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.
Beads>Grade C>Nephrite JadeBeadsGrade CNephrite JadeGreensBall12mmNaturalhttp://www.firemountaingems.com/itemdetails/h203727gsH203727GSBead, nephrite jade (natural), medium to dark, 12mm round, C grade, Mohs hardness 6 to 6-1/2. Sold per 16-inch strand.//image1.fmgstatic.com/images/p3727gsb(3).jpg97.1797.17As Low As $59.43 per strand