Morganite
Chemical Formula	Be3Al2(SiO3)6
Species	Silicates
Crystal System	Hexagonal
Mohs Scale	7.5-8
Specific Gravity	2.76
Color	Green, blue, yellow, colorless, pink and others
Streak	White
Luster	Vitreous to resinous
Refractive Index	nω = 1.564–1.595,nε = 1.568–1.602
Diaphaneity	Transparent to translucent
Cleavage	Imperfect on
Fracture	Conchoidal to irregular
Crystal Habit：Prismatic to tabular cystals; radial, columnar; granular to compact massive