Aquamarine where is it found
These gems all start as high-quality beryl crystals. For example, aquamarines are caused by adding two types of iron atoms to beryl as it forms. Then, light interacts with that iron and gives the aquamarine its color. Beryl is commonly found in pegmatite formations, which occur when hot magma pushes from deep in the earth up into the crust and cools into a granite body.
As the molten rock cools, it crystallizes. How it crystallizes depends on the concentration of water present within the magma. Listed below are the locations where aquamarine naturally occurs and is mined to be transformed into beautifully faceted gemstones. If aquamarine is your gem of choice, let us at Knox Jewelers help you custom create a one-of-a-kind piece of jewelry to showcase this beautiful blue-green gemstone. The possibility are endless with a mineral available in so many sizes, shapes and hues.
A Knox Jewelers custom created piece, featuring a beautiful aquamarine is the perfect way to celebrate any occasion falling within the month. We have a vast selection of aquas just waiting to be transformed! However, more valuable material is pure blue. Because Aquamarine is a light-colored gem, the most desirable pieces are larger than two carats.
This allows the pure blue to come through in the stone. In order to bring you the perfect Aquamarine white gold ring , we source heat treated gemstones except white diamonds. Most of these light blue gems contain slight green cast when mined, so heat treating is a totally natural and permanent way to improve the color and clarity of the rough. Contact us by phone at 1 or email at service withclarity.
Shop Aquamarine Rings. Diamond Carat What is the largest Diamond in the World? What Are Step Cut Diamonds? Cubic Zirconium vs. Chemical Make-up Aquamarine is a lovely blue gemstone and a member of the beryl family. Formation Like most minerals, Aquamarine forms deep inside the earth. We're a match made in email heaven. Diamond, ruby, sapphire, topaz, and chrysoberyl are the only popular gemstones that are significantly harder.
Hardness is a property that enables a gem to resist scratching. However, aquamarine's tenacity is rated as brittle - which means that the gem can be easily chipped upon impact. A mounting that guards the stone from impact and not wearing the gem during activities that might result in accidental impact are important precautions.
Color: The price of aquamarine is mainly determined by weight and the strength of its color. Gems with a faint blue color are abundant and inexpensive. Gems with a rich blue color are much more expensive because rich color in aquamarine is very rare. A small aquamarine with a rich blue color will cost a lot more than identical-size stones with a faint blue color. Size: Aquamarine is available in a wide range of sizes.
As the size of the gem increases, the strength of its apparent color will also increase. It can be difficult to find a small gem with a rich blue color, but as the size of the stone increases, the opportunity to find strong color also increases.
Heat-Treated Aquamarine: The blue color of this 0. As a member of the beryl mineral family, aquamarine has a chemical composition of Be 3 Al 2 Si 6 O Pure beryl is colorless. The greenish blue to blue color of aquamarine is caused by trace amounts of iron. The iron can occur in two oxidation states. Most natural aquamarine has a greenish blue color. Gentle heat treatment can remove the yellow color and transform the gem's color to a more pure and more valuable blue.
Greenish yellow and other colors of beryl can be altered to colors within the aquamarine range by heat treatment. The color improvements achieved by heat treatment are thought to be permanent and undetectable by current methods of testing.
Any time a gem has been heated, irradiated, dyed, or undergone other treatments to improve its color, durability or appearance, the seller should disclose that information to the buyer.
This information is important to many buyers - even to buyers of low-cost items. Maxixe pronounced "mashish" is a rare variety of beryl with a dark blue color. The blue color develops while the gem material is still within the Earth by exposure to natural radiation.
Unfortunately, the blue color gradually fades to a pale brownish color upon exposure to light. If Maxixe loses its color, it can be irradiated in a laboratory, however, the renewed blue color will also fade.
These tests can also be used to separate synthetic maxixe also known an maxixe-type beryl from synthetic aquamarine. Synthetic aquamarine lab-grown aquamarine has been produced by hydrothermal growth methods in Russia since at least the s [4] and since the early s in the Czech Republic [5].
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