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Tanzanite stone is a member of the epidote mineral group and ranges in hue from deep blue to violet. It has the chemical formula Ca2Al3(SiO4)3(OH). Tanzanite stone has a Mohs hardness of 6.5 to 7, making it a reasonably durable gemstone. Tanzanite stone has one of the best <a target="_blank" href="https://www.navratan.com/blog/lucky-gemstones-for-december-borns">gemstones for December borns</a>. These blue diamonds are said to be symbols of peace and communication. It improves the person's capacity for self-expression and makes them more open-minded and creative. Additionally, the gem's energies help the user become more focused and attentive.

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Tanzanite stone is a member of the epidote mineral group and ranges in hue from deep blue to violet. It has the chemical formula Ca2Al3(SiO4)3(OH). Tanzanite stone has a Mohs hardness of 6.5 to 7, making it a reasonably durable gemstone. Tanzanite stone has one of the best [**gemstones for December borns**](https://www.navratan.com/blog/lucky-gemstones-for-december-borns). These blue diamonds are said to be symbols of peace and communication. It improves the person's capacity for self-expression and makes them more open-minded and creative. Additionally, the gem's energies help the user become more focused and attentive.