Description
Soft Quartzites
FINISHES – Polished and Leather
Like marble, quartzite comes in many colors, but when pure it is light-colored. Quartzite tends to have a sugary appearance, and when broken the fractures cut through the sand grains, not around them as with a sandstone. They are having the lowest maintenance material, natural anti-skid, and low water absorbance features.
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Roofing: Slate rock is used in the construction industry to make roofing shingles and coverings. Slate is preferred over artificial covering materials for its unique physical and chemical properties, moisture resistance, wind resistance, good insulating capability and cold/chill resistance.
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Landscaping: Slate rock is used in various residential and commercial landscaping projects for its weather-resistant and pollution-resistant properties. It is used to pave paths, surround swimming pools, cover outer walls, make risers and treads on stairs, and even for patios.
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Garden: Crushed slate provides gardeners with an aesthetically pleasing and inexpensive material for landscape design.
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Crushed or ground marble is also used in paving roads and in manufacturing roofing materials and soil treatment products. The color of crushed slate also varies from black to hues of red, blue, purple and gray. No matter the size of your lawn, crushed slate can add an elegant touch to your garden design projects.
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Flooring: Slate is used for external flooring, internal flooring and cladding. Slate floors are durable, nonporous, and require little maintenance.
Physical Properties of Quartzites:
|
Hardness |
6.5 to 7 on Moh’s Scale |
|
Density |
2.3 to 2.4 Kg/cm3 |
|
Compressive Strength |
90 to 140 N/mm2 |
|
Modulus of Rupture |
16 to 40 N/mm2 |
|
Water Absorption |
1.0 – 1.2 % |
|
Porosity |
Low to very low |
|
Weather Impact |
Resistant |
Chemical Properties:
|
Lime (CaO) |
95-97% |
|
Iron (Fe2O3) |
0.5%-1.5% |
|
Alumina (Al2O3) |
1 to 1.5% |
|
Soda (Na2O) & Potash (K2O) |
Less then 1% |
|
Lime (CaO) |
Less then 0.5% |
|
Magnesia (MgO) |
Less then 0.5% |
|
TiO2 |
–Not Applicable– |
| Loss On Ignition (LOI) | Less then 0.5% |
John –
Good Product