Stone in Civil Engineering
Building Stones Stones used in most historical places Pyramids of Egypt Taj Mahal of Agra,India Great wall of China Greek and Roman……
Building Stones Stones used in most historical places Pyramids of Egypt Taj Mahal of Agra,India Great wall of China Greek and Roman……
Streak: Important diagnostic physical property of coloured minerals Streak is a thin mark of finely powdered colourBy scratching or……