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Characteristics of Stones

In  order  to  ensure  suitable  selection  of  stone  of particular work, one must be conversant with its composition, characteristics, uses of stones and place of availability.


  • Igneous rock.
  • Composed of quart, felspar and mica and minerals.
  • Available in grey, green, brown and pink and red.
  • Hard and durable.
  • High resistance to weathering.
  • The texture varies with its quality.
  • Specify gravity 2.7 and compressive strength 700 kg/cm2 to 1300.
  • Used for ornamental, road metal, railway ballast, aggregate for concrete; for construction of bridges, piers and marine works etc.


  • Igneous rock.
  • It is compact, hard and heavy.
  • Available  in  red,  yellow  grey,  blue  and  greenish  black colour.
  • Specific gravity is 3 and compressive strength varies 1530 to 1890 kg/cm2.
  • Used  for  ornamental,  rail  road  ballast,  aggregates  for concrete etc.

Sand Stone:

  • Sedimentary rock.
  • It is available in variety of formations fine grained, coarse grained compact or porous.
  • Available in white, green, blue, black, red and yellow.
  • Specific gravity 2.65 to 2.95.
  • Compressive strength is 650kgs / cm2.
  • Used for ashlar works.

Lime Stone:

Sedimentary  rock:  It  is  available  in  a  variety  of  forms which differ from one another in colour Compaction, texture, hardness and durable.
  • Compact lime stone 
  • Granular lime stone 
  • Magnesia lime stone 
  • Kanker lime stone
  • Used for paving, road metal, etc.


  • Metamorphic rock.
  • Available in white, blue, green, yellow black and red colour.
  • High compactness.
  • Suitable for decorative works, wall lining columns, pile, table slabs, hearths, tiled floors, steps of stair case etc.


  • Metamorphic rock.
  • Non absorbent, compact fine grained and produce metallic ringing sound when struck.
  • Available in black, dark blue, grey, reddish brown etc.
  • Used for providing damp proof course, paving dados etc.

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