| GROUP |
Metamorphic |
| COMMON ROCK-FORMING MINERAL GROUP |
Siliceous |
| COMPOSITION |
Quartz being the most abundant mineral with a variety of other minerals. Its the metamorphic minerals that give this stone its distinct colors and appearance. |
| HARDNESS |
Medium to Hard |
MOHS' SCALE |
4 - 7 |
| POROSITY % |
0.4 - 3.9 |
ABSORPTION % |
0.1 - 1.4 |
| WEATHERING
CHARACTERISTICS
|
Excellent |
| COLORS |
A wide variety of colors from very light white to silver...medium to dark grays...light to dark gold's...soft greens to olive green...blues, etc. |
| FINISHES |
Textured...Honed-Satin Finish...*Some varieties will take a good reflective polish. These are usually sold as a granite |
Quartzite is a metamorphic stone. It was at one time a sandstone that has been structurally
altered by recrystallization.