Collecting Prescious And Semi-Prescious Stones
By Lee MacRae
Why collect loose gemstones you ask? Well to begin with gemstones are extremely beautiful. And just like natural diamonds their value increases over time. Many hobbyists love to collect and work with the wide variety of gemstones available today. This article will examine the loose gemstones hobby.
To begin with your first priority is to get some books from the library or bookstore. You want to know everything there is to know about the subject of gemstones. The more you learn about gemstones the better off you'll be. You'll know exactly what to look for in a quality stone.
The first item to take into account will be gemstone color. You want the gemstone to be as close in color as possible to the pure colors of the spectrum. This means red, orange, yellow, green, blue, and violet. Generally, the prices very pale or very dark precious and semi precious gemstones are lower in value.
Gemstone cut is the second most important factor to look at. The preciseness of the cut will determine how much light is reflected by the gemstone. The cut will determine the brilliance of the stone and how much it will be valued.
Next up is the aspect of gemstone clarity. Clarity refers to the the internal conclusions or flaws of a stone being considered. Larger flaws can be seen with the unaided eye with others needing to be magnified 10X
Gemstones are often categorized according to their size aspect because of being more uniform than carat weight. But different gemstones may be the same size but have different carat weights that result in different pricing structures. This is due to the difference of relative density or specific gravity and depends on the materials chemical composition and characteristic crystalline structure. A one carat round brilliant diamond, for example of typical proportions will be approximately 6.5 mm in diameter. A comparable a brilliant ruby of the same proportions in size will weigh approximately 1.55 carats.
Collecting gemstones as a hobby can be very enjoyable and could be rewarding as well over time. It doesn't have to be very expensive and yet you can build a very exquisite collection. Many people love to set aside vacation or weekend time to go hunting gemstones. For example in New Mexico you'll find Turquoise, Garnet, Peridot, Rock Crystal and Obsidian Or ou can take a longer vacation and find opal at Lightning Ridge in NSW, Austalia, topaz in Beechworth, Victoria or hunt specimens the quartz regions in Wave Hill in the Northern Territory of Australia.
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Hints About natural diamond
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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In parts of the world sapphires may have come from ancient formations that were
once impure marble which developed over time through metamorphic conditions into
crystalline cal silicates known as skarns. A skarn is a metamorphic rock that is
usually variably colored green or red, occasionally grey, black, brown or white.
It usually forms by chemical processes that form rocks during metamorphism and
in the contact zone of magma like intrusions. Skarns in the igneous environment
are associated with marble and wider zones of cal silicate rocks. Mixtures of
corundum, titanium and iron were also a part of the crystallization process.
Because of this process there are numerous inclusions in a sapphire, and like
the ruby, they are useful in verification techniques when authenticating the
stone.
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More natural diamond Info
Fishing banned at Diamond Head for one year - Bizjournals.com
Tue, 09 Dec 2008 18:16:01 GMT
Fishing banned at Diamond Head for one year Bizjournals.com, NC - 1, fishing will be prohibited for one year in the Waikiki-Diamond Head Shoreline area on Oahu. The Hawaii Department of Land and Natural Resources closes ... Fishing ban planned for part of Waikiki coast |
Desert Studies - Natural History, Part 5 - Reptiles and Amphibians - Hesperia Star
Tue, 09 Dec 2008 00:22:22 GMT
Desert Studies - Natural History, Part 5 - Reptiles and Amphibians Hesperia Star, CA - More dangerous are the rattlesnakes, including the western diamond-back, sidewinder, and our infamous Mojave green. Most snakes are secretive or reclusive ... |
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