Yes, it is normal for tanzanite to have inclusions. In fact, it is quite rare to find a tanzanite gemstone that is completely free of inclusions. Inclusions are natural imperfections or internal characteristics that are present within gemstones. They can be in the form of tiny crystals, fractures, color zoning, or other types of structural irregularities.
Tanzanite is formed under intense heat and pressure deep within the Earth's crust. During this formation process, various minerals and elements can become trapped within the crystal structure, leading to the development of inclusions. These inclusions are often referred to as "fingerprints" of nature and can contribute to the uniqueness and individuality of each tanzanite gemstone.
The presence of inclusions does not necessarily diminish the beauty or value of tanzanite. In fact, certain types of inclusions, such as those that create a cat's eye or asterism effect, can enhance the gemstone's appeal and rarity. However, the clarity of tanzanite can affect its value, with highly transparent and inclusion-free stones being more valuable.
When purchasing tanzanite, it is essential to consider the clarity grade and the visibility of inclusions. Gemstones with fewer and less visible inclusions are generally more highly valued. However, the choice ultimately depends on personal preference and the balance between clarity and budget.
It is recommended to inspect tanzanite gemstones under proper lighting and with the assistance of a reputable jeweler or gemologist who can provide guidance on the clarity and overall quality of the stone.