Browsing Institutt for geofag by Author "Nasdala, Lutz"
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Nasdala, Lutz; Corfu, Fernando; Blaimauer, Doris; Chanmuang, Chutimun; Ruschel, Katja; Skoda, Radek; Wildner, Manfred; Wirth, Richard; Zeug, Manuela; Zoysa, E Gamini (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)A rare gemstone form of “ekanite” from Okkampitiya, eastern Sri Lanka, has a chemical composition of Ca2Th0.9U0.1Si8O20, corresponding to that of the tetragonal mineral ekanite. The Okkampitiya material, however, has ...