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75VARIETY OF GEM STONES AND GEMS
by ratnaveera
Gem stones, also called as precious stones, are naturally available rare ston- -es of earth. They get different names according to the chemicals present in them. Some important varieties of gem stones are... published 11 months ago
71Gemstone Trivia
by VickeyK
Rubies and sapphires are actually the same mineral: corundum (aluminum oxide). It can be colorless, but when traces of elements sneak in (like chromium,which interacts to make red) the color changes. If the... published 14 months ago
70Quality,Origin & Properties of Ruby & Saphhire
by JYOTI KOTHARI
Ruby,sapphire belongs to same family corundum. Costliest rubies are from Burma where as Blue sapphires are from Kashmir. These beautiful stones are also found in Ceylon,Africa, India,Thailand, Vietnam.....an article from a gem-stone dealer. published 7 months ago
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