Ruby a red corundum, is an aluminum oxide. It is the second hardest mineral next to diamond. Ruby gemstone is used broadly for jewelry and in the application as abrasives. The crystal structure can be Trigonal, hexaonal prisms or rhombohedrons....
We are selling all types of gemstones from Tanzania and Kenya , tsavorites , ruby, gold , green garnet , aquamarine, spinel, saphire, and others We are looking for genuine buyers , interested kindly contact me...
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