The correct answer is: d) Gemstones
Sikkim is a state in northeastern India. It is bordered by Bhutan to the north, China to the east, Nepal to the west, and West Bengal to the south. The state has a population of about 610,000 people and a land area of about 7,096 square kilometers.
The primary type of mineral deposits found in Sikkim are gemstones. The state is home to a variety of gemstones, including sapphires, rubies, topaz, and garnets. The gemstone industry is a major contributor to the state’s economy.
Metallic minerals are minerals that are used to make metals. Examples of metallic minerals include iron ore, copper ore, and lead ore. Fuel minerals are minerals that are used to produce energy. Examples of fuel minerals include coal, oil, and natural gas. Industrial minerals are minerals that are used in a variety of industrial applications. Examples of industrial minerals include limestone, sand, and gravel.
Gemstones are minerals that are used for their beauty and rarity. Examples of gemstones include diamonds, rubies, sapphires, and emeralds.