Symbolism Tanzanite gems can aid in uplifting the wearer's outlook on life. It also stands for knowledge, dignity, unity, truth, and connection. Whether you like tanzanite for its beauty or symbolism, having a tanzanite stone/jewelry with you can never go wrong. It is the birthstone for December and also the traditional gemstone for honoring the 24th wedding anniversary. What to Know Before Purchasing Tanzanite Stone? Assessing the quality of a gemstone before purchasing is essential, and the same goes for tanzanite. Here are the 4 Cs you need to be aware of: