CHAPTER 10CRYSTAL STALACTITESPicture #6024-inch-tall Arkansas Quartz StalactiteMost of the stalactites that people see in caves grow from calcium-rich water that drips from the cave ceilings.Calcium carbonate forms these “soda-straw stalactites.”The stalactites in caves grow at low temperatures.Due to gravity, they usually point straight down. (Steady winds can deflect their growth.) There may be columns on […]
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