Nephrite is the main source of this gem; it comes in white, red & dark green, which is the most valuable type
... white ("mutton fat jade") to dark and light shades of green, gray, blue-green, ... 
filter; undyed jadeite will not show the red color of dyed jadeite or nephrite when
... [DOC] [TLE] Jade: A beautiful and durable material of nephrite or jadeite [PAR] The jadeite in these buttons was most likely mined in Burma (the Union of ... a 
wide variety of colors that include green, white, lavender, yellow, blue, black, red, 
orange, and gray.