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.
Surveyor's mark embedded in the observation tower notes the elevation of 6684 feet above sea level. The peak is the highest mountain in the United States east of the Mississippi River, and the highest in all of eastern North America south of the Arctic Cordillera. The nearest higher peaks are in the Black Hills of South Dakota and the highland foothills of Colorado.