CaTiSiO5Monoclinic
Sphene
CaTiSiO5
SilicatesChemical FormulaCaTiSiO5
Crystal SystemMonoclinic
Mohs Hardness5.5
Specific Gravity3.53
ColorBrown, yellow, green, gray, black
LusterResinous to adamantine
StreakWhite
CleavageTwo directions
FractureConchoidal to uneven
Occurrence
Found in metamorphic and igneous rocks. Also called sphene. Source of titanium.