This funky-looking mineral is sure to be a conversation starter in your collection. First things first, no, this specimen is not an agate by the scientific definition. "Grape Agate" is just a marketing name given to it from its resemblance to grapes when it was found in 2016. This specimen is actually a unique formation of purple amethyst that can also contain hues of blue, green, and white. All of this material is found near the western coast of Sulawesi, an Indonesian island. Take a look at all the photos. It is so easy to get lost in its crystal structure!
Chemical Formula: SiO₂
Size:3.5 x 2.3 x 2.2 in.
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