Mohs Hardness: 6.5 to 7 out of 10
Color: Semi-transparent to opaque, light to dark green, possibly with lighter or darker mottling. Fancy colored jadeite occurs in nearly all colors, including lavender, red, orange, yellow, brown, white, black, and gray.
RI: 1.666 to 1.680 (+/- 0.008) (1.66 spot reading common)
Birefringence: Usually not detectable
Fluorescence: Varies depending on color.
SG: 3.34 (+0.06 / -0.09)