a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals. Define DENSITY: A measure of how much matter there is in a given amount of space.
Jerusalem is a hilly city so the altitude varies but it is approximately 750 Meters (2,500 feet) above sea level.
Its summit straddles the border between Syria and Lebanon and, at 2,814 m (9,232 ft) above sea level, is the highest point in Syria. On the top, in the United Nations buffer zone between Syria and Israeli-occupied territory, is the highest permanently manned UN position in the world, known as Hermon Hotel.