Aquamarine Colored Gemstones - The Ross Jewelry Company

Aquamarine Gemstones


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Natural sea blue aquamarine from the Padre Paraiso area in Minas Gerais State, Brazil

Natural sea blue aquamarine from Brazil
Aquamarine Gemstones at the Gemstone Dealer in Atlanta, Georgia . . . The Ross Jewelry Company.

Aquamarines Atlanta | Aquamarine is the sky blue or sea blue variety of beryl, sometimes it is sea green, a variety considered less desirable. The word aquamarine literally means seawater and is often simply referred to as aqua.

Coloration
Aquamarine Gemstones in Atlanta |The color of aquamarine is due to the presence of traces of iron present as an impurity in the crystal structure of beryl.

Enhancement Techniques
Atlanta Aquamarines | As with many gemstones, the color of aquamarine has almost always been improved by treatment of some kind. Heat treatment is used for aquamarines, to turn greenish, yellow or brown stones into a beautiful blue. The stones are heated to about 400 to 450 degrees Celsius, and the color change is permanent. Enhancements of any type in any gemstone should always be reveal by your jeweler.

Color Saturation & Size
Aquamarines in Atlanta | Even the best aquamarines are fairly pale compared with other gemstones such as sapphire. Large stones benefit from the effects of color saturation, and as aquamarine, unlike emerald, tends to form quite large clear crystals, this means that large aquamarines are relatively easy to find, and the price does not rise so steeply with size as it does with many other stones. It also means that small stones often lack color intensity and are therefore not as attractive. Small aquamarines with good color are therefore harder to obtain, and relatively expensive for their appearance.

Durability
Aquamarines Atlanta | Aquamarine is reasonably hard, having a hardness of 71/2 to 8 on Moh's scale, compared with 10 for diamond, 9 for corundum, and 8 for topaz. Hardness is generally a desirable feature is gemstones.

Pricing
Atlanta Aquamarines | The price range of aquamarine is quite large, ranging from a few dollars for small pale stones to several thousand for larger, deeper color more intense stones.

Technical Characteristics

Chemical Composition: Be3Al2(SiO3)6 - Beryllium Aluminium Silicate
Hardness: 7.5 - 8
Specific Gravity: 2.68 to 2.73
Refractive Index (R.I.): 1.570 - 1.586
Bi-refringence: 0.005 to 0.006
Optic Sign: Negative
Optical Character: Uniaxial
Crystal Structure: Hexagonal

Loose Aquamarine - The Ross Jewelry Company
The Ross Jewelry Company - 3490 Piedmont Road NE (One Securities Centre), Suite 120 - Atlanta, Georgia 30305 - (404) 495-3720
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