Physical Properties of Slate

Physical Properties of Slate
Hardness2.5 to 4.0 on Moh's scale
Modulus of Rupture450 to 850 Kg/cm2
Compressive Strength170 to 240 Kg/cm2
Specific Gravity2.65 to 2.80
PorosityLow to very low
Water Absorption1.0 to 1.5%
Weather ImpactResistant
Corrodibility0.4 to 0.7%

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.


Slatestones render a graceful, natural finish to any building and is more cost-effective than other wall and floor coverings. All natural slate stones are fireproof and slip-resistant. These grey slatestones from India are widely used in architecture, flooring, wall cladding and roofing. Apart from the usual domestic applications, limestones can also used for laboratory bench tops and billiard table tops. We specialize in supplying variety of slatestones from India including Silver Grey slatestones, Jeera Green, Deoli Green, Silver Shine, Copper and Ocean Green.

Slatestone Varieties / Colors
» Silver Grey
» Jeera Green
» Deoli Green
» Silver Shine
» Copper
» Ocean Green
» Multi
» Peacock
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Purpose of Requirement:

Reselling End Use Raw Material


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    Rahul Bhartia

    Indian Stones

    Bhilwara, Rajasthan, India

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