Kesterite

Unknown Owner

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4.0 x 4.0 x 2.0 cmA KILLER, super sharp, isolated, 1.0 cm kesterite crystal nicely placed on matrix from Mt. Xuebaoding, China. This textbook crystal has a VERY UNUSUAL and unique, greenish-gold IRIDESCENCE and no surface pitting! Most rare! Kesterite is a RARE copper, zinc, iron, tin species.