Corundum var. Ruby (trapiche) (7.90 ct) - Neelum Dist., Azad Jammu and Kashmir, Pakistan More info: https://www.irocks.com/minerals/specimen/52772 When you first think of red corundum (ruby, to the public), your first thought is of solid red gems and not of this fancy form known as a trapiche in the trade. Trapiche, the six-rayed spoke pattern you see so clearly here, is a less common habit seen in ruby crystals while better known in other gems, like emeralds. What makes this one so uniquely dif
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