Zincite
Chemical Formula	(Zn,Mn)O
Species	Oxides & Hydroxides
Crystal System	Hexagonal
Mohs Scale	4
Specific Gravity	5.64-5.68
Color	Yellow-orange to deep red, rarely yellow, green, colorless
Streak	Yellowish orange
Luster	Sub-Adamantine
Refractive Index	n = 2.013 n = 2.029
Diaphaneity	Transparent, Translucent, Opaque
Cleavage	Perfect perfect, but difficult.
Fracture	Conchoidal
Crystal Habit：Disseminated – occurs in small, distinct particles dispersed in matrix.