|Dimensions (mm)||10 x 10 x 6mm|
|Weight (carats)||3.45 carats|
LIGHT BLUE COLOUR.
OMPOSITION-BERYL,BERYLLIUM, BELMINIUM, BILLICATE, OFTEN WITH SODIUM, LITIUM AND CESIUM
The chemical formula for an aquamarine gem stone is beryllium aluminum silicate (3BeO Al2 O3 6 SiO2). Its specific gravity is 2.71 and refractive index ranges from 1.574 to 1.580. Its hardness on Mohs scale is between 7.5 and 8. It has a vitreous polish luster,Aquamarine gemstone is a transparent variety of the mineral group beryl.
Other countries where aquamarine crystal is mined are India, Pakistan, Mozambique, Nigeria, China, Madagascar, Namibia, Zambia, Zimbabwe, Norway, North Ireland, Russia and the United States
Not only these gemstones are available in abundance but also the sizes that they are available are in large. The mines of Minas Gerais, Brazil produced the largest aquamarine till date in 1990. It weighed 110 Kilograms and was 19 inches long with a diameter of 15 inches
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