Amazing facts - Turquoise
Turquoise is usually opaque in nature, however very small turquoise crystals are formed which are transparent. These are found only in Virginia. read more >>
How are diamonds formed ?
It is very interesting to know how diamond are formed deep inside the earths crust. Many students have asked this question, how does coal become a diamond ? Its not as simple as it sounds, but it takes tremendous heat and pressure and millions of years for diamonds to form.
Ruby The ruby gemstone is next only to the diamond in terms of hardness and pricing. For a ruby to be born in the natural environment, a perfect combination of aluminum oxide, correct temperature, correct pressure in the earth’s crust and very low silicon content is a requisite. This makes rubies very rarely available gems in nature.
Gemstone
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Jewelry Industry
Friday July 03, 2009
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