in making a collection of loose diamonds or loose gemstones. Some people even begin to travel to various neghbourhood locations to look for raw gemstones. Some hobbyists will learn to cut or tumble the gemstones they find. If you have an interest in this hobby then read along as we discuss the in and outs of gemstone collecting.
To begin with you need to learn all you can on the various gemstones available. This knowledge will help you to know the properties of each stone and prevent you from wasting your money. This will help you make informed decisions.
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 yellow, blue, violet, green, orange and red. They become less valuable when they are lighter or darker than the spectral color.
The way a stone is cut is the second most important factor to look at before a purchase. The preciseness of the cut will determine how much light the stone will reflect. It will ultimately determine the brilliance of the stone and its final value.
Gemstone clarity is the next item to consider. When we talk of clarity it relates to the absence of flaws or blemishes inside the stone. A gemstones that is normally found to be clean is obviously worth more. To determine the flaws not seen with the unaided eye you need a 10X gemstone loupe (gemstone clarity magnifier) or gem microscope. Serious hobbyists will employ an inexpensive 10X gemstone or jewelers loup for viewing stamps, coins, beads as well as gems.
Next thing to look at is the duo of weight and size. Due to the fact gemstones can vary greatly in density and specific gravity. Weight and size are not necessarily equal across the board. If you have a diamond that weighs 1.00 carats 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.
Getting involved in collecting gemstones 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 buy some very beautiful items. Many people love to take vacations to go hunting gemstones. For example in Maryland you can search for Beryl and Clam Pearl. Or you can take the time to travel and find opal at Lightning Ridge in NSW, Austalia, topaz in Mt Surprise or O'Briens Creek in Queensland, Australia or hunt in the garnet fields in Fullarton River in Queensland, Australia.
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More Info On natural color diamonds
"Indeed there is no stone, the colour of which is more delightful to the eye;
for whereas the sight fixes itself with avidity upon the green grass and the
foliage of the trees, we have all the more pleasure in looking upon the
smaragdus, there being no green in existence of a more intense colour than this.
And then, besides, of all the precious stones, this is the only one that feeds
the sight without satiating it. Even when the vision has been fatigued with
intently viewing other objects, it is refreshed by being turned upon this stone;
and lapidaries know of nothing that is more gratefully soothing to the eyes, its
soft green tints being wonderfully adapted for assuaging lassitude, when felt in
those organs" The Natural History, Book XXXVII. The Natural History of Precious
Stones, Chapter 16. Pliny the Elder (23-79)
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In the 1950's the Gemological Institute of America established a system for
grading diamonds based on the four C's. This was a great asset to the diamond
community and it became the standard for grading world wide. While the system
for grading color and clarity removed most redundancies, the standards for
grading the cut left something to be desired. That is not necessarily a
criticism of the GIA; no one has been able to establish a simple a usable system
that would cover all the variables involved.
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More natural color diamonds Info
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