Mountain "jade" is actually a high-grade dolomite marble from Asia. Mountain "jade" is a useful cabochon for accents and design center points where economy and top class really matter. This is the type of gemstone used by makers of fine costume jewelry.
Cabochons>Grade B>Mountain "Jade"CabochonsGrade BMountain "Jade"Whites38mmRound38mmhttp://www.firemountaingems.com/itemdetails/h202911cbH202911CBCabochon, white mountain "jade" (natural), 38mm calibrated round, B grade, Mohs hardness 3. Sold per pkg of 2.//image1.fmgstatic.com/images/p2911cbb(3).jpg11.2211.22As Low As $2.71 per cabochon