Monazite
Chemical Formula	(Ce,La)PO4
Species	Phosphates
Crystal System	Monoclinic
Mohs Scale	5-5.5
Specific Gravity	4.6-5.7
Color	Reddish brown, brown, pale yellow, pink, green, gray
Streak	White
Luster	Resinous, vitreous to adamantine
Refractive Index	nα = 1.770–1.793nβ = 1.778–1.800nγ = 1.823–1.860
Diaphaneity	Translucent to opaque
Cleavage	Distinct on poor on
Fracture	Conchoidal to uneven
Crystal Habit：Commonly as prismatic or wedge-shaped crystals