Stone is derived from natural rocks with crushing strength of 100kg/cm². Stone is classified as igneous, sedimentary, or metamorphic based on formation. Good stone should have water absorption less than 5% and specific gravity 2.4. Stone is used in building construction, roofing, and decorative work
Masonry originated from early humans creating artificial caves from stone piles. Prehistoric stone huts found in Aran Islands, Ireland. Egyptian pyramids developed by 4th millennium BCE using various stone types. Assyrian and Persian structures used sun-dried bricks with kiln-burned units
Construction materials are classified as natural or manmade. Materials vary in weight, power, longevity, and price. Choice depends on cost and structural forces
Masonry is building structures with brick, stone, or similar materials. One of the oldest building crafts, used in ancient structures like pyramids. Modern masonry often features steel reinforcement since mid-20th century
Standard brick dimensions are 19mmx9mmx9mm. Bricks should be rectangular with sharp edges. Common types include building, paving, fire, and special bricks
Bricks were discovered in Jericho, Turkey, around 7000 BC. Ancient Egyptian bricks were made from clay mixed with straw. Fired bricks were invented around 3500 BC. Romans produced bricks in spring, storing them for two years