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The pyramidion, carved out of single piece of basalt (often called black granite), is mostly intact apart from a broken corner. With a height of 1.40 metres (4.6 ft) and base length 1.85 metres (6.1 ft), it weighs around 4.5 tonnes (9,900 lb). The bottom edges are undercut to keep the block in position atop the pyramid. [2]
In 1983, the surrounding ca. 1676 Blackstone Block Street Network was also designated by the Boston Landmarks Commission. John and Ebenezer Hancock House, 10 Marshall Street. In the 17th century, the area that is now the Blackstone Block was adjacent to Town Cove, the major port facility of the town of Boston prior to the construction of Long ...
The hardest stone frequently carved is granite, at about 8 on the Mohs scale. It is the most durable of sculptural stones and, correspondingly, an extremely difficult stone to work. [2] Basalt columns, being even harder than the granite, are less frequently carved. This stone takes on a beautiful black appearance when polished.
Stone has been used for carving since ancient times for many reasons. Most types of stone are easier to find than metal ores, which have to be mined and smelted. Stone can be dug from the surface and carved with hand tools. Stone is more durable than wood, and carvings in stone last much longer than wooden artifacts.
The Black Stone (Arabic: ٱلْحَجَرُ ٱلْأَسْوَد, romanized: al-Ḥajar al-Aswad) is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Mecca, Saudi Arabia. It is revered by Muslims as an Islamic relic which, according to Muslim tradition, dates back to the time of Adam and ...
The earliest type of capital in Lombardy and Germany is known as the cushion-cap, in which the lower portion of the cube block has been cut away to meet the circular shaft. These types were generally painted at first with geometrical designs, afterwards carved. The finest carving comes from France, especially from the area around Paris.
The carving was placed opposite an ancient memorial plaque, carved in the rock on the Serbian side of the river facing Romania. The plaque, known as the Tabula Traiana , records the completion of Trajan's military road along the Danube and thus commemorates the final defeat of Decebalus by Trajan in 105, and the absorption of the Dacian kingdom ...
Block by Block is based on an earlier initiative started in October 2011, Mina Kvarter (My Block), which gave young people in Swedish communities a tool to visualize how they wanted to change their part of town. According to Manneh, the project was a helpful way to visualize urban planning ideas without necessarily having a training in ...