Autunite – Crystal Clusters on Quartz Matrix from Hunan


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These autunite crystals are from the Nanjingqiao U deposit in Pingjiang County, Yueyang, Hunan, China. Two different uranium minerals are said to come from this locale and one is autunite. It is a uranium phosphate that contains the elements Ca, U, P, O and H. This piece is a small miniature consisting of book-like clusters of yellow to green autinite crystals on a breccia shattered quartz matrix. The crystals are like thin square pages within the books. This piece measures 1 1/8 x 9/16 x 5/8 inches or 28 x 14 x 16 mm.


Additional information

Weight4 oz