Sphene Synonym: Titanite Clades: Nesosilicates. Chemical: CaTiSiO5. Crystal system: Monoclinic. rom Related postsAtriplex hortensisMarch 10, 2019Steganthera warburgiiAugust 23, 2020Chloas terrapinaOctober 30, 2020 Previous postRubelliteNext postWegscheiderite