Magicun Crystal~50g Natural amethyst cluster Amethyst grave sharp bone original stone specimen mineral crystal decoration decorative fish tank

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this price is for 50g 


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The composition of amethyst is silica, hardness 7, specific gravity 2.65, refractive index 1.54-1.55, with dichroism. Viewed from different angles, it can display blue or red purple. naturalamethystUsually there will be naturalIce crackGrain or white cloud impurity