Nephrite is a variety of jade available in green shades ranging from medium to dark and may display black inclusions. Used for centuries for its true-grit hardness and classic beauty. Major deposits are found in British Columbia, Canada. Grades vary dependent on availability of rough material. Sizes, shapes and colors may vary with handcrafted items.
Beads>Grade B>Nephrite JadeBeadsGrade BNephrite JadeGreensRound Tube8mmNaturalhttp://www.firemountaingems.com/itemdetails/h205308gsH205308GSBead, nephrite jade (natural), medium to dark, 8x6mm hand-cut drum, B grade, Mohs hardness 6 to 6-1/2. Sold per 15" to 16" strand.//image1.fmgstatic.com/images/p5308gsb.jpg42.7742.77As Low As $21.80 per strand