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Geology shared the following link and had this to say about it: Boltwoodite | #Geology #GeologyPage Formula: (K,Na)(UO2)[HSiO4] · 0.5H2O System: Monoclinic Colour: Pale yellow, orange ... Lustre: Sub-Vitreous, Waxy, Silky Hardness: 3½ - 4 Name: For Bertram Borden Boltwood (1870-1927), radiochemist at Yale University, New Haven, Connecticut, USA. Named by Clifford Frondel and Jun Ito. Rea...
Posted on: Tue, 08 Oct 2013 07:54:56 +0000

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