Melt the mixture into a liquid. For commercial silica glass, this is done in a gas-fired furnace, while specialty glasses may be created using an electric melter, pot furnace or kiln. 1  Quartz sand without additives becomes glass at a temperature of 2,300 degrees Celsius (4,172 degrees Fahrenheit).
Mount Kilimanjaro /ËkÉªlÉªmÉnËdÊÉËroÊ/ , with its three volcanic cones, Kibo, Mawenzi, and Shira, is a dormant volcanic mountain in Tanzania. It is the highest mountain in Africa, and rises approximately 4,877 metres (16,001 ft) from its base to 5,895 metres (19,341 ft) above sea level. The first recorded ascent to the summit of the mountain was by Hans Meyer and Ludwig Purtscheller in 1889.
Notes: Mount Kilimanjaro in Tanzania. at 5,895 metres, is the tallest mountain in Africa. It is also the world's largest free-standing mountain (not part of any range; 25 x 50 miles in area).