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Four Gemstones Rarer Than Diamond

Diamonds are well known for their rarity, but did you know there are other rare gemstones? Get ready to learn some interesting facts on four gems rarer than diamond. Tanzanite Tanzanite is a stunning blue and purple variety of the mineral zoisite that is only found in one area of the world, Tanzania, a small country in East Africa. When viewed from different angles, tanzanite can display various colors like violet, green-yellow, and even brown. Though most tanzanite goes through heat treatment to produce its attractive blue hues, this treatment produces a stable color that makes this gem desirable. Tanzanite

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