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Introduce Yourself / Re: Introduce Yourself
« on: September 06, 2010, 01:07:08 AM »
I am celine from california...nice to be here in the forum...
Beryl Family Gemstones
Beryl is an aluminum beryllium silicate mineral. It is found in metamorphic and hydrothermal regions and produces several gemstones. It forms crystals in the hexagonal system with a hardness of 7 1/2 to 8 on the Moh's Scale. It has a density of 2.67 to 2.78 grams / cubic centimeter. Streak is white. The mineral has four colors that produce gemstone......
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