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"Whites25x18mmOval18mmhttp://www.firemountaingems.com/itemdetails/h202890cbH202890CBCabochon, white mountain "jade" (natural), 25x18mm calibrated oval, B grade, Mohs hardness 3. Sold per pkg of 8.//image1.fmgstatic.com/images/p2890cbb(3).jpg15.6615.66As Low As $1.00 per cabochon