Zircon is an important gemstone of many colors, and is an historical gemstone used for thousands of years. It is sometimes looked upon as a cheap Diamond simulant, but in actuality it can be a valuable gem.
|Color||Yellow-Golden, Red, Brown, Blue, and Green|
|Mohs scale hardness||7.5|
|Specific gravity||4.60 - 4.70|
|Refractive index||1.93 - 1.98|