Strontium is a soft, silvery-white metal that belongs to the alkaline earth metals group in the periodic table. It is found in nature mainly in the form of minerals like celestine and strontianite. Strontium is known for its bright red flame when burned, making it popular in fireworks and flares. In addition to its use in pyrotechnics, strontium has applications in the medical field, particularly in dentistry and orthopedics. Strontium ranelate, a compound of strontium, is used to treat osteoporosis by helping to strengthen bones. Overall, strontium plays a versatile role in both industry and health.