Amazonite, sometimes called "Amazon stone" is known for its semi-opaque blue-green colors. Formed from a variety of microcline feldspar, amazonite can range from light green to greenish blue to deep blue-green shade. May include milky-white and tan cloudiness or streaking.
Beads>Grade B>AmazoniteBeadsGrade BAmazoniteGreensOval18mmNaturalhttp://www.firemountaingems.com/itemdetails/h201218geH201218GEBead, amazonite (natural), light to dark, 18x13mm flat oval, B grade, Mohs hardness 6 to 6-1/2. Sold per 15" to 16" strand.//image1.fmgstatic.com/images/p1218geb.jpg30.2230.22As Low As $15.43 per strand