Hey it's Matthew again with gemstone of the week! Previously, I was talking about diamonds. But now, the gemstone of the week is... watermelon tourmaline! You might think this is a weird name for a gemstone, but it is actually a specific form of tourmaline. Tourmaline is a mineral with a complex chemistry. It has unusual shapes most often, and it crystallizes as prisms with flat or wedge-shaped bases. It usually looks like an odd cylinder, but rarely it can be different. The unique thing about tourmaline is that it has the greatest color range of any gemstone, and some crystals are more than one color. This is when we get into watermelon tourmaline. Watermelon tourmaline has pink cores and green outer zones. If you've ever seen a cut gemstone with two different colors, imagine that with pink and green. Surprisingly, I don't have watermelon tourmaline yet, but that is because it is a bit expensive for it to be a fascinating exception. Thank you so much for reading!
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