| Zircon
is known for its distinctive beauty
in a wide variety of colors. Zircon
is a relatively hard stone with
a hardness of 7.5. Because it has
such a high refractive index, zircon
can be one of the most brilliant
of all gem stones. |
| Gemological
Information |
| Color
: |
Brown,
Blue, Red, Orange, White, Green |
| Refractive
Index: |
1.780-1.984 |
| Chemical
Composition: |
ZrSiO4 |
| Hardness: |
7.50 |
| Density: |
4.00-4.73 |
| Crystal
Group: |
Tetragonal |
| Ocurrence: |
Sri
Lanka , Burma,France, Norway, East
Africa,Australia, SE Asia. |
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