Hardness | 2.5 to 4.0 on Moh's scale |
Modulus of Rupture | 450 to 850 Kg/cm2 |
Compressive Strength | 170 to 240 Kg/cm2 |
Specific Gravity | 2.65 to 2.80 |
Porosity | Low to very low |
Water Absorption | 1.0 to 1.5% |
Weather Impact | Resistant |
Corrodibility | 0.4 to 0.7% |
CHEMICAL PROPERTIES OF SLATE | |
Chemically they are Multi-Mineral rocks made of an aggregate of minerals and colloidal substances. Essentially mineral composition includes members of Mica group commonly sericite & muscovite, Clay group commonly paragonite, chlorite & kaonilite. The accessory minerals are oxides, calcites & minor amounts of quartz and feldspar along with subordinate amounts of ferromagnesian minerals. Free silica is normally poor. It is resistant to acids and staining. |
Slatestone Varieties / Colors | ||
» Silver Grey » Jeera Green » Deoli Green | » Silver Shine » Copper » Ocean Green | » Multi » Peacock |
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Rahul Bhartia
Indian Stones
Bhilwara,
Rajasthan,
India