Keywords: Leucite 2.jpg en crystals of leucite crystals of quartz Samchampi-Samteran alkaline igneous complex Karbi Anglong District Assam India fr cristaux de leucite cristaux de quartz Samchampi-Samteran alkaline igneous complex Karbi Anglong District Assam India Own 2008-12-21 Parent Géry leucite Quartz |