Tanzanite is a blue to violet gemstone that is a variety of the mineral zoisite. Tanzanite is found exclusively in a very small area of northern Tanzania, near the Mererani (or Merelani) Hills in the Simanjiro District of the Manyara Region. The most prized tanzanite stones exhibit a deep, vibrant blue or violet color. Tanzanite is renowned for its stunning blue and violet hues, but it can exhibit a range of colors due to its pleochroic nature, which means it can show different colors when viewed from different angles. West Asia is geologically diverse, with a wide range of rock formations, mineral deposits, and tectonic activities. The Middle East, particularly Iran, is known for producing some of the world's finest turquoise gemstones. Look for well-known and reputable gemstone retailers, either online or physical stores, that specialize in selling gemstones. The color of a ruby is one of the most important factors in determining its quality and suitability for jewelry. Color is one of the most important factors in determining the value of emeralds. Tunisia, as one of the North African countries, offers attractive opportunities for international trade. Geographically, it holds a strategic position, serving as a gateway to markets in North Africa and the European Union. Tunisia's market is diverse, encompassing sectors such as agriculture, energy, handicrafts, and technology. In the agricultural sector, Tunisia is one of the largest producers and exporters of olives and olive oil in the world. Citrus fruits and seafood are also among the country's key export items.
