Gemstones are divided into two basic categories :
..................................................
"Precious" and "Semi-precious"

The "Precious" stones and their hardness are:

Diamond, hardness 10 (carbon)
Sapphire, hardness 9 (corundum)
Ruby, hardness 9 (red corundum)
Emerald, hardness 8 (green beryl)
Topaz, hardness 8 (silicate of aluminum)
Aquamarine, hardness 7.5-8 (a form of beryl) 
 
----------------------------------------------------------------------------------

The "Semi-Precious" stones and their colors are:

The die hard nature of our management has encouraged us to bring in the most trendy looking and embellishing jewelry for our avid consumers. The jewelry produced by Vimal Art & Crafts enhances your inner beauty to perfection for every moment of your joy and celebration.