Store each topaz gemstone separately to prevent them from scratching each other or other gemstones. Blue topaz is one of the most popular varieties of topaz. Color is one of the most important factors in determining the quality of topaz. Brazil is one of the largest producers of topaz in the world. Irradiation is a common treatment used to change or enhance the color of topaz. 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. Greece has long been an important trading hub in Europe due to its strategic location at the crossroads of Europe, Asia, and the Middle East. Its economy is largely based on services, but trade, especially imports and exports, also plays a critical role. Over the past few decades, Greece has increasingly participated in international trade, bolstered by its membership in the European Union, which has enhanced its trade relations with other European countries and beyond. However, the country's economic landscape has also been shaped by financial crises, which have influenced its trade policies and external relations, especially with non-EU countries like those in the Middle East and West Asia.
